diff options
Diffstat (limited to 'meta/recipes-devtools/flex/flex/avoid-FORTIFY-warnings.patch')
-rw-r--r-- | meta/recipes-devtools/flex/flex/avoid-FORTIFY-warnings.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/meta/recipes-devtools/flex/flex/avoid-FORTIFY-warnings.patch b/meta/recipes-devtools/flex/flex/avoid-FORTIFY-warnings.patch new file mode 100644 index 0000000000..c71eb82792 --- /dev/null +++ b/meta/recipes-devtools/flex/flex/avoid-FORTIFY-warnings.patch @@ -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 + |