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Fix compilation of build/*.o when using C++. 

Found this while testing the C++ conversion for vec.[ch] on the
cxx-conversion branch.  We do not build the build/*.o files with g++,
so I was getting lots of syntax errors while compiling build/vec.o.

2012-05-31   Diego Novillo  <dnovillo@google.com>

       * configure.ac (CXX_FOR_BUILD): Define and substitute.
       (BUILD_CXXFLAGS): Define and substitute.
       * Makefile.in (BUILD_CXXFLAGS): Define.
       (CXX_FOR_BUILD): Define.
       (COMPILER_FOR_BUILD): Set to CXX_FOR_BUILD if building with C++.
       (LINKER_FOR_BUILD): Likewise.
       (BUILD_COMPILERFLAGS): Set to BUILD_CXXFLAGS if building with C++.
       (BUILD_LINKERFLAGS): Likewise.
       * configure: Regenerate.

From-SVN: r188069
This commit is contained in:
Diego Novillo 2012-05-31 13:25:41 -04:00 committed by Diego Novillo
parent 6f4185d786
commit bdd5dc28aa
4 changed files with 32 additions and 2 deletions
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12
gcc/ChangeLog
View File

@ -1,3 +1,15 @@
2012-05-31 Diego Novillo <dnovillo@google.com>
* configure.ac (CXX_FOR_BUILD): Define and substitute.
(BUILD_CXXFLAGS): Define and substitute.
* Makefile.in (BUILD_CXXFLAGS): Define.
(CXX_FOR_BUILD): Define.
(COMPILER_FOR_BUILD): Set to CXX_FOR_BUILD if building with C++.
(LINKER_FOR_BUILD): Likewise.
(BUILD_COMPILERFLAGS): Set to BUILD_CXXFLAGS if building with C++.
(BUILD_LINKERFLAGS): Likewise.
* configure: Regenerate.
2012-05-31 Steven Bosscher <steven@gcc.gnu.org>
* Makefile.in: Fix many dependencies.

12
gcc/Makefile.in
View File

@ -728,15 +728,27 @@ DIR = ../gcc
# Native compiler for the build machine and its switches.
CC_FOR_BUILD = @CC_FOR_BUILD@
CXX_FOR_BUILD = @CXX_FOR_BUILD@
BUILD_CFLAGS= @BUILD_CFLAGS@ -DGENERATOR_FILE
BUILD_CXXFLAGS = @BUILD_CXXFLAGS@ -DGENERATOR_FILE
# Native compiler that we use. This may be C++ some day.
ifneq ($(ENABLE_BUILD_WITH_CXX),yes)
COMPILER_FOR_BUILD = $(CC_FOR_BUILD)
BUILD_COMPILERFLAGS = $(BUILD_CFLAGS)
else
COMPILER_FOR_BUILD = $(CXX_FOR_BUILD)
BUILD_COMPILERFLAGS = $(BUILD_CXXFLAGS)
endif
# Native linker that we use.
ifneq ($(ENABLE_BUILD_WITH_CXX),yes)
LINKER_FOR_BUILD = $(CC_FOR_BUILD)
BUILD_LINKERFLAGS = $(BUILD_CFLAGS)
else
LINKER_FOR_BUILD = $(CXX_FOR_BUILD)
BUILD_LINKERFLAGS = $(BUILD_CXXFLAGS)
endif
# Native linker and preprocessor flags. For x-fragment overrides.
BUILD_LDFLAGS=@BUILD_LDFLAGS@

8
gcc/configure vendored
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@ -703,7 +703,9 @@ LIBTOOL
collect2
STMP_FIXINC
BUILD_LDFLAGS
BUILD_CXXFLAGS
BUILD_CFLAGS
CXX_FOR_BUILD
CC_FOR_BUILD
inhibit_libc
SYSTEM_HEADER_DIR
@ -11835,7 +11837,9 @@ fi
# These are the normal (build=host) settings:
CC_FOR_BUILD='$(CC)'
CXX_FOR_BUILD='$(CXX)'
BUILD_CFLAGS='$(ALL_CFLAGS)'
BUILD_CXXFLAGS='$(ALL_CXXFLAGS)'
BUILD_LDFLAGS='$(LDFLAGS)'
STMP_FIXINC=stmp-fixinc
@ -17967,7 +17971,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 17970 "configure"
#line 17974 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -18073,7 +18077,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 18076 "configure"
#line 18080 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H

2
gcc/configure.ac
View File

@ -1848,7 +1848,9 @@ AC_SUBST(inhibit_libc)
# These are the normal (build=host) settings:
CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD)
CXX_FOR_BUILD='$(CXX)' AC_SUBST(CXX_FOR_BUILD)
BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
BUILD_CXXFLAGS='$(ALL_CXXFLAGS)' AC_SUBST(BUILD_CXXFLAGS)
BUILD_LDFLAGS='$(LDFLAGS)' AC_SUBST(BUILD_LDFLAGS)
STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)