diff options
| author | amylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-06-09 10:32:23 +0000 |
|---|---|---|
| committer | amylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-06-09 10:32:23 +0000 |
| commit | 9d135bb6fd95b12a9e1a076a48cc2b4c0a5a2c2e (patch) | |
| tree | 2e4596e9549c064794426f4a44005559b7d52198 /libcpp | |
| parent | 9e0a5037e5ef6125706bad548d0d5def983abb22 (diff) | |
| download | gcc-9d135bb6fd95b12a9e1a076a48cc2b4c0a5a2c2e.tar.gz | |
PR bootstrap/44432
* configure.ac: Before using ZW_PROG_COMPILER_DEPENDENCIES for C++,
check that C++ compiler works.
* configure: Regenerate.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160460 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libcpp')
| -rw-r--r-- | libcpp/ChangeLog | 7 | ||||
| -rwxr-xr-x | libcpp/configure | 26 | ||||
| -rw-r--r-- | libcpp/configure.ac | 4 |
3 files changed, 35 insertions, 2 deletions
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog index 84201a4a510..d6d9b6cf7c2 100644 --- a/libcpp/ChangeLog +++ b/libcpp/ChangeLog @@ -1,3 +1,10 @@ +2010-06-09 Joern Rennecke <joern.rennecke@embecosm.com> + + PR bootstrap/44432 + * configure.ac: Before using ZW_PROG_COMPILER_DEPENDENCIES for C++, + check that C++ compiler works. + * configure: Regenerate. + 2010-06-08 Laurynas Biveinis <laurynas.biveinis@gmail.com> * include/symtab.h (ht_identifier_ptr): New. diff --git a/libcpp/configure b/libcpp/configure index cf17de447f2..a4700e63a92 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 $LIBS >&5' diff --git a/libcpp/configure.ac b/libcpp/configure.ac index 9dcec239bc1..ceea29ce165 100644 --- a/libcpp/configure.ac +++ b/libcpp/configure.ac @@ -45,6 +45,10 @@ ZW_CREATE_DEPDIR if test "$ENABLE_BUILD_WITH_CXX" = "no"; then ZW_PROG_COMPILER_DEPENDENCIES([CC]) else +AC_LANG_PUSH([C++]) +AC_COMPILE_IFELSE([[int i;]], [], + [AC_MSG_ERROR([C++ compiler missing or inoperational])]) +AC_LANG_POP([C++]) ZW_PROG_COMPILER_DEPENDENCIES([CXX]) fi |