diff -urN lzma2200/C/7zip_gcc_c.mak lzma2200.new/C/7zip_gcc_c.mak
--- lzma2200/C/7zip_gcc_c.mak	2021-11-20 17:00:00.000000000 +0800
+++ lzma2200.new/C/7zip_gcc_c.mak	2023-08-28 15:30:50.383302888 +0800
@@ -12,7 +12,7 @@
 CFLAGS_BASE_LIST = -c
 # for ASM file
 # CFLAGS_BASE_LIST = -S
-CFLAGS_BASE = $(MY_ARCH_2) -O2 $(CFLAGS_BASE_LIST) -Wall -Werror -Wextra $(CFLAGS_WARN) \
+CFLAGS_BASE = $(MY_ARCH_2) -O2 $(CFLAGS_BASE_LIST) -Wall -Wextra $(CFLAGS_WARN) \
  -DNDEBUG -D_REENTRANT -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
 
 
diff -urN lzma2200/CPP/7zip/7zip_gcc.mak lzma2200.new/CPP/7zip/7zip_gcc.mak
--- lzma2200/CPP/7zip/7zip_gcc.mak	2022-02-02 18:00:00.000000000 +0800
+++ lzma2200.new/CPP/7zip/7zip_gcc.mak	2023-08-28 15:29:52.014979279 +0800
@@ -18,7 +18,7 @@
 
 
 ifneq ($(CC), xlc)
-CFLAGS_WARN_WALL = -Wall -Werror -Wextra
+CFLAGS_WARN_WALL = -Wall -Wextra
 endif
 
 # for object file
diff -urN lzma2200/CPP/Build.mak lzma2200.new/CPP/Build.mak
--- lzma2200/CPP/Build.mak	2021-04-29 16:41:29.000000000 +0800
+++ lzma2200.new/CPP/Build.mak	2023-08-28 15:22:02.076373871 +0800
@@ -56,7 +56,6 @@
 !IF "$(CC)" == "clang-cl"
 
 CFLAGS = $(CFLAGS) \
-  -Werror \
   -Wextra \
   -Wall \
   -Weverything \
