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Diffstat (limited to 'config/gxx-include-dir.m4')
-rw-r--r-- | config/gxx-include-dir.m4 | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/config/gxx-include-dir.m4 b/config/gxx-include-dir.m4 new file mode 100644 index 0000000..4f54d42 --- /dev/null +++ b/config/gxx-include-dir.m4 @@ -0,0 +1,32 @@ +dnl Usage: TL_AC_GXX_INCLUDE_DIR +dnl +dnl Set $gxx_include_dir to the location of the installed C++ include +dnl directory. The value depends on $gcc_version and the configuration +dnl options --with-gxx-include-dir and --enable-version-specific-runtime-libs. +dnl +dnl If you change the default here, you'll need to change the gcc and +dnl libstdc++-v3 subdirectories too. +AC_DEFUN([TL_AC_GXX_INCLUDE_DIR], +[ +case "${with_gxx_include_dir}" in + yes) + AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory]) + ;; + no | "") + case "${enable_version_specific_runtime_libs}" in + yes) gxx_include_dir='$(libsubdir)/include/c++' ;; + *) + libstdcxx_incdir='c++/$(gcc_version)' + gxx_include_dir='include/$(libstdcxx_incdir)' + if test -n "$with_cross_host" && + test x"$with_cross_host" != x"no"; then + gxx_include_dir='${prefix}/${target_alias}/'"$gxx_include_dir" + else + gxx_include_dir='${prefix}/'"$gxx_include_dir" + fi;; + esac ;; + *) gxx_include_dir=${with_gxx_include_dir} ;; +esac +AC_SUBST(gxx_include_dir) +AC_SUBST(libstdcxx_incdir) +]) |