configure: add -lgdbm if needed for ndbm support

[m6w6/ext-psi] / m4 / posix / ndbm.m4

diff --git a/m4/posix/ndbm.m4 b/m4/posix/ndbm.m4
index bd2617b60e9cffc0ae8bcf7531ebbe6ed87f7930..7b04504536b60495f9dc4afebff8b5cebc95c634 100644 (file)
--- a/m4/posix/ndbm.m4
+++ b/m4/posix/ndbm.m4
@@ -2,6 +2,10 @@ PSI_CHECK_NDBM() {
        PSI_CONFIG_POSIX(ndbm, ndbm.h gdbm-ndbm.h)
 
        PHP_CHECK_FUNC(dbm_open, gdbm_compat)
+       # See http://www.gnu.org.ua/software/gdbm/manual/html_section/gdbm_19.html
+       if expr X"$LIBS" : "X.*-lgdbm_compat" >/dev/null; then
+               LIBS="-lgdbm $LIBS"
+       fi
 
        PSI_STRUCT(datum, [
                void *dptr,