grep branch, master, updated. v3.10-15-gc325980

[Paul Eggert]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=c3259803fe255fb55f2cfcdf4cf5bd94ae3befdd


commit c3259803fe255fb55f2cfcdf4cf5bd94ae3befdd
Author: Paul Eggert <eggert@cs.ucla.edu>
Date:   Sat Apr 29 18:30:47 2023 -0700

    build: support explicit ‘PCRE_CFLAGS= PCRE_LIBS=’
    
    * m4/pcre.m4 (gl_FUNC_PCRE): Check whether PCRE_CFLAGS and
    PCRE_LIBS are set, not whether they are set to a nonempty value.

diff --git a/m4/pcre.m4 b/m4/pcre.m4
index f4c71c7..4000782 100644
--- a/m4/pcre.m4
+++ b/m4/pcre.m4
@@ -22,7 +22,7 @@ AC_DEFUN([gl_FUNC_PCRE],
 
   if test $test_pcre != no; then
 
-    if test -z "$PCRE_CFLAGS" && test -z "$PCRE_LIBS"; then
+    if test -z "${PCRE_CFLAGS+set}" && test -z "${PCRE_LIBS+set}"; then
       PKG_CHECK_MODULES([PCRE], [libpcre2-8], [], [: ${PCRE_LIBS=-lpcre2-8}])
     fi
 

-----------------------------------------------------------------------

Summary of changes:
 m4/pcre.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


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