[Guile-commits] 02/06: GUILE_PKG bails out when 'pkg-config' is missing

[Ludovic Courtès]

civodul pushed a commit to branch master
in repository guile.

commit 02a31d6885e1ee4dde9d843c4bdf501a5b952983
Author: Mathieu Lirzin <mthl@gnu.org>
AuthorDate: Sat May 9 01:02:01 2020 +0200

    GUILE_PKG bails out when 'pkg-config' is missing
    
    * meta/guile.m4 (GUILE_PKG): Ensure that 'pkg-config' is available. Use
    AC_REQUIRE for PKG_PROG_PKG_CONFIG to avoid unnecessary invocations.
    
    Signed-off-by: Ludovic Courtès <ludo@gnu.org>
---
 meta/guile.m4 | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/meta/guile.m4 b/meta/guile.m4
index bc0daaf..6968973 100644
--- a/meta/guile.m4
+++ b/meta/guile.m4
@@ -60,7 +60,10 @@
 # @code{AC_SUBST}.
 #
 AC_DEFUN([GUILE_PKG],
- [PKG_PROG_PKG_CONFIG
+ [AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+  if test "x$PKG_CONFIG" = x; then
+    AC_MSG_ERROR([pkg-config is missing, please install it])
+  fi
   _guile_versions_to_search="m4_default([$1], [3.0 2.2 2.0])"
   if test -n "$GUILE_EFFECTIVE_VERSION"; then
     _guile_tmp=""