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https://github.com/RPCSX/llvm.git
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Added a macro and code that checks for the %a format string in sprintf().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9089 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
John Criswell
parent
b5ca43e000
commit
a0137d3d82
29
autoconf/aclocal.m4
vendored
29
autoconf/aclocal.m4
vendored
@ -6166,4 +6166,33 @@ AC_DEFUN([AC_CONFIG_MAKEFILE],
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[AC_CONFIG_COMMANDS($1,${SHELL} ${srcdir}/autoconf/install-sh -c ${srcdir}/$1 $1,${srcdir}/autoconf/mkinstalldirs `dirname $1`)
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])
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#
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# Determine if the printf() functions have the %a format character.
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# This is modified from:
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# http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_have_ext_slist.html
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AC_DEFUN([AC_C_PRINTF_A],
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[
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AC_LANG_SAVE
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AC_LANG_C
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AC_RUN_IFELSE(
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AC_LANG_PROGRAM([#include <stdio.h>
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#include <stdlib.h>],
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[[[
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volatile double A, B;
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char Buffer[100];
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A = 1;
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A /= 10.0;
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sprintf(Buffer, "%a", A);
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B = atof(Buffer);
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if (A != B)
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return (1);
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if (A != 0x1.999999999999ap-4)
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return (1);
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return (0);]]]),
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ac_c_printf_a=yes,ac_c_printf_a=no)
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AC_LANG_RESTORE
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if test "$ac_c_printf_a" = "yes"; then
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AC_DEFINE([HAVE_PRINTF_A],[1],[Define to have the %a format string])
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fi
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])
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@ -455,6 +455,9 @@ AC_CHECK_TYPES([uint64_t],,AC_MSG_ERROR([Type uint64_t required but not found]))
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AC_HEADER_TIME
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AC_STRUCT_TM
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dnl Check for various C features
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AC_C_PRINTF_A
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dnl Check for C++ extensions
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AC_CXX_HAVE_EXT_HASH_MAP
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AC_CXX_HAVE_EXT_HASH_SET
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151
configure
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151
configure
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@ -20702,6 +20702,87 @@ _ACEOF
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fi
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ac_ext=c
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ac_cpp='$CPP $CPPFLAGS'
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ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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ac_compiler_gnu=$ac_cv_c_compiler_gnu
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if test "$cross_compiling" = yes; then
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{ { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
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See \`config.log' for more details." >&5
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echo "$as_me: error: cannot run test program while cross compiling
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See \`config.log' for more details." >&2;}
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{ (exit 1); exit 1; }; }
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else
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cat >conftest.$ac_ext <<_ACEOF
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#line $LINENO "configure"
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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#include <stdio.h>
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#include <stdlib.h>
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int
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main ()
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{
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volatile double A, B;
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char Buffer[100];
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A = 1;
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A /= 10.0;
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sprintf(Buffer, "%a", A);
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B = atof(Buffer);
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if (A != B)
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return (1);
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if (A != 0x1.999999999999ap-4)
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return (1);
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return (0);
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;
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return 0;
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}
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_ACEOF
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rm -f conftest$ac_exeext
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if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
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(eval $ac_link) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && { ac_try='./conftest$ac_exeext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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 $ac_status); }; }; then
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ac_c_printf_a=yes
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else
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echo "$as_me: program exited with status $ac_status" >&5
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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( exit $ac_status )
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ac_c_printf_a=no
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fi
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rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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fi
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ac_ext=c
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ac_cpp='$CPP $CPPFLAGS'
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ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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ac_compiler_gnu=$ac_cv_c_compiler_gnu
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if test "$ac_c_printf_a" = "yes"; then
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cat >>confdefs.h <<\_ACEOF
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#define HAVE_PRINTF_A 1
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_ACEOF
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fi
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echo "$as_me:$LINENO: checking whether the compiler implements namespaces" >&5
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echo $ECHO_N "checking whether the compiler implements namespaces... $ECHO_C" >&6
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if test "${ac_cv_cxx_namespaces+set}" = set; then
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@ -22420,8 +22501,7 @@ _ACEOF
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for ac_func in getcwd gettimeofday strcspn strdup strerror strspn strstr strtod strtol strtoq strtoll strsignal
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for ac_func in getcwd gettimeofday strcspn strdup strerror strspn strstr strtod strtol strtoq strtoll
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do
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as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
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echo "$as_me:$LINENO: checking for $ac_func" >&5
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@ -22504,73 +22584,6 @@ _ACEOF
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fi
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done
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echo "$as_me:$LINENO: checking whether sys_siglist is declared" >&5
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echo $ECHO_N "checking whether sys_siglist is declared... $ECHO_C" >&6
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if test "${ac_cv_have_decl_sys_siglist+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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cat >conftest.$ac_ext <<_ACEOF
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#line $LINENO "configure"
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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#if HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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int
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main ()
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{
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#ifndef sys_siglist
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char *p = (char *) sys_siglist;
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#endif
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>&5
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ac_status=$?
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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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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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 $ac_status); }; }; then
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ac_cv_have_decl_sys_siglist=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_cv_have_decl_sys_siglist=no
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fi
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rm -f conftest.$ac_objext conftest.$ac_ext
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fi
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echo "$as_me:$LINENO: result: $ac_cv_have_decl_sys_siglist" >&5
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echo "${ECHO_T}$ac_cv_have_decl_sys_siglist" >&6
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if test $ac_cv_have_decl_sys_siglist = yes; then
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cat >>confdefs.h <<_ACEOF
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#define HAVE_DECL_SYS_SIGLIST 1
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_ACEOF
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else
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cat >>confdefs.h <<_ACEOF
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#define HAVE_DECL_SYS_SIGLIST 0
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_ACEOF
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fi
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echo "$as_me:$LINENO: checking for mmap" >&5
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@ -226,3 +226,6 @@
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/* Define to `unsigned' if <sys/types.h> does not define. */
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#undef size_t
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/* Define to have the %a format string in printf() */
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#undef HAVE_PRINTF_A
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@ -226,3 +226,6 @@
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/* Define to `unsigned' if <sys/types.h> does not define. */
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#undef size_t
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/* Define to have the %a format string in printf() */
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#undef HAVE_PRINTF_A
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