X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=configure.ac;h=bb19ddecad3a15f21aede3695dcf45b95c4aa5b9;hb=ca90b151a05f17ccc1c3215ff24dc5d7b9198ff4;hp=3213de0de756f90c12a0655db39f8f255ce770a3;hpb=fa5d81a1dc8e25c6fbe8676fb20efc1a814357f6;p=platform%2Fupstream%2Fisl.git

diff --git a/configure.ac b/configure.ac
index 3213de0..bb19dde 100644
--- a/configure.ac
+++ b/configure.ac
@@ -48,6 +48,22 @@ system)
 		GMP_LDFLAGS="-L$with_gmp_prefix/lib"
 	fi
 	GMP_LIBS=-lgmp
+	SAVE_CPPFLAGS="$CPPFLAGS"
+	SAVE_LDFLAGS="$LDFLAGS"
+	SAVE_LIBS="$LIBS"
+	CPPFLAGS="$GMP_CPPFLAGS $CPPFLAGS"
+	LDFLAGS="$GMP_LDFLAGS $LDFLAGS"
+	LIBS="$GMP_LIBS $LIBS"
+	AC_CHECK_HEADER([gmp.h], [], [AC_ERROR([gmp.h header not found])])
+	AC_CHECK_LIB([gmp], [main], [], [AC_ERROR([gmp library not found])])
+	AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <gmp.h>]], [[
+		mpz_t n, d;
+		if (mpz_divisible_p(n, d))
+			mpz_divexact_ui(n, n, 4);
+	]])], [], [AC_ERROR([gmp library too old])])
+	CPPFLAGS="$SAVE_CPPFLAGS"
+	LDFLAGS="$SAVE_LDFLAGS"
+	LIBS="$SAVE_LIBS"
 	;;
 build)
 	GMP_CPPFLAGS="-I$gmp_srcdir -I$with_gmp_builddir"