linux-atm: Fix build with GCC 15

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/lfs/linux-atm b/lfs/linux-atm
index e2bbd069834f3c31abb85d2b15d2ca8ad174bf13..10f84d46fc903a3f3f8d28124d140660f7459557 100644 (file)
--- a/lfs/linux-atm
+++ b/lfs/linux-atm
@@ -32,7 +32,8 @@ DL_FROM    = $(URL_IPFIRE)
 DIR_APP    = $(DIR_SRC)/$(THISAPP)
 TARGET     = $(DIR_INFO)/$(THISAPP)
 
-CFLAGS    += -fcommon
+# Fix build with GCC 15
+CFLAGS    += -std=gnu99 -fcommon
 
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