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authorRichard Sandiford <rdsandiford@googlemail.com>2004-12-03 10:47:07 +0000
committerRichard Sandiford <rdsandiford@googlemail.com>2004-12-03 10:47:07 +0000
commit3da796a242a24aea76261f2d7e816e4b801ee69b (patch)
tree8c4372ce3273073cf8c497815d519e4c972c55dd /config
parent73fb7068004be3d810e4c885f2f794aa25550e13 (diff)
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Introduce config/gxx-include-dir.m4.
Diffstat (limited to 'config')
-rw-r--r--config/ChangeLog4
-rw-r--r--config/gxx-include-dir.m426
2 files changed, 30 insertions, 0 deletions
diff --git a/config/ChangeLog b/config/ChangeLog
index dd64c45..49cbfdd 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,7 @@
+2004-12-03 Richard Sandiford <rsandifo@redhat.com>
+
+ * gxx-include-dir.m4: New file.
+
2004-12-02 Richard Sandiford <rsandifo@redhat.com>
* gcc-version.m4: New file.
diff --git a/config/gxx-include-dir.m4 b/config/gxx-include-dir.m4
new file mode 100644
index 0000000..87a65ad
--- /dev/null
+++ b/config/gxx-include-dir.m4
@@ -0,0 +1,26 @@
+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++/${gcc_version}
+ gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
+ esac ;;
+ *) gxx_include_dir=${with_gxx_include_dir} ;;
+esac
+AC_SUBST(gxx_include_dir)
+AC_SUBST(libstdcxx_incdir)
+])