From ec3f48a3733e7670b718c6a5a8b30cdc16cd289d Mon Sep 17 00:00:00 2001
From: laqieer <laqieer@126.com>
Date: Sat, 17 Aug 2024 23:11:35 +0800
Subject: [PATCH] Allow implicit-function-declaration to build using
 GCC14/Clang15

patch source: https://github.com/pret/agbcc/issues/73#issuecomment-2254185109
---
 gcc/Makefile        | 2 +-
 gcc_arm/Makefile.in | 2 +-
 gcc_arm/configure   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/Makefile b/gcc/Makefile
index 9756e901..c34b354e 100644
--- a/gcc/Makefile
+++ b/gcc/Makefile
@@ -24,7 +24,7 @@ VPATH = $(srcdir)
 
 CC = gcc
 
-BASE_CFLAGS = -g -std=gnu11 -Werror-implicit-function-declaration
+BASE_CFLAGS = -g -std=gnu11 -Werror-implicit-function-declaration -Wno-error=incompatible-pointer-types
 
 INCLUDES = -I. -I$(srcdir)
 
diff --git a/gcc_arm/Makefile.in b/gcc_arm/Makefile.in
index 09a87117..10641b80 100755
--- a/gcc_arm/Makefile.in
+++ b/gcc_arm/Makefile.in
@@ -64,7 +64,7 @@ ALLOCA_FINISH = true
 XCFLAGS =
 TCFLAGS =
 # CYGNUS LOCAL nowarnings/law
-CFLAGS = -g -Werror-implicit-function-declaration
+CFLAGS = -g -Werror-implicit-function-declaration -Wno-error=incompatible-pointer-types
 BOOT_CFLAGS = -O2 $(CFLAGS)
 WARN_CFLAGS =
 # END CYGNUS LOCAL
diff --git a/gcc_arm/configure b/gcc_arm/configure
index 05c0782f..0b7738dc 100755
--- a/gcc_arm/configure
+++ b/gcc_arm/configure
@@ -1138,7 +1138,7 @@ cat > conftest.$ac_ext << EOF
 #line 1139 "configure"
 #include "confdefs.h"
 
-main(){return(0);}
+int main(){return(0);}
 EOF
 if { (eval echo configure:1144: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes