libgfortran:

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

diff --git a/libgfortran/configure b/libgfortran/configure
index 002bc49..7038d1a 100755 (executable)
--- a/libgfortran/configure
+++ b/libgfortran/configure
@@ -630,6 +630,10 @@ RANLIB
 AR
 AS
 SECTION_FLAGS
+LIBGFOR_USE_SYMVER_SUN_FALSE
+LIBGFOR_USE_SYMVER_SUN_TRUE
+LIBGFOR_USE_SYMVER_GNU_FALSE
+LIBGFOR_USE_SYMVER_GNU_TRUE
 LIBGFOR_USE_SYMVER_FALSE
 LIBGFOR_USE_SYMVER_TRUE
 AM_CFLAGS
@@ -4414,13 +4418,13 @@ fi
 # Check for symbol versioning (copied from libssp).
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether symbol versioning is supported" >&5
 $as_echo_n "checking whether symbol versioning is supported... " >&6; }
+save_LDFLAGS="$LDFLAGS"
+LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map"
 cat > conftest.map <<EOF
 FOO_1.0 {
   global: *foo*; bar; local: *;
 };
 EOF
-save_LDFLAGS="$LDFLAGS"
-LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map"
 
 if test x$gcc_no_link = xyes; then
   as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
@@ -4437,16 +4441,51 @@ main ()
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  gfortran_use_symver=yes
+  gfortran_use_symver=gnu
+else
+  gfortran_use_symver=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+if test x$gfortran_use_symver = xno; then
+  case "$target_os" in
+    solaris2*)
+      LDFLAGS="$save_LDFLAGS"
+      LDFLAGS="$LDFLAGS -fPIC -shared -Wl,-M,./conftest.map"
+      # Sun ld cannot handle wildcards and treats all entries as undefined.
+      cat > conftest.map <<EOF
+FOO_1.0 {
+  global: foo; local: *;
+};
+EOF
+      if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  gfortran_use_symver=sun
 else
   gfortran_use_symver=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
+      ;;
+  esac
+fi
 LDFLAGS="$save_LDFLAGS"
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gfortran_use_symver" >&5
 $as_echo "$gfortran_use_symver" >&6; }
- if test "x$gfortran_use_symver" = xyes; then
+ if test "x$gfortran_use_symver" != xno; then
   LIBGFOR_USE_SYMVER_TRUE=
   LIBGFOR_USE_SYMVER_FALSE='#'
 else
@@ -4454,6 +4493,22 @@ else
   LIBGFOR_USE_SYMVER_FALSE=
 fi
 
+ if test "x$gfortran_use_symver" = xgnu; then
+  LIBGFOR_USE_SYMVER_GNU_TRUE=
+  LIBGFOR_USE_SYMVER_GNU_FALSE='#'
+else
+  LIBGFOR_USE_SYMVER_GNU_TRUE='#'
+  LIBGFOR_USE_SYMVER_GNU_FALSE=
+fi
+
+ if test "x$gfortran_use_symver" = xsun; then
+  LIBGFOR_USE_SYMVER_SUN_TRUE=
+  LIBGFOR_USE_SYMVER_SUN_FALSE='#'
+else
+  LIBGFOR_USE_SYMVER_SUN_TRUE='#'
+  LIBGFOR_USE_SYMVER_SUN_FALSE=
+fi
+
 
 # Figure out whether the compiler supports "-ffunction-sections -fdata-sections",
 # similarly to how libstdc++ does it
@@ -11307,7 +11362,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11310 "configure"
+#line 11365 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11413,7 +11468,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11416 "configure"
+#line 11471 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -25091,6 +25146,14 @@ if test -z "${LIBGFOR_USE_SYMVER_TRUE}" && test -z "${LIBGFOR_USE_SYMVER_FALSE}"
   as_fn_error "conditional \"LIBGFOR_USE_SYMVER\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${LIBGFOR_USE_SYMVER_GNU_TRUE}" && test -z "${LIBGFOR_USE_SYMVER_GNU_FALSE}"; then
+  as_fn_error "conditional \"LIBGFOR_USE_SYMVER_GNU\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${LIBGFOR_USE_SYMVER_SUN_TRUE}" && test -z "${LIBGFOR_USE_SYMVER_SUN_FALSE}"; then
+  as_fn_error "conditional \"LIBGFOR_USE_SYMVER_SUN\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 
 : ${CONFIG_STATUS=./config.status}
 ac_write_fail=0