* c-pragma.c (pending_weak_d, pending_weak): New.

[pf3gnuchains/gcc-fork.git] / libssp / configure.ac

diff --git a/libssp/configure.ac b/libssp/configure.ac
index 05c84f6..8192167 100644 (file)
--- a/libssp/configure.ac
+++ b/libssp/configure.ac
@@ -1,12 +1,14 @@
 # Process this file with autoconf to produce a configure script, like so:
-# aclocal && autoconf && autoheader && automake
+# 
+# aclocal -I .. -I ../config && autoconf && autoheader && automake
 
-AC_PREREQ(2.59)
+AC_PREREQ(2.64)
 AC_INIT(libssp, 1.0)
 AC_CONFIG_SRCDIR(ssp.c)
 AC_CANONICAL_SYSTEM
+ACX_NONCANONICAL_TARGET
 
-AM_INIT_AUTOMAKE
+AM_INIT_AUTOMAKE([no-dist])
 
 AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
 AC_ARG_ENABLE(version-specific-runtime-libs,
@@ -20,7 +22,8 @@ AC_ARG_ENABLE(version-specific-runtime-libs,
 AC_MSG_RESULT($version_specific_libs)
 
 AM_MAINTAINER_MODE
-AC_EXEEXT
+
+GCC_NO_EXECUTABLES
 
 AM_ENABLE_MULTILIB(, ..)
 
@@ -38,7 +41,7 @@ AC_LANG_C
 m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
 m4_define([_AC_ARG_VAR_PRECIOUS],[])
 AC_PROG_CC
-m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
+m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
 
 AC_SUBST(CFLAGS)
 
@@ -75,15 +78,28 @@ FOO_1.0 {
 };
 EOF
 save_LDFLAGS="$LDFLAGS"
-LDFLAGS="$LDFLAGS -shared -Wl,--version-script,./conftest.map"
-AC_TRY_LINK([int foo;],[],[ssp_use_symver=yes],[ssp_use_symver=no])
+LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map"
+if test x$gcc_no_link = xyes; then
+  # If we cannot link, we cannot build shared libraries, so do not use
+  # symbol versioning.
+  ssp_use_symver=no
+else
+  AC_TRY_LINK([int foo;],[],[ssp_use_symver=yes],[ssp_use_symver=no])
+fi
 LDFLAGS="$save_LDFLAGS"
 AC_MSG_RESULT($ssp_use_symver)
 AM_CONDITIONAL(LIBSSP_USE_SYMVER, [test "x$ssp_use_symver" = xyes])
 
-AC_CHECK_HEADERS(alloca.h paths.h syslog.h string.h unistd.h fcntl.h stdio.h limits.h)
+AC_CHECK_HEADERS(alloca.h malloc.h paths.h syslog.h string.h unistd.h fcntl.h stdio.h limits.h)
 
-AC_CHECK_FUNCS(mempcpy strncpy strncat)
+if test x$gcc_no_link = xyes; then
+  # Presume the ISO C functions are available; add target-specific
+  # configuration here if required.
+  AC_DEFINE(HAVE_STRNCPY)
+  AC_DEFINE(HAVE_STRNCAT)
+else
+  AC_CHECK_FUNCS(mempcpy strncpy strncat)
+fi
 
 AC_MSG_CHECKING([whether vsnprintf is usable])
 AC_RUN_IFELSE(AC_LANG_PROGRAM([