* configure.ac: Remove [disable-shared] argument to LT_INIT.

	Remove setting PIC_FLAG when building as target library.
	* configure: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227261 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 26 insertions, 53 deletions

diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
index 8961199e36d..48d402901f9 100644
--- a/libbacktrace/ChangeLog
+++ b/libbacktrace/ChangeLog
@@ -1,3 +1,9 @@
+2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+	* configure.ac: Remove [disable-shared] argument to LT_INIT.
+	Remove setting PIC_FLAG when building as target library.
+	* configure: Regenerate.
+
 2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
 
 	* configure.ac: Only compile with -fPIC if the target
diff --git a/libbacktrace/configure b/libbacktrace/configure
index 72832d529e1..d34a6bfe61e 100755
--- a/libbacktrace/configure
+++ b/libbacktrace/configure
@@ -1366,7 +1366,7 @@ Optional Features:
   --enable-multilib       build many library versions (default)
   --enable-maintainer-mode  enable make rules and dependencies not useful
 			  (and sometimes confusing) to the casual installer
-  --enable-shared[=PKGS]  build shared libraries [default=no]
+  --enable-shared[=PKGS]  build shared libraries [default=yes]
   --enable-static[=PKGS]  build static libraries [default=yes]
   --enable-fast-install[=PKGS]
                           optimize for fast installation [default=yes]
@@ -7658,7 +7658,16 @@ done
 
 
 # Set options
-# Check whether --enable-shared was given.
+
+
+
+        enable_dlopen=no
+
+
+  enable_win32_dll=no
+
+
+            # Check whether --enable-shared was given.
 if test "${enable_shared+set}" = set; then :
   enableval=$enable_shared; p=${PACKAGE-default}
     case $enableval in
@@ -7678,7 +7687,7 @@ if test "${enable_shared+set}" = set; then :
       ;;
     esac
 else
-  enable_shared=no
+  enable_shared=yes
 fi
 
 
@@ -7689,14 +7698,6 @@ fi
 
 
 
-
-        enable_dlopen=no
-
-
-  enable_win32_dll=no
-
-
-
   # Check whether --enable-static was given.
 if test "${enable_static+set}" = set; then :
   enableval=$enable_static; p=${PACKAGE-default}
@@ -11130,7 +11131,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11133 "configure"
+#line 11134 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11236,7 +11237,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11239 "configure"
+#line 11240 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11708,35 +11709,12 @@ $as_echo "#define HAVE_GETIPINFO 1" >>confdefs.h
   fi
 fi
 
-# When building as a target library, shared libraries may want to link
-# this in.  We don't want to provide another shared library to
-# complicate dependencies.  Instead, we just compile with -fPIC, if
-# the target supports compiling with that option.
-PIC_FLAG=
-if test -n "${with_target_subdir}"; then
-  ac_save_CFLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -fPIC"
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  PIC_FLAG=-fPIC
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  CFLAGS="$ac_save_CFLAGS"
-fi
-# Similarly, use -fPIC with --enable-host-shared:
+# Enable --enable-host-shared.
 # Check whether --enable-host-shared was given.
 if test "${enable_host_shared+set}" = set; then :
   enableval=$enable_host_shared; PIC_FLAG=-fPIC
+else
+  PIC_FLAG=
 fi
 
 
diff --git a/libbacktrace/configure.ac b/libbacktrace/configure.ac
index feca006974b..01284bd82cb 100644
--- a/libbacktrace/configure.ac
+++ b/libbacktrace/configure.ac
@@ -79,7 +79,7 @@ case "$AWK" in
 "") AC_MSG_ERROR([can't build without awk]) ;;
 esac
 
-LT_INIT([disable-shared])
+LT_INIT
 AM_PROG_LIBTOOL
 
 backtrace_supported=yes
@@ -161,22 +161,11 @@ else
   fi
 fi
 
-# When building as a target library, shared libraries may want to link
-# this in.  We don't want to provide another shared library to
-# complicate dependencies.  Instead, we just compile with -fPIC, if
-# the target supports compiling with that option.
-PIC_FLAG=
-if test -n "${with_target_subdir}"; then
-  ac_save_CFLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -fPIC"
-  AC_TRY_COMPILE([], [], [PIC_FLAG=-fPIC])
-  CFLAGS="$ac_save_CFLAGS"
-fi
-# Similarly, use -fPIC with --enable-host-shared:
+# Enable --enable-host-shared.
 AC_ARG_ENABLE(host-shared,
 [AS_HELP_STRING([--enable-host-shared],
 		[build host code as shared libraries])],
-[PIC_FLAG=-fPIC], [])
+[PIC_FLAG=-fPIC], [PIC_FLAG=])
 AC_SUBST(PIC_FLAG)
 
 # Test for __sync support.