[Buildroot] [PATCHv2 4/4] toolchain: instrument external toolchain wrapper
Yann E. MORIN
yann.morin.1998 at free.fr
Thu Jul 18 21:54:50 UTC 2013
From: "Yann E. MORIN" <yann.morin.1998 at free.fr>
If BR_DEBUG_WRAPPER is set in the envirnment, dump the actual command
being exec()uted, to ease debugging issues with the wrapper.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
Changes v1 -> v2:
- style fixes (Thomas)
---
toolchain/toolchain-external/ext-toolchain-wrapper.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/toolchain/toolchain-external/ext-toolchain-wrapper.c b/toolchain/toolchain-external/ext-toolchain-wrapper.c
index 460f255..8e56414 100644
--- a/toolchain/toolchain-external/ext-toolchain-wrapper.c
+++ b/toolchain/toolchain-external/ext-toolchain-wrapper.c
@@ -136,6 +136,14 @@ int main(int argc, char **argv)
/* finish with NULL termination */
*cur = NULL;
+ if( getenv("BR_DEBUG_WRAPPER") ) {
+ fprintf( stderr, "path='%s'\n", path );
+ int i;
+ for( i=0; args[i]; i++ ) {
+ fprintf(stderr, "argv[%d]='%s'\n", i, args[i] );
+ }
+ }
+
if (execv(path, args))
perror(path);
--
1.8.1.2
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