On Thu, Jun 18, 2020 at 1:09 PM Jung-uk Kim <j...@freebsd.org> wrote:
>
> Author: jkim
> Date: Thu Jun 18 18:09:16 2020
> New Revision: 362333
> URL: https://svnweb.freebsd.org/changeset/base/362333
>
> Log:
> MFV: r362286
>
> Merge flex 2.6.4.
>
Hi,
I'm looking at getting amd64 world buildable again by gcc6; this seems
to give it some gas:
/usr/src/contrib/flex/src/main.c: In function 'check_options':
/usr/src/contrib/flex/src/main.c:347:14: error: assignment discards
'const' qualifier from pointer target type
[-Werror=discarded-qualifiers]
if ((slash = strrchr(M4, '/')) != NULL) {
The following trivial patch seems to make gcc6 happy again.
diff --git a/contrib/flex/src/main.c b/contrib/flex/src/main.c
index 711e387b1b5..97e043c6275 100644
--- a/contrib/flex/src/main.c
+++ b/contrib/flex/src/main.c
@@ -342,7 +342,7 @@ void check_options (void)
/* Setup the filter chain. */
output_chain = filter_create_int(NULL, filter_tee_header, headerfilename);
if ( !(m4 = getenv("M4"))) {
- char *slash;
+ const char *slash;
m4 = M4;
if ((slash = strrchr(M4, '/')) != NULL) {
m4 = slash+1;
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