configure: Add -D_GNU_SOURCE to CPPFLAGS on OS/2.

The flag is required for some C99 math functions to be declared.
2025-03-07 04:57:57 +00:00 · 2011-05-26 14:21:04 +02:00 · 2011-05-26 14:21:04 +02:00 · e14574eb68
commit e14574eb68
parent 25101cf5bd
1 changed files with 1 additions and 0 deletions
--- a/1
+++ b/1
@ -2477,6 +2477,7 @@ case $target_os in
    os/2*)
        ln_s="cp -f"
        objformat="aout"
+        add_cppflags -D_GNU_SOURCE
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
        FFSERVERLDFLAGS=""