# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1251018736 -7200
# Node ID 634697062fe15adbb8659fd850e5ffb7335ebc9f
# Parent  899122410ea591b3adca570973d0d4166dd0a3a6
acx_blas_f77_func.m4 (ACX_BLAS_F77_FUNC): Save and restore LIBS

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-08-18  John W. Eaton  <jwe@octave.org>
+
+	* acx_blas_f77_func.m4 (ACX_BLAS_F77_FUNC): Save and restore LIBS.
+
 2009-07-16  John W. Eaton  <jwe@octave.org>
 
 	* Makeconf.in (MAGICK_LIBS): Don't pass --ldflags to $(MAGICK_CONFIG).
diff --git a/acx_blas_f77_func.m4 b/acx_blas_f77_func.m4
--- a/acx_blas_f77_func.m4
+++ b/acx_blas_f77_func.m4
@@ -64,6 +64,7 @@
 if test "$cross_compiling" = yes ; then
 	ifelse($3, ,$1,$3)
 elif test x"$acx_blas_ok" = xyes; then
+	save_acx_blas_f77_func_LIBS="$LIBS"
 	LIBS="$BLAS_LIBS $LIBS"
 	AC_LANG_PUSH(Fortran 77)
 # LSAME check (LOGICAL return values)
@@ -157,6 +158,7 @@
 		acx_blas_f77_func_ok=no;
 		$2
 	fi
+	LIBS="$save_acx_blas_f77_func_LIBS"
 fi
 
 ])dnl ACX_BLAS_F77_FUNC