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comparison config/gxx-include-dir.m4 @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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-1:000000000000 0:a06113de4d67
1 dnl Usage: TL_AC_GXX_INCLUDE_DIR
2 dnl
3 dnl Set $gxx_include_dir to the location of the installed C++ include
4 dnl directory. The value depends on $gcc_version and the configuration
5 dnl options --with-gxx-include-dir and --enable-version-specific-runtime-libs.
6 dnl
7 dnl If you change the default here, you'll need to change the gcc and
8 dnl libstdc++-v3 subdirectories too.
9 AC_DEFUN([TL_AC_GXX_INCLUDE_DIR],
10 [
11 case "${with_gxx_include_dir}" in
12 yes)
13 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
14 ;;
15 no | "")
16 case "${enable_version_specific_runtime_libs}" in
17 yes) gxx_include_dir='$(libsubdir)/include/c++' ;;
18 *)
19 libstdcxx_incdir='c++/$(gcc_version)'
20 gxx_include_dir='include/$(libstdcxx_incdir)'
21 if test -n "$with_cross_host" &&
22 test x"$with_cross_host" != x"no"; then
23 gxx_include_dir='${prefix}/${target_alias}/'"$gxx_include_dir"
24 else
25 gxx_include_dir='${prefix}/'"$gxx_include_dir"
26 fi;;
27 esac ;;
28 *) gxx_include_dir=${with_gxx_include_dir} ;;
29 esac
30 AC_SUBST(gxx_include_dir)
31 AC_SUBST(libstdcxx_incdir)
32 ])