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The build system is currently miss-identifying GNU/kFreeBSD as FreeBSD.

Browse Source 
This kind of simplification is sometimes useful, but in general it's not correct. 

As GNU/kFreeBSD is an hybrid system, for kernel-related issues we want to match the
build definitions used for FreeBSD, whereas for userland-related issues we want to
match the definitions used for other systems with Glibc.

The current modification adjusts the build system so that they can be distinguished,
and explicitly adds GNU/kFreeBSD to the build checks in which it belongs.

Fixes bug #16444.

Patch by Robert Millan in the context of Debian.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185311 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sylvestre Ledru 2013-07-01 08:07:52 +00:00
parent c14380d195
commit ba62f2f1bf
5 changed files with 27 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Makefile.rules
View File

@ -275,10 +275,12 @@ ifeq ($(ENABLE_OPTIMIZED),1)
BuildMode := Release
# Don't use -fomit-frame-pointer on Darwin or FreeBSD.
ifneq ($(HOST_OS),FreeBSD)
ifneq ($(HOST_OS),GNU/kFreeBSD)
ifneq ($(HOST_OS),Darwin)
OmitFramePointer := -fomit-frame-pointer
endif
endif
endif
CXX.Flags += $(OPTIMIZE_OPTION) $(OmitFramePointer)
C.Flags += $(OPTIMIZE_OPTION) $(OmitFramePointer)
@ -1451,7 +1453,7 @@ LD.Flags += -Wl,-exported_symbol,_main
endif
endif
ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux NetBSD FreeBSD GNU))
ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux NetBSD FreeBSD GNU/kFreeBSD GNU))
ifneq ($(ARCH), Mips)
LD.Flags += -Wl,--version-script=$(LLVM_SRC_ROOT)/autoconf/ExportMap.map
endif

11
autoconf/configure.ac
View File

@ -222,11 +222,16 @@ AC_CACHE_CHECK([type of operating system we're going to host on],
llvm_cv_no_link_all_option="-Wl,-noall_load"
llvm_cv_os_type="Minix"
llvm_cv_platform_type="Unix" ;;
*-*-freebsd* | *-*-kfreebsd-gnu)
*-*-freebsd*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="FreeBSD"
llvm_cv_platform_type="Unix" ;;
*-*-kfreebsd-gnu)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="GNU/kFreeBSD"
llvm_cv_platform_type="Unix" ;;
*-*-openbsd*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
@ -317,8 +322,10 @@ AC_CACHE_CHECK([type of operating system we're going to target],
llvm_cv_target_os_type="Darwin" ;;
*-*-minix*)
llvm_cv_target_os_type="Minix" ;;
*-*-freebsd* | *-*-kfreebsd-gnu)
*-*-freebsd*)
llvm_cv_target_os_type="FreeBSD" ;;
*-*-kfreebsd-gnu)
llvm_cv_target_os_type="GNU/kFreeBSD" ;;
*-*-openbsd*)
llvm_cv_target_os_type="OpenBSD" ;;
*-*-netbsd*)

11
configure vendored
View File

@ -3826,11 +3826,16 @@ else
llvm_cv_no_link_all_option="-Wl,-noall_load"
llvm_cv_os_type="Minix"
llvm_cv_platform_type="Unix" ;;
*-*-freebsd* | *-*-kfreebsd-gnu)
*-*-freebsd*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="FreeBSD"
llvm_cv_platform_type="Unix" ;;
*-*-kfreebsd-gnu)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="GNU/kFreeBSD"
llvm_cv_platform_type="Unix" ;;
*-*-openbsd*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
@ -3927,8 +3932,10 @@ else
llvm_cv_target_os_type="Darwin" ;;
*-*-minix*)
llvm_cv_target_os_type="Minix" ;;
*-*-freebsd* | *-*-kfreebsd-gnu)
*-*-freebsd*)
llvm_cv_target_os_type="FreeBSD" ;;
*-*-kfreebsd-gnu)
llvm_cv_target_os_type="GNU/kFreeBSD" ;;
*-*-openbsd*)
llvm_cv_target_os_type="OpenBSD" ;;
*-*-netbsd*)

4
projects/sample/Makefile.llvm.rules
View File

@ -208,10 +208,12 @@ ifeq ($(ENABLE_OPTIMIZED),1)
BuildMode := Release
# Don't use -fomit-frame-pointer on Darwin or FreeBSD.
ifneq ($(HOST_OS),FreeBSD)
ifneq ($(HOST_OS),GNU/kFreeBSD)
ifneq ($(HOST_OS),Darwin)
OmitFramePointer := -fomit-frame-pointer
endif
endif
endif
# Darwin requires -fstrict-aliasing to be explicitly enabled.
# Avoid -fstrict-aliasing on Darwin for now, there are unresolved issues
@ -1372,7 +1374,7 @@ LD.Flags += -Wl,-exported_symbol,_main
endif
endif
ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux NetBSD FreeBSD))
ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux NetBSD FreeBSD GNU/kFreeBSD))
ifneq ($(ARCH), Mips)
LD.Flags += -Wl,--version-script=$(PROJ_SRC_ROOT)/autoconf/ExportMap.map
endif

6
tools/llvm-shlib/Makefile
View File

@ -62,18 +62,18 @@ ifeq ($(HOST_OS),Darwin)
endif
endif
ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux FreeBSD OpenBSD GNU Bitrig))
ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux FreeBSD GNU/kFreeBSD OpenBSD GNU Bitrig))
# Include everything from the .a's into the shared library.
LLVMLibsOptions := -Wl,--whole-archive $(LLVMLibsOptions) \
-Wl,--no-whole-archive
endif
ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux FreeBSD GNU))
ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux FreeBSD GNU/kFreeBSD GNU))
# Add soname to the library.
LLVMLibsOptions += -Wl,--soname,lib$(LIBRARYNAME)$(SHLIBEXT)
endif
ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux GNU))
ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux GNU GNU/kFreeBSD))
# Don't allow unresolved symbols.
LLVMLibsOptions += -Wl,--no-undefined
endif