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[Ada] Fix PR ada/80921


We have apparently never tried to build shared libraries in cross builds.

Tested on x86_64-suse-linux, applied on mainline and 7 & 6 branches.


2017-06-01  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/80921
	* configure.ac (default_gnatlib_target): Remove bogus condition.
	(have_getipinfo): Tweak.
	* configure: Regenerate.

-- 
Eric Botcazou
Index: configure.ac
===================================================================
--- configure.ac	(revision 248552)
+++ configure.ac	(working copy)
@@ -127,9 +127,7 @@ AC_PROG_AWK
 AC_PROG_LN_S
 
 # Determine what to build for 'gnatlib'
-if test $build = $target \
-   && test ${enable_shared} = yes ; then
-  # Note that build=target is almost certainly the wrong test; FIXME
+if test ${enable_shared} = yes; then
   default_gnatlib_target="gnatlib-shared"
 else
   default_gnatlib_target="gnatlib-plain"
@@ -138,15 +136,16 @@ AC_SUBST([default_gnatlib_target])
 
 # Check for _Unwind_GetIPInfo
 GCC_CHECK_UNWIND_GETIPINFO
-have_getipinfo=
 if test x$have_unwind_getipinfo = xyes; then
   have_getipinfo=-DHAVE_GETIPINFO
+else
+  have_getipinfo=
 fi
-AC_SUBST(have_getipinfo)
+AC_SUBST([have_getipinfo])
 
 # Check for <sys/capability.h>
 AC_CHECK_HEADER([sys/capability.h], have_capability=-DHAVE_CAPABILITY, have_capability=)
-AC_SUBST(have_capability)
+AC_SUBST([have_capability])
 
 # Determine what GCC version number to use in filesystem paths.
 GCC_BASE_VER

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