[PPL-devel] [GIT] ppl/ppl(master): Use `libtool' to test linking with GMP only if the option `--with-gmp-build' was given.

[Roberto Bagnara]

Module: ppl/ppl
Branch: master
Commit: 8e8ea55b9bf4cbcf3c06216f83cf8e2021eef523
URL:    http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=8e8ea55b9bf4cbcf3c06216f83cf8e2021eef523

Author: Roberto Bagnara <bagnara at cs.unipr.it>
Date:   Sun Feb 26 13:05:34 2012 +0100

Use `libtool' to test linking with GMP only if the option `--with-gmp-build' was given.

---

 m4/ac_check_gmp.m4 |   14 +++++++++++---
 1 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/m4/ac_check_gmp.m4 b/m4/ac_check_gmp.m4
index 3fbd6a3..2d5fd65 100644
--- a/m4/ac_check_gmp.m4
+++ b/m4/ac_check_gmp.m4
@@ -71,8 +71,12 @@ AC_ARG_WITH(gmp-build,
 
 gmp_library_options="$gmp_library_options $gmp_libs"
 
-ac_save_CXX="$CXX"
-CXX="libtool --mode=link --tag=CXX $CXX"
+if test -n "$with_gmp_build"
+then
+  ac_save_CXX="$CXX"
+  CXX="libtool --mode=link --tag=CXX $CXX"
+fi
+
 ac_save_CPPFLAGS="$CPPFLAGS"
 CPPFLAGS="$CPPFLAGS $gmp_include_options"
 ac_save_LIBS="$LIBS"
@@ -223,5 +227,9 @@ AC_LANG_POP(C++)
 eval $shared_library_path_env_var=\"$ac_save_shared_library_path\"
 LIBS="$ac_save_LIBS"
 CPPFLAGS="$ac_save_CPPFLAGS"
-CXX="$ac_save_CXX"
+
+if test -n "$with_gmp_build"
+then
+  CXX="$ac_save_CXX"
+fi
 ])