mirrors/poky
1
0
Fork 0
mirror of https://git.yoctoproject.org/poky synced 2026-04-27 21:32:13 +02:00
Code Issues Packages Projects Releases Wiki Activity

flex: backport Debian patches to fix generated code warnings

Browse Source 
The generated parser had warnings regarding signess and return check
which makes Linux Kernel's perf tool from 3.4 release to fail without
those patches.

(From OE-Core rev: f3d7197252d1ede627a561fbd5b3b7fb759bf75b)

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Otavio Salvador
2012-04-11 03:19:52 +00:00
committed by Richard Purdie
parent a5afc58319
commit 5612bf3339
3 changed files with 105 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
meta/recipes-devtools/flex/flex/avoid-FORTIFY-warnings.patch Normal file
View File

@@ -0,0 +1,59 @@
Wrap ECHO macro to avoid FORTIFY warnings
This change will enable flex scanners to be compiled with
-D_FORTIFY_SOURCE=2.
Signed-off-by: Manoj Srivastava <srivasta@debian.org>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Origin: Cherry picked from Debian
Upstream-Status: Pending
---
flex.skl | 2 +-
scan.c | 2 +-
skel.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/flex.skl b/flex.skl
index 6ebf2fd..eaa355e 100644
--- a/flex.skl
+++ b/flex.skl
@@ -1074,7 +1074,7 @@ m4_ifdef( [[M4_YY_NOT_IN_HEADER]],
/* This used to be an fputs(), but since the string might contain NUL's,
* we now use fwrite().
*/
-#define ECHO fwrite( yytext, yyleng, 1, yyout )
+#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
%endif
%if-c++-only C++ definition
#define ECHO LexerOutput( yytext, yyleng )
diff --git a/scan.c b/scan.c
index d7f5db3..1a079bf 100644
--- a/scan.c
+++ b/scan.c
@@ -2093,7 +2093,7 @@ static int input (void );
/* This used to be an fputs(), but since the string might contain NUL's,
* we now use fwrite().
*/
-#define ECHO fwrite( yytext, yyleng, 1, yyout )
+#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
#endif
/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
diff --git a/skel.c b/skel.c
index ee9f6ef..b8a2b4b 100644
--- a/skel.c
+++ b/skel.c
@@ -1141,7 +1141,7 @@ const char *skel[] = {
"/* This used to be an fputs(), but since the string might contain NUL's,",
" * we now use fwrite().",
" */",
- "#define ECHO fwrite( yytext, yyleng, 1, yyout )",
+ "#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)",
"%endif",
"%if-c++-only C++ definition",
"#define ECHO LexerOutput( yytext, yyleng )",
--
1.7.9.5