patch 8.2.3406: on some systems tests fail without _REENTRANT
Problem: On some systems tests fail without _REENTRANT. (Elimar
Riesebieter)
Solution: Add -D_REENTRANT in configure. (closes #7402)
diff --git a/src/configure.ac b/src/configure.ac
index 5ec9557..4cd6dea 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -4504,6 +4504,12 @@
fi
fi
+dnl On some systems REENTRANT needs to be defined. It should not hurt to use
+dnl it everywhere.
+if `echo "$CFLAGS" | grep -v D_REENTRANT >/dev/null`; then
+ CFLAGS="$CFLAGS -D_REENTRANT"
+fi
+
dnl gcc 3.1 changed the meaning of -MM. The only solution appears to be to
dnl use "-isystem" instead of "-I" for all non-Vim include dirs.
dnl But only when making dependencies, cproto and lint don't take "-isystem".