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re PR bootstrap/44432 ([boot with C++] configure does not check presence of host C++ compiler)

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PR bootstrap/44432
	* configure.ac: Before using ZW_PROG_COMPILER_DEPENDENCIES for C++,
	check that C++ compiler works.
	* configure: Regenerate.

From-SVN: r160460
This commit is contained in:
Joern Rennecke 2010-06-09 10:32:23 +00:00 committed by Joern Rennecke
parent 07b7ede0bf
commit ff5dfc4869
3 changed files with 35 additions and 2 deletions
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7
libcpp/ChangeLog
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@ -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.

26
libcpp/configure vendored
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@ -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'

4
libcpp/configure.ac
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@ -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