mirror of
https://github.com/RPCS3/llvm-mirror.git
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Add basic zlib support to LLVM. This would allow to use compression/uncompression in selected LLVM tools.
llvm-svn: 180083
This commit is contained in:
Alexey Samsonov
parent
1492231ce9
commit
30f0410c39
@ -124,6 +124,8 @@ set(LLVM_TARGET_ARCH "host"
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option(LLVM_ENABLE_THREADS "Use threads if available." ON)
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option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
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if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
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set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
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endif()
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@ -302,6 +302,9 @@ ENABLE_DOXYGEN = @ENABLE_DOXYGEN@
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# Do we want to enable threads?
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ENABLE_THREADS := @LLVM_ENABLE_THREADS@
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# Do we want to enable zlib?
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ENABLE_ZLIB := @LLVM_ENABLE_ZLIB@
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# Do we want to build with position independent code?
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ENABLE_PIC := @ENABLE_PIC@
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@ -708,6 +708,21 @@ case "$enableval" in
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*) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
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esac
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dnl Allow disablement of zlib
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AC_ARG_ENABLE(zlib,
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AS_HELP_STRING([--enable-zlib],
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[Use zlib for compression/decompression if
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available (default is YES)]),,
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enableval=default)
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case "$enableval" in
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yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
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no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
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default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
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*) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
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esac
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AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
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[Define if zlib is enabled])
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dnl Allow building without position independent code
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AC_ARG_ENABLE(pic,
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AS_HELP_STRING([--enable-pic],
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@ -1368,6 +1383,11 @@ if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
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[Have pthread_getspecific]))
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fi
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dnl zlib is optional; used for compression/uncompression
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if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
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AC_CHECK_LIB(z, compress2)
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fi
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dnl Allow extra x86-disassembler library
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AC_ARG_WITH(udis86,
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AS_HELP_STRING([--with-udis86=<path>],
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@ -1502,6 +1522,13 @@ if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
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else
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AC_SUBST(HAVE_PTHREAD, 0)
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fi
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if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
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AC_CHECK_HEADERS(zlib.h,
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AC_SUBST(HAVE_LIBZ, 1),
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AC_SUBST(HAVE_LIBZ, 0))
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else
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AC_SUBST(HAVE_LIBZ, 0)
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fi
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dnl Try to find ffi.h.
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if test "$llvm_cv_enable_libffi" = "yes" ; then
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@ -79,6 +79,7 @@ check_include_file(unistd.h HAVE_UNISTD_H)
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check_include_file(utime.h HAVE_UTIME_H)
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check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H)
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check_include_file(windows.h HAVE_WINDOWS_H)
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check_include_file(zlib.h HAVE_ZLIB_H)
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check_include_file(fenv.h HAVE_FENV_H)
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check_symbol_exists(FE_ALL_EXCEPT "fenv.h" HAVE_DECL_FE_ALL_EXCEPT)
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check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT)
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@ -104,6 +105,7 @@ if( NOT PURE_WINDOWS )
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endif()
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check_library_exists(dl dlopen "" HAVE_LIBDL)
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check_library_exists(rt clock_gettime "" HAVE_LIBRT)
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check_library_exists(z compress2 "" HAVE_LIBZ)
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endif()
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# function checks
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@ -450,4 +452,11 @@ else( LLVM_ENABLE_THREADS )
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message(STATUS "Threads disabled.")
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endif()
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if (LLVM_ENABLE_ZLIB )
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# Check if zlib is available in the system.
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if ( NOT HAVE_ZLIB_H OR NOT HAVE_LIBZ )
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set(LLVM_ENABLE_ZLIB 0)
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endif()
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endif()
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set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX})
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@ -13,6 +13,9 @@ function(get_system_libs return_var)
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if( LLVM_ENABLE_THREADS AND HAVE_LIBPTHREAD )
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set(system_libs ${system_libs} pthread)
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endif()
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if ( LLVM_ENABLE_ZLIB AND HAVE_LIBZ )
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set(system_libs ${system_libs} z)
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endif()
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endif( MINGW )
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endif( NOT MSVC )
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set(${return_var} ${system_libs} PARENT_SCOPE)
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@ -22,12 +22,15 @@ set(LLVM_TOOLS_BINARY_DIR @LLVM_TOOLS_BINARY_DIR@)
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set(LLVM_ENABLE_THREADS @LLVM_ENABLE_THREADS@)
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set(LLVM_ENABLE_ZLIB @LLVM_ENABLE_ZLIB@)
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set(LLVM_NATIVE_ARCH @LLVM_NATIVE_ARCH@)
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set(LLVM_ENABLE_PIC @LLVM_ENABLE_PIC@)
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set(HAVE_LIBDL @HAVE_LIBDL@)
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set(HAVE_LIBPTHREAD @HAVE_LIBPTHREAD@)
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set(HAVE_LIBZ @HAVE_LIBZ@)
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set(LLVM_ON_UNIX @LLVM_ON_UNIX@)
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set(LLVM_ON_WIN32 @LLVM_ON_WIN32@)
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306
configure
vendored
306
configure
vendored
@ -703,6 +703,7 @@ ENABLE_DOCS
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ENABLE_DOXYGEN
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LLVM_ENABLE_THREADS
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ENABLE_PTHREADS
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LLVM_ENABLE_ZLIB
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ENABLE_PIC
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ENABLE_SHARED
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ENABLE_EMBED_STDCXX
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@ -777,6 +778,7 @@ XML2CONFIG
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LIBXML2_LIBS
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LIBXML2_INC
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HAVE_PTHREAD
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HAVE_LIBZ
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HUGE_VAL_SANITY
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MMAP_FILE
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SHLIBEXT
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@ -1426,6 +1428,8 @@ Optional Features:
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--enable-doxygen Build doxygen documentation (default is NO)
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--enable-threads Use threads if available (default is YES)
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--enable-pthreads Use pthreads if available (default is YES)
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--enable-zlib Use zlib for compression/decompression if available
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(default is YES)
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--enable-pic Build LLVM with Position Independent Code (default
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is YES)
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--enable-shared Build a shared library and link tools against it
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@ -5478,6 +5482,30 @@ echo "$as_me: error: Invalid setting for --enable-pthreads. Use \"yes\" or \"no\
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{ (exit 1); exit 1; }; } ;;
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esac
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# Check whether --enable-zlib was given.
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if test "${enable_zlib+set}" = set; then
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enableval=$enable_zlib;
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else
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enableval=default
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fi
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case "$enableval" in
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yes) LLVM_ENABLE_ZLIB=1
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;;
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no) LLVM_ENABLE_ZLIB=0
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;;
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default) LLVM_ENABLE_ZLIB=1
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;;
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*) { { echo "$as_me:$LINENO: error: Invalid setting for --enable-zlib. Use \"yes\" or \"no\"" >&5
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echo "$as_me: error: Invalid setting for --enable-zlib. Use \"yes\" or \"no\"" >&2;}
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{ (exit 1); exit 1; }; } ;;
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esac
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cat >>confdefs.h <<_ACEOF
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#define LLVM_ENABLE_ZLIB $LLVM_ENABLE_ZLIB
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_ACEOF
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# Check whether --enable-pic was given.
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if test "${enable_pic+set}" = set; then
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enableval=$enable_pic;
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@ -10498,7 +10526,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<EOF
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#line 10501 "configure"
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#line 10529 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -13441,6 +13469,96 @@ fi
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fi
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if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
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{ echo "$as_me:$LINENO: checking for compress2 in -lz" >&5
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echo $ECHO_N "checking for compress2 in -lz... $ECHO_C" >&6; }
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if test "${ac_cv_lib_z_compress2+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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ac_check_lib_save_LIBS=$LIBS
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LIBS="-lz $LIBS"
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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/* Override any GCC internal prototype to avoid an error.
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Use char because int might match the return type of a GCC
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builtin and then its argument prototype would still apply. */
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#ifdef __cplusplus
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extern "C"
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#endif
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char compress2 ();
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int
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main ()
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{
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return compress2 ();
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext conftest$ac_exeext
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if { (ac_try="$ac_link"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_link") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
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{ (case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_try") 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; } &&
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{ ac_try='test -s conftest$ac_exeext'
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{ (case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_try") 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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ac_cv_lib_z_compress2=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_cv_lib_z_compress2=no
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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LIBS=$ac_check_lib_save_LIBS
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fi
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{ echo "$as_me:$LINENO: result: $ac_cv_lib_z_compress2" >&5
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echo "${ECHO_T}$ac_cv_lib_z_compress2" >&6; }
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if test $ac_cv_lib_z_compress2 = yes; then
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cat >>confdefs.h <<_ACEOF
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#define HAVE_LIBZ 1
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_ACEOF
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LIBS="-lz $LIBS"
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fi
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fi
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# Check whether --with-udis86 was given.
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if test "${with_udis86+set}" = set; then
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@ -16294,6 +16412,184 @@ done
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else
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HAVE_PTHREAD=0
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fi
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if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
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for ac_header in zlib.h
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do
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as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
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if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
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{ echo "$as_me:$LINENO: checking for $ac_header" >&5
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echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
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if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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fi
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ac_res=`eval echo '${'$as_ac_Header'}'`
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{ echo "$as_me:$LINENO: result: $ac_res" >&5
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echo "${ECHO_T}$ac_res" >&6; }
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else
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# Is the header compilable?
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{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
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echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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$ac_includes_default
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#include <$ac_header>
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
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{ (case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_try") 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_try") 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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ac_header_compiler=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_header_compiler=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
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echo "${ECHO_T}$ac_header_compiler" >&6; }
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# Is the header present?
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{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
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echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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#include <$ac_header>
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_ACEOF
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if { (ac_try="$ac_cpp conftest.$ac_ext"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } >/dev/null; then
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if test -s conftest.err; then
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ac_cpp_err=$ac_c_preproc_warn_flag
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ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
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else
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ac_cpp_err=
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fi
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else
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ac_cpp_err=yes
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fi
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if test -z "$ac_cpp_err"; then
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ac_header_preproc=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_header_preproc=no
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fi
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rm -f conftest.err conftest.$ac_ext
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{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
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echo "${ECHO_T}$ac_header_preproc" >&6; }
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# So? What about this header?
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case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
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yes:no: )
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{ echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
|
||||
echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
|
||||
echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
|
||||
ac_header_preproc=yes
|
||||
;;
|
||||
no:yes:* )
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
|
||||
echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
|
||||
echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
|
||||
echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
|
||||
echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
|
||||
echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
|
||||
echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
|
||||
( cat <<\_ASBOX
|
||||
## ------------------------------------ ##
|
||||
## Report this to http://llvm.org/bugs/ ##
|
||||
## ------------------------------------ ##
|
||||
_ASBOX
|
||||
) | sed "s/^/$as_me: WARNING: /" >&2
|
||||
;;
|
||||
esac
|
||||
{ echo "$as_me:$LINENO: checking for $ac_header" >&5
|
||||
echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
|
||||
if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
|
||||
echo $ECHO_N "(cached) $ECHO_C" >&6
|
||||
else
|
||||
eval "$as_ac_Header=\$ac_header_preproc"
|
||||
fi
|
||||
ac_res=`eval echo '${'$as_ac_Header'}'`
|
||||
{ echo "$as_me:$LINENO: result: $ac_res" >&5
|
||||
echo "${ECHO_T}$ac_res" >&6; }
|
||||
|
||||
fi
|
||||
if test `eval echo '${'$as_ac_Header'}'` = yes; then
|
||||
cat >>confdefs.h <<_ACEOF
|
||||
#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
|
||||
_ACEOF
|
||||
HAVE_LIBZ=1
|
||||
|
||||
else
|
||||
HAVE_LIBZ=0
|
||||
|
||||
fi
|
||||
|
||||
done
|
||||
|
||||
else
|
||||
HAVE_LIBZ=0
|
||||
|
||||
fi
|
||||
|
||||
if test "$llvm_cv_enable_libffi" = "yes" ; then
|
||||
@ -22692,6 +22988,7 @@ ENABLE_DOCS!$ENABLE_DOCS$ac_delim
|
||||
ENABLE_DOXYGEN!$ENABLE_DOXYGEN$ac_delim
|
||||
LLVM_ENABLE_THREADS!$LLVM_ENABLE_THREADS$ac_delim
|
||||
ENABLE_PTHREADS!$ENABLE_PTHREADS$ac_delim
|
||||
LLVM_ENABLE_ZLIB!$LLVM_ENABLE_ZLIB$ac_delim
|
||||
ENABLE_PIC!$ENABLE_PIC$ac_delim
|
||||
ENABLE_SHARED!$ENABLE_SHARED$ac_delim
|
||||
ENABLE_EMBED_STDCXX!$ENABLE_EMBED_STDCXX$ac_delim
|
||||
@ -22766,6 +23063,7 @@ XML2CONFIG!$XML2CONFIG$ac_delim
|
||||
LIBXML2_LIBS!$LIBXML2_LIBS$ac_delim
|
||||
LIBXML2_INC!$LIBXML2_INC$ac_delim
|
||||
HAVE_PTHREAD!$HAVE_PTHREAD$ac_delim
|
||||
HAVE_LIBZ!$HAVE_LIBZ$ac_delim
|
||||
HUGE_VAL_SANITY!$HUGE_VAL_SANITY$ac_delim
|
||||
MMAP_FILE!$MMAP_FILE$ac_delim
|
||||
SHLIBEXT!$SHLIBEXT$ac_delim
|
||||
@ -22783,8 +23081,6 @@ LLVM_CONFIGTIME!$LLVM_CONFIGTIME$ac_delim
|
||||
BINDINGS_TO_BUILD!$BINDINGS_TO_BUILD$ac_delim
|
||||
ALL_BINDINGS!$ALL_BINDINGS$ac_delim
|
||||
OCAML_LIBDIR!$OCAML_LIBDIR$ac_delim
|
||||
ENABLE_VISIBILITY_INLINES_HIDDEN!$ENABLE_VISIBILITY_INLINES_HIDDEN$ac_delim
|
||||
RPATH!$RPATH$ac_delim
|
||||
_ACEOF
|
||||
|
||||
if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
|
||||
@ -22826,13 +23122,15 @@ _ACEOF
|
||||
ac_delim='%!_!# '
|
||||
for ac_last_try in false false false false false :; do
|
||||
cat >conf$$subs.sed <<_ACEOF
|
||||
ENABLE_VISIBILITY_INLINES_HIDDEN!$ENABLE_VISIBILITY_INLINES_HIDDEN$ac_delim
|
||||
RPATH!$RPATH$ac_delim
|
||||
RDYNAMIC!$RDYNAMIC$ac_delim
|
||||
program_prefix!$program_prefix$ac_delim
|
||||
LIBOBJS!$LIBOBJS$ac_delim
|
||||
LTLIBOBJS!$LTLIBOBJS$ac_delim
|
||||
_ACEOF
|
||||
|
||||
if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 4; then
|
||||
if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 6; then
|
||||
break
|
||||
elif $ac_last_try; then
|
||||
{ { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
|
||||
|
||||
@ -271,6 +271,10 @@ LLVM-specific variables
|
||||
**LLVM_USE_INTEL_JITEVENTS**:BOOL
|
||||
Enable building support for Intel JIT Events API. Defaults to OFF
|
||||
|
||||
**LLVM_ENABLE_ZLIB**:BOOL
|
||||
Build with zlib to support compression/uncompression in LLVM tools.
|
||||
Defaults to ON.
|
||||
|
||||
Executing the test suite
|
||||
========================
|
||||
|
||||
|
||||
@ -229,6 +229,8 @@ uses the package and provides other details.
|
||||
+--------------------------------------------------------------+-----------------+---------------------------------------------+
|
||||
| `libtool <http://savannah.gnu.org/projects/libtool>`_ | 1.5.22 | Shared library manager\ :sup:`4` |
|
||||
+--------------------------------------------------------------+-----------------+---------------------------------------------+
|
||||
| `zlib <http://zlib.net>`_ | >=1.2.3.4 | Compression library\ :sup:`5` |
|
||||
+--------------------------------------------------------------+-----------------+---------------------------------------------+
|
||||
|
||||
.. note::
|
||||
|
||||
@ -243,6 +245,8 @@ uses the package and provides other details.
|
||||
#. If you want to make changes to the configure scripts, you will need GNU
|
||||
autoconf (2.60), and consequently, GNU M4 (version 1.4 or higher). You
|
||||
will also need automake (1.9.6). We only use aclocal from that package.
|
||||
#. Optional, adds compression/uncompression capabilities to selected LLVM
|
||||
tools.
|
||||
|
||||
Additionally, your compilation host is expected to have the usual plethora of
|
||||
Unix utilities. Specifically:
|
||||
|
||||
@ -498,6 +498,9 @@
|
||||
/* Define if the xdot.py program is available */
|
||||
#cmakedefine HAVE_XDOT_PY ${HAVE_XDOT_PY}
|
||||
|
||||
/* Define to 1 if you have the <zlib.h> header file. */
|
||||
#cmakedefine HAVE_ZLIB_H ${HAVE_ZLIB_H}
|
||||
|
||||
/* Have host's _alloca */
|
||||
#cmakedefine HAVE__ALLOCA ${HAVE__ALLOCA}
|
||||
|
||||
@ -570,6 +573,9 @@
|
||||
/* Define if threads enabled */
|
||||
#cmakedefine01 LLVM_ENABLE_THREADS
|
||||
|
||||
/* Define if zlib compression is available */
|
||||
#cmakedefine01 LLVM_ENABLE_ZLIB
|
||||
|
||||
/* Installation directory for config files */
|
||||
#cmakedefine LLVM_ETCDIR "${LLVM_ETCDIR}"
|
||||
|
||||
|
||||
@ -226,6 +226,9 @@
|
||||
/* Define to 1 if you have the `udis86' library (-ludis86). */
|
||||
#undef HAVE_LIBUDIS86
|
||||
|
||||
/* Define to 1 if you have the `z' library (-lz). */
|
||||
#undef HAVE_LIBZ
|
||||
|
||||
/* Define to 1 if you have the <limits.h> header file. */
|
||||
#undef HAVE_LIMITS_H
|
||||
|
||||
@ -503,6 +506,9 @@
|
||||
/* Define if the xdot.py program is available */
|
||||
#undef HAVE_XDOT_PY
|
||||
|
||||
/* Define to 1 if you have the <zlib.h> header file. */
|
||||
#undef HAVE_ZLIB_H
|
||||
|
||||
/* Have host's _alloca */
|
||||
#undef HAVE__ALLOCA
|
||||
|
||||
@ -575,6 +581,9 @@
|
||||
/* Define if threads enabled */
|
||||
#undef LLVM_ENABLE_THREADS
|
||||
|
||||
/* Define if zlib is enabled */
|
||||
#undef LLVM_ENABLE_ZLIB
|
||||
|
||||
/* Installation directory for config files */
|
||||
#undef LLVM_ETCDIR
|
||||
|
||||
|
||||
58
include/llvm/Support/Compression.h
Normal file
58
include/llvm/Support/Compression.h
Normal file
@ -0,0 +1,58 @@
|
||||
//===-- llvm/Support/Compression.h ---Compression----------------*- C++ -*-===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// This file contains basic functions for compression/uncompression.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#ifndef LLVM_SUPPORT_COMPRESSION_H
|
||||
#define LLVM_SUPPORT_COMPRESSION_H
|
||||
|
||||
#include "llvm/Support/DataTypes.h"
|
||||
|
||||
namespace llvm {
|
||||
|
||||
class MemoryBuffer;
|
||||
template<typename T> class OwningPtr;
|
||||
class StringRef;
|
||||
|
||||
namespace zlib {
|
||||
|
||||
enum CompressionLevel {
|
||||
NoCompression,
|
||||
DefaultCompression,
|
||||
BestSpeedCompression,
|
||||
BestSizeCompression
|
||||
};
|
||||
|
||||
enum Status {
|
||||
StatusOK,
|
||||
StatusUnsupported, // zlib is unavaliable
|
||||
StatusOutOfMemory, // there was not enough memory
|
||||
StatusBufferTooShort, // there was not enough room in the output buffer
|
||||
StatusInvalidArg, // invalid input parameter
|
||||
StatusInvalidData // data was corrupted or incomplete
|
||||
};
|
||||
|
||||
bool isAvailable();
|
||||
|
||||
Status compress(StringRef InputBuffer,
|
||||
OwningPtr<MemoryBuffer> &CompressedBuffer,
|
||||
CompressionLevel Level = DefaultCompression);
|
||||
|
||||
Status uncompress(StringRef InputBuffer,
|
||||
OwningPtr<MemoryBuffer> &UncompressedBuffer,
|
||||
size_t UncompressedSize);
|
||||
|
||||
} // End of namespace zlib
|
||||
|
||||
} // End of namespace llvm
|
||||
|
||||
#endif
|
||||
|
||||
@ -7,6 +7,7 @@ add_llvm_library(LLVMSupport
|
||||
BranchProbability.cpp
|
||||
circular_raw_ostream.cpp
|
||||
CommandLine.cpp
|
||||
Compression.cpp
|
||||
ConstantRange.cpp
|
||||
ConvertUTF.c
|
||||
ConvertUTFWrapper.cpp
|
||||
|
||||
89
lib/Support/Compression.cpp
Normal file
89
lib/Support/Compression.cpp
Normal file
@ -0,0 +1,89 @@
|
||||
//===--- Compression.cpp - Compression implementation ---------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// This file implements compression functions.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include "llvm/Support/Compression.h"
|
||||
#include "llvm/ADT/OwningPtr.h"
|
||||
#include "llvm/ADT/StringRef.h"
|
||||
#include "llvm/Config/config.h"
|
||||
#include "llvm/Support/ErrorHandling.h"
|
||||
#include "llvm/Support/MemoryBuffer.h"
|
||||
#if LLVM_ENABLE_ZLIB == 1 && HAVE_ZLIB_H
|
||||
#include <zlib.h>
|
||||
#endif
|
||||
|
||||
using namespace llvm;
|
||||
|
||||
#if LLVM_ENABLE_ZLIB == 1
|
||||
static int encodeZlibCompressionLevel(zlib::CompressionLevel Level) {
|
||||
switch (Level) {
|
||||
case zlib::NoCompression: return 0;
|
||||
case zlib::BestSpeedCompression: return 1;
|
||||
case zlib::DefaultCompression: return Z_DEFAULT_COMPRESSION;
|
||||
case zlib::BestSizeCompression: return 9;
|
||||
}
|
||||
}
|
||||
|
||||
static zlib::Status encodeZlibReturnValue(int ReturnValue) {
|
||||
switch (ReturnValue) {
|
||||
case Z_OK: return zlib::StatusOK;
|
||||
case Z_MEM_ERROR: return zlib::StatusOutOfMemory;
|
||||
case Z_BUF_ERROR: return zlib::StatusBufferTooShort;
|
||||
case Z_STREAM_ERROR: return zlib::StatusInvalidArg;
|
||||
case Z_DATA_ERROR: return zlib::StatusInvalidData;
|
||||
default: llvm_unreachable("unknown zlib return status!");
|
||||
}
|
||||
}
|
||||
|
||||
bool zlib::isAvailable() { return true; }
|
||||
zlib::Status zlib::compress(StringRef InputBuffer,
|
||||
OwningPtr<MemoryBuffer> &CompressedBuffer,
|
||||
CompressionLevel Level) {
|
||||
unsigned long CompressedSize = ::compressBound(InputBuffer.size());
|
||||
OwningArrayPtr<char> TmpBuffer(new char[CompressedSize]);
|
||||
int CLevel = encodeZlibCompressionLevel(Level);
|
||||
Status Res = encodeZlibReturnValue(::compress2(
|
||||
(Bytef *)TmpBuffer.get(), &CompressedSize,
|
||||
(const Bytef *)InputBuffer.data(), InputBuffer.size(), CLevel));
|
||||
if (Res == StatusOK)
|
||||
CompressedBuffer.reset(MemoryBuffer::getMemBufferCopy(
|
||||
StringRef(TmpBuffer.get(), CompressedSize)));
|
||||
return Res;
|
||||
}
|
||||
|
||||
zlib::Status zlib::uncompress(StringRef InputBuffer,
|
||||
OwningPtr<MemoryBuffer> &UncompressedBuffer,
|
||||
size_t UncompressedSize) {
|
||||
OwningArrayPtr<char> TmpBuffer(new char[UncompressedSize]);
|
||||
Status Res = encodeZlibReturnValue(
|
||||
::uncompress((Bytef *)TmpBuffer.get(), (uLongf *)&UncompressedSize,
|
||||
(const Bytef *)InputBuffer.data(), InputBuffer.size()));
|
||||
if (Res == StatusOK)
|
||||
UncompressedBuffer.reset(MemoryBuffer::getMemBufferCopy(
|
||||
StringRef(TmpBuffer.get(), UncompressedSize)));
|
||||
return Res;
|
||||
}
|
||||
|
||||
#else
|
||||
bool zlib::isAvailable() { return false; }
|
||||
zlib::Status zlib::compress(StringRef InputBuffer,
|
||||
OwningPtr<MemoryBuffer> &CompressedBuffer,
|
||||
CompressionLevel Level) {
|
||||
return zlib::StatusUnsupported;
|
||||
}
|
||||
zlib::Status zlib::uncompress(StringRef InputBuffer,
|
||||
OwningPtr<MemoryBuffer> &UncompressedBuffer,
|
||||
size_t UncompressedSize) {
|
||||
return zlib::StatusUnsupported;
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -10,6 +10,7 @@ add_llvm_unittest(SupportTests
|
||||
BlockFrequencyTest.cpp
|
||||
Casting.cpp
|
||||
CommandLineTest.cpp
|
||||
CompressionTest.cpp
|
||||
ConstantRangeTest.cpp
|
||||
DataExtractorTest.cpp
|
||||
EndianTest.cpp
|
||||
|
||||
68
unittests/Support/CompressionTest.cpp
Normal file
68
unittests/Support/CompressionTest.cpp
Normal file
@ -0,0 +1,68 @@
|
||||
//===- llvm/unittest/Support/CompressionTest.cpp - Compression tests ------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// This file implements unit tests for the Compression functions.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include "llvm/Support/Compression.h"
|
||||
#include "llvm/ADT/OwningPtr.h"
|
||||
#include "llvm/ADT/StringRef.h"
|
||||
#include "llvm/Config/config.h"
|
||||
#include "llvm/Support/MemoryBuffer.h"
|
||||
#include "gtest/gtest.h"
|
||||
|
||||
using namespace llvm;
|
||||
|
||||
namespace {
|
||||
|
||||
#if LLVM_ENABLE_ZLIB == 1
|
||||
|
||||
void TestZlibCompression(StringRef Input, zlib::CompressionLevel Level) {
|
||||
OwningPtr<MemoryBuffer> Compressed;
|
||||
OwningPtr<MemoryBuffer> Uncompressed;
|
||||
EXPECT_EQ(zlib::StatusOK, zlib::compress(Input, Compressed, Level));
|
||||
// Check that uncompressed buffer is the same as original.
|
||||
EXPECT_EQ(zlib::StatusOK, zlib::uncompress(Compressed->getBuffer(),
|
||||
Uncompressed, Input.size()));
|
||||
EXPECT_EQ(Input.size(), Uncompressed->getBufferSize());
|
||||
EXPECT_EQ(0,
|
||||
memcmp(Input.data(), Uncompressed->getBufferStart(), Input.size()));
|
||||
if (Input.size() > 0) {
|
||||
// Uncompression fails if expected length is too short.
|
||||
EXPECT_EQ(zlib::StatusBufferTooShort,
|
||||
zlib::uncompress(Compressed->getBuffer(), Uncompressed,
|
||||
Input.size() - 1));
|
||||
}
|
||||
}
|
||||
|
||||
TEST(CompressionTest, Zlib) {
|
||||
TestZlibCompression("", zlib::DefaultCompression);
|
||||
|
||||
TestZlibCompression("hello, world!", zlib::NoCompression);
|
||||
TestZlibCompression("hello, world!", zlib::BestSizeCompression);
|
||||
TestZlibCompression("hello, world!", zlib::BestSpeedCompression);
|
||||
TestZlibCompression("hello, world!", zlib::DefaultCompression);
|
||||
|
||||
const size_t kSize = 1024;
|
||||
char BinaryData[kSize];
|
||||
for (size_t i = 0; i < kSize; ++i) {
|
||||
BinaryData[i] = i & 255;
|
||||
}
|
||||
StringRef BinaryDataStr(BinaryData, kSize);
|
||||
|
||||
TestZlibCompression(BinaryDataStr, zlib::NoCompression);
|
||||
TestZlibCompression(BinaryDataStr, zlib::BestSizeCompression);
|
||||
TestZlibCompression(BinaryDataStr, zlib::BestSpeedCompression);
|
||||
TestZlibCompression(BinaryDataStr, zlib::DefaultCompression);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user