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| author | Joern Rennecke <joern.rennecke@embecosm.com> | 2010-06-09 10:32:23 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2010-06-09 11:32:23 +0100 |
| commit | ff5dfc4869aad7bedad9e749e6eed7d5f783b970 (patch) | |
| tree | 2e4596e9549c064794426f4a44005559b7d52198 /libcpp/configure | |
| parent | 07b7ede0bfdf1943af80159912cbf80e691e62eb (diff) | |
| download | gcc-ff5dfc4869aad7bedad9e749e6eed7d5f783b970.zip gcc-ff5dfc4869aad7bedad9e749e6eed7d5f783b970.tar.gz gcc-ff5dfc4869aad7bedad9e749e6eed7d5f783b970.tar.bz2 | |
re PR bootstrap/44432 ([boot with C++] configure does not check presence of host C++ compiler)
PR bootstrap/44432
* configure.ac: Before using ZW_PROG_COMPILER_DEPENDENCIES for C++,
check that C++ compiler works.
* configure: Regenerate.
From-SVN: r160460
Diffstat (limited to 'libcpp/configure')
| -rwxr-xr-x | libcpp/configure | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/libcpp/configure b/libcpp/configure index cf17de4..a4700e6 100755 --- a/libcpp/configure +++ b/libcpp/configure @@ -4400,6 +4400,29 @@ else CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type fi else +ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int i; +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + +else + as_fn_error "C++ compiler missing or inoperational" "$LINENO" 5 +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + depcc="$CXX" am_compiler_list= am_depcomp=$ac_aux_dir/depcomp @@ -4997,8 +5020,7 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_cxx_compiler_gnu - -ac_ext=cpp + ac_ext=cpp ac_cpp='$CXXCPP $CPPFLAGS' ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' |