[LTP] [PATCH] pan/scan.l: Fix a building error (resend)

[LTP] [PATCH] pan/scan.l: Fix a building error (resend)

[Peng Haitao]

Hi Garrett,

When compiling the ltp source, it will error. The error messages are:

...
flex -l -t scan.l > scan.c
gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall  -Wno-error -I/home/pht/ltp-dev/pan -I../include -I../include  -c -o scan.o scan.c
scan.l: In function ‘yylex’:
scan.l:153: error: ‘yylineno’ undeclared (first use in this function)
scan.l:153: error: (Each undeclared identifier is reported only once
scan.l:153: error: for each function it appears in.)
make: *** [scan.o] Error 1
rm scan.c

"%option nolex-compat" can silence warning, but also make the global
variable "yylineno" undeclared. The following patch add "%option yylineno"
to make the global variable "yylineno" to be accessed.

Signed-off-by: Peng Haitao <penght@cn.fujitsu.com>
---
 pan/scan.l |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/pan/scan.l b/pan/scan.l
index 9696531..cc47bdf 100644
--- a/pan/scan.l
+++ b/pan/scan.l
@@ -91,6 +91,7 @@ static int check_mode(int, int, ...);
 %option noinput
 %option nolex-compat
 %option nounput
+%option yylineno
 
 UI      [0-9]+
 A       [a-zA-Z]+
-- 
1.7.3.1

-- 
Best Regards,
Peng Haitao











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Re: [LTP] [PATCH] pan/scan.l: Fix a building error (resend)

[Garrett Cooper]

Please submit an autoconf-worthy testcase. That shouldn't be too hard to do (AC_TRY_RUN is your friend :).).



On Feb 21, 2011, at 1:14 AM, Peng Haitao wrote:

> Hi Garrett,
> 
> When compiling the ltp source, it will error. The error messages are:
> 
> ...
> flex -l -t scan.l > scan.c
> gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall  -Wno-error -I/home/pht/ltp-dev/pan -I../include -I../include  -c -o scan.o scan.c
> scan.l: In function ‘yylex’:
> scan.l:153: error: ‘yylineno’ undeclared (first use in this function)
> scan.l:153: error: (Each undeclared identifier is reported only once
> scan.l:153: error: for each function it appears in.)
> make: *** [scan.o] Error 1
> rm scan.c
> 
> "%option nolex-compat" can silence warning, but also make the global
> variable "yylineno" undeclared. The following patch add "%option yylineno"
> to make the global variable "yylineno" to be accessed.
> 
> Signed-off-by: Peng Haitao <penght@cn.fujitsu.com>
> ---
> pan/scan.l |    1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/pan/scan.l b/pan/scan.l
> index 9696531..cc47bdf 100644
> --- a/pan/scan.l
> +++ b/pan/scan.l
> @@ -91,6 +91,7 @@ static int check_mode(int, int, ...);
> %option noinput
> %option nolex-compat
> %option nounput
> +%option yylineno
> 
> UI      [0-9]+
> A       [a-zA-Z]+
> -- 
> 1.7.3.1
> 
> -- 
> Best Regards,
> Peng Haitao
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 


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