diff options
Diffstat (limited to 'm4/ax_prog_cxx_for_build.m4')
| -rw-r--r-- | m4/ax_prog_cxx_for_build.m4 | 38 |
1 files changed, 12 insertions, 26 deletions
diff --git a/m4/ax_prog_cxx_for_build.m4 b/m4/ax_prog_cxx_for_build.m4 index 4a099f9fbd8..ecf8db94e48 100644 --- a/m4/ax_prog_cxx_for_build.m4 +++ b/m4/ax_prog_cxx_for_build.m4 @@ -38,30 +38,9 @@ AC_REQUIRE([AX_PROG_CC_FOR_BUILD])dnl AC_REQUIRE([AC_PROG_CXX])dnl AC_REQUIRE([AC_PROG_CXXCPP])dnl AC_REQUIRE([AC_CANONICAL_SYSTEM])dnl -dnl -pushdef([AC_TRY_COMPILER], [ -cat > conftest.$ac_ext << EOF -#line __oline__ "configure" -#include "confdefs.h" -[$1] -EOF -# If we can't run a trivial program, we are probably using a cross -compiler. -# Fail miserably. -if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} && (./conftest; -exit) 2>/dev/null; then - [$2]=yes -else - echo "configure: failed program was:" >&AC_FD_CC - cat conftest.$ac_ext >&AC_FD_CC - [$2]=no -fi -[$3]=no -rm -fr conftest*])dnl dnl Use the standard macros, but make them use other variable names dnl -pushdef([cross_compiling], [#])dnl pushdef([ac_cv_prog_CXXCPP], ac_cv_build_prog_CXXCPP)dnl pushdef([ac_cv_prog_gxx], ac_cv_build_prog_gxx)dnl pushdef([ac_cv_prog_cxx_works], ac_cv_build_prog_cxx_works)dnl @@ -70,6 +49,7 @@ pushdef([ac_cv_prog_cxx_g], ac_cv_build_prog_cxx_g)dnl pushdef([CXX], CXX_FOR_BUILD)dnl pushdef([CXXCPP], CXXCPP_FOR_BUILD)dnl pushdef([CXXFLAGS], CXXFLAGS_FOR_BUILD)dnl +pushdef([CPPFLAGS], CPPFLAGS_FOR_BUILD)dnl pushdef([CXXCPPFLAGS], CXXCPPFLAGS_FOR_BUILD)dnl pushdef([host], build)dnl pushdef([host_alias], build_alias)dnl @@ -84,15 +64,20 @@ pushdef([ac_cv_host_os], ac_cv_build_os)dnl pushdef([ac_cxxcpp], ac_build_cxxcpp)dnl pushdef([ac_compile], ac_build_compile)dnl pushdef([ac_link], ac_build_link)dnl -pushdef([ac_tool_prefix], [#])dnl + +save_cross_compiling=$cross_compiling +save_ac_tool_prefix=$ac_tool_prefix +cross_compiling=no +ac_tool_prefix= AC_PROG_CXX AC_PROG_CXXCPP +ac_tool_prefix=$save_ac_tool_prefix +cross_compiling=$save_cross_compiling + dnl Restore the old definitions dnl -popdef([AC_TRY_COMPILER])dnl -popdef([ac_tool_prefix])dnl popdef([ac_link])dnl popdef([ac_compile])dnl popdef([ac_cxxcpp])dnl @@ -107,14 +92,15 @@ popdef([host_cpu])dnl popdef([host_alias])dnl popdef([host])dnl popdef([CXXCPPFLAGS])dnl +popdef([CPPFLAGS])dnl popdef([CXXFLAGS])dnl popdef([CXXCPP])dnl popdef([CXX])dnl popdef([ac_cv_prog_cxx_g])dnl -popdef([ac_cv_prog_cxx_works])dnl popdef([ac_cv_prog_cxx_cross])dnl +popdef([ac_cv_prog_cxx_works])dnl popdef([ac_cv_prog_gxx])dnl -popdef([cross_compiling])dnl +popdef([ac_cv_prog_CXXCPP])dnl dnl Finally, set Makefile variables dnl |