contrib:

[pf3gnuchains/gcc-fork.git] / gcc / configure.in

diff --git a/gcc/configure.in b/gcc/configure.in
index 7e7c83f..b3355e1 100644 (file)
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -541,7 +541,7 @@ fi
 AC_CHECK_FUNCS(strtoul bsearch putenv popen bcopy \
        strchr strrchr kill getrlimit setrlimit atoll atoq \
        sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \
-       fputs_unlocked getrusage valloc iconv nl_langinfo)
+       fputs_unlocked getrusage iconv nl_langinfo)
 
 AC_CHECK_TYPE(ssize_t, int)
 
@@ -570,10 +570,9 @@ gcc_AC_FUNC_PRINTF_PTR
 
 case "${host}" in
 *-*-uwin*)
-  # Under some versions of uwin, vfork is notoriously buggy and the test 
-  # can hang configure; on other versions, vfork exists just as a stub.
-  # FIXME: This should be removed once vfork in uwin's runtime is fixed.
-  ac_cv_func_vfork_works=no
+  AC_MSG_ERROR([
+*** UWIN may not be used as a host platform because
+*** linking with posix.dll is not allowed by the GNU GPL])
   ;;
 esac
 AC_FUNC_VFORK
@@ -1566,12 +1565,7 @@ AC_ARG_WITH(gc,
     AC_MSG_ERROR([$withval is an invalid option to --with-gc])
     ;;
 esac],
-[if test $ac_cv_func_mmap_anywhere = yes \
-    || test $ac_cv_func_valloc = yes; then
-  GGC=ggc-page
-else
-  GGC=ggc-simple
-fi])
+[GGC=ggc-page])
 AC_SUBST(GGC)
 echo "Using $GGC for garbage collection."
 
@@ -1802,6 +1796,24 @@ fi
 AC_SUBST(gcc_tooldir)
 AC_SUBST(dollar)
 
+# Find a directory in which to install a shared libgcc.
+
+AC_ARG_ENABLE(version-specific-runtime-libs,
+[  --enable-version-specific-runtime-libs    Specify that runtime libraries shou
+ld be installed in a compiler-specific directory ])
+
+AC_ARG_WITH(slibdir,
+[  --with-slibdir=DIR      shared libraries in DIR [LIBDIR]],
+slibdir="$with_slibdir",
+if test "${enable_version_specific_runtime_libs+set}" = set; then
+  slibdir='$(libsubdir)'
+elif test "$host" != "$target"; then
+  slibdir='$(build_tooldir)/lib'
+else
+  slibdir='$(libdir)'
+fi)
+AC_SUBST(slibdir)
+
 # Nothing to do for FLOAT_H, float_format already handled.
 objdir=`pwd`
 AC_SUBST(objdir)