diff -urN lzma2301/C/7zip_gcc_c.mak lzma2301.new/C/7zip_gcc_c.mak
--- lzma2301/C/7zip_gcc_c.mak	2023-05-03 21:00:00.000000000 +0800
+++ lzma2301.new/C/7zip_gcc_c.mak	2023-09-01 12:09:49.814715435 +0800
@@ -14,7 +14,7 @@
 PROGPATH_STATIC = $(O)/$(PROG)s
 
 ifneq ($(CC), xlc)
-CFLAGS_WARN_WALL = -Wall -Werror -Wextra
+CFLAGS_WARN_WALL = -Wall -Wextra
 endif
 
 # for object file
diff -urN lzma2301/CPP/7zip/7zip_gcc.mak lzma2301.new/CPP/7zip/7zip_gcc.mak
--- lzma2301/CPP/7zip/7zip_gcc.mak	2023-05-03 21:00:00.000000000 +0800
+++ lzma2301.new/CPP/7zip/7zip_gcc.mak	2023-09-01 12:10:26.934926776 +0800
@@ -24,7 +24,7 @@
 
 
 ifneq ($(CC), xlc)
-CFLAGS_WARN_WALL = -Werror -Wall -Wextra
+CFLAGS_WARN_WALL = -Wall -Wextra
 endif
 
 # for object file
diff -urN lzma2301/CPP/Build.mak lzma2301.new/CPP/Build.mak
--- lzma2301/CPP/Build.mak	2023-05-01 18:00:00.000000000 +0800
+++ lzma2301.new/CPP/Build.mak	2023-09-01 12:10:07.110813908 +0800
@@ -67,7 +67,6 @@
 !IF "$(CC)" == "clang-cl"
 
 CFLAGS = $(CFLAGS) \
-  -Werror \
   -Wall \
   -Wextra \
   -Weverything \
