From 2df290073b04de51b699e58dde943afaeb0757dc Mon Sep 17 00:00:00 2001
From: seyko <seyko2@gmail.com>
Date: Mon, 27 Apr 2015 15:25:49 +0300
Subject: preprocess: "assign PARSE_FLAG_ASM_COMMENTS only for asm files"

    resolve a problem with the following test.c program, tcc -E test.c

    #ifdef	_XOPEN_SOURCE
    # define __USE_XOPEN	1
    # if (_XOPEN_SOURCE - 0) >= 500
    #  define __USE_XOPEN_EXTENDED	1
    #  define __USE_UNIX98	1
    #  undef _LARGEFILE_SOURCE
    #  define _LARGEFILE_SOURCE	1
    #  if (_XOPEN_SOURCE - 0) >= 600
    #   define __USE_XOPEN2K	1
    #   undef __USE_ISOC99
    #   define __USE_ISOC99		1
    #  endif
    # else
    #  ifdef _XOPEN_SOURCE_EXTENDED
    #   define __USE_XOPEN_EXTENDED	1
    #  endif
    # endif
    #endif

    int main() {}

    // # 17 "aaa.c"
    // aaa.c:17: error: #endif without matching #if
---
 libtcc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libtcc.c')

diff --git a/libtcc.c b/libtcc.c
index 90dd185..abef9c8 100644
--- a/libtcc.c
+++ b/libtcc.c
@@ -1166,7 +1166,7 @@ ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags,
     /* if .S file, define __ASSEMBLER__ like gcc does */
     if ((filetype == TCC_FILETYPE_ASM) || (filetype == TCC_FILETYPE_ASM_PP)) {
         tcc_define_symbol(s1, "__ASSEMBLER__", NULL);
-        parse_flags = PARSE_FLAG_ASM_FILE;
+        parse_flags = PARSE_FLAG_ASM_FILE | PARSE_FLAG_ASM_COMMENTS;
     }
 #endif
 
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