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-rw-r--r--configure.ac3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 104a0e4b09..2a1edbc321 100644
--- a/configure.ac
+++ b/configure.ac
@@ -87,7 +87,8 @@ dnl We require pkg.m4 (from pkg-config) and guile.m4 (from Guile.)
dnl Make sure they are available.
m4_pattern_forbid([PKG_CHECK_MODULES])
m4_pattern_forbid([GUILE_MODULE_AVAILABLE])
-m4_pattern_forbid([^GUILE_P$])
+m4_pattern_forbid([^GUILE_P])
+m4_pattern_allow([^GUILE_PKG_ERRORS])
m4_pattern_forbid([^GUIX_])
dnl Search for 'guile' and 'guild'. This macro defines