The default Travis gcc is so old it default to -std=gnu89 which will
fall over on some c99ism you are allowed to use in the QEMU source
tree. As we also use some GNU extensions make it -std=gnu99 instead of
-std=c99.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 95be6ec59f..9c61750be0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -72,7 +72,7 @@ before_install:
   - git submodule update --init --recursive capstone dtc ui/keycodemapdb
 before_script:
   - mkdir -p ${BUILD_DIR} && cd ${BUILD_DIR}
-  - ${SRC_DIR}/configure ${CONFIG} || { cat config.log && exit 1; }
+  - ${SRC_DIR}/configure ${CONFIG} --extra-cflags=-std=gnu99 || { cat config.log && exit 1; }
 script:
   - make ${MAKEFLAGS} && ${TEST_CMD}
 matrix:
-- 
2.17.1

On 08/10/2018 02:11 PM, Alex Bennée wrote:
> The default Travis gcc is so old it default to -std=gnu89 which will
> fall over on some c99ism you are allowed to use in the QEMU source
> tree. As we also use some GNU extensions make it -std=gnu99 instead of
> -std=c99.
> 
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

> ---
>  .travis.yml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/.travis.yml b/.travis.yml
> index 95be6ec59f..9c61750be0 100644
> --- a/.travis.yml
> +++ b/.travis.yml
> @@ -72,7 +72,7 @@ before_install:
>    - git submodule update --init --recursive capstone dtc ui/keycodemapdb
>  before_script:
>    - mkdir -p ${BUILD_DIR} && cd ${BUILD_DIR}
> -  - ${SRC_DIR}/configure ${CONFIG} || { cat config.log && exit 1; }
> +  - ${SRC_DIR}/configure ${CONFIG} --extra-cflags=-std=gnu99 || { cat config.log && exit 1; }
>  script:
>    - make ${MAKEFLAGS} && ${TEST_CMD}
>  matrix:
>