From 0d35e5a6a01075e0b99c7ffaf2bf49b6b77f9844 Mon Sep 17 00:00:00 2001
From: Sergey Kosukhin <sergey.kosukhin@mpimet.mpg.de>
Date: Thu, 11 Nov 2021 20:44:45 +0100
Subject: [PATCH] Update ACX_CHECK_CFORTRAN: make it work when FC is disabled.
---
m4/acx_check_cfortran.m4 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/m4/acx_check_cfortran.m4 b/m4/acx_check_cfortran.m4
index c51b72b7e..a8dc4468b 100644
--- a/m4/acx_check_cfortran.m4
+++ b/m4/acx_check_cfortran.m4
@@ -260,7 +260,7 @@ FCALLSCSUB0(errExit,ERR_EXIT,err_exit)
[_ACX_CHECK_CFORTRAN_FC],
[acx_cv_cfortran_works=${acx_cv_cfortran_works-yes}])])
AC_PROVIDE_IFELSE([AC_PROG_F77],
- [AS_IF([test -n "$F77" -a X"$F77" != Xno AC_PROVIDE_IFELSE([AC_PROG_FC],[-a x"$acx_cv_cfortran_works" = xyes])],[_ACX_CHECK_CFORTRAN_F77])])
+ [AS_IF([test -n "$F77" -a X"$F77" != Xno AC_PROVIDE_IFELSE([AC_PROG_FC],[-a \( x"$acx_cv_cfortran_works" = xyes -o -z "$FC" -o X"$FC" = Xno \)])],[_ACX_CHECK_CFORTRAN_F77])])
rm -f "conftest_c.$ac_objext" "conftest_c.$OBJEXT"
],
[acx_cv_cfortran_works="compiling with cfortran.h failed"])
--
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