change `asm` to `__asm__` to support cc's `--std=c99` flag (from issue https://github.com/hnes/libaco/issues/16, proposed by Theo Schlossnagle @postwait)

.travis.yml

@@ -16,6 +16,7 @@ script:
     - if [ "$TRAVIS_OS_NAME" = "osx" ] ; then brew install gnu-sed --with-default-names; fi
     - if [ "$TRAVIS_OS_NAME" = "linux" ] ; then sudo apt-get install -qq -y libreadline-dev libncurses5-dev libpcre3-dev libssl-dev perl make build-essential valgrind gcc-multilib g++-multilib libc6-dbg libc6-dbg:i386 ; fi
     - date
+    - export EXTRA_CFLAGS=""
     - echo ""
     - bash test.sh version_check=1.2.3
     - echo ""
@@ -26,6 +27,16 @@ script:
     - mkdir output ; bash make.sh -o no-valgrind ; ls output ; ls output | wc -l ; cd output ; bash ../test.sh ; cd .. ; rm -fr output
     - echo ""
     - if [ "$TRAVIS_OS_NAME" = "linux" ] ; then mkdir output ; bash make.sh -o no-valgrind -o no-m32 ; ls output ; ls output | wc -l ; cd output ; bash ../test.sh ; cd .. ; rm -fr output; fi
+    - echo ""
+    - export EXTRA_CFLAGS="--std=c99"
+    - echo ""
+    - if [ "$TRAVIS_OS_NAME" = "linux" ] ; then mkdir output ; bash make.sh ; ls output ; ls output | wc -l ; cd output ; bash ../test.sh ; cd .. ; rm -fr output; fi
+    - echo ""
+    - if [ "$TRAVIS_OS_NAME" = "linux" ] ; then mkdir output ; bash make.sh -o no-m32 ; ls output ; ls output | wc -l ; cd output ; bash ../test.sh ; cd .. ; rm -fr output; fi
+    - echo ""
+    - mkdir output ; bash make.sh -o no-valgrind ; ls output ; ls output | wc -l ; cd output ; bash ../test.sh ; cd .. ; rm -fr output
+    - echo ""
+    - if [ "$TRAVIS_OS_NAME" = "linux" ] ; then mkdir output ; bash make.sh -o no-valgrind -o no-m32 ; ls output ; ls output | wc -l ; cd output ; bash ../test.sh ; cd .. ; rm -fr output; fi
     - echo "" ; date
 
 matrix:

aco.c

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#define _GNU_SOURCE
+
 #include "aco.h"
 #include <stdio.h>
 #include <stdint.h>

aco.h

@@ -159,11 +159,11 @@ extern void aco_runtime_test(void);
 
 extern void aco_thread_init(aco_cofuncp_t last_word_co_fp);
 
-extern void* acosw(aco_t* from_co, aco_t* to_co) asm("acosw"); // asm
+extern void* acosw(aco_t* from_co, aco_t* to_co) __asm__("acosw"); // asm
 
-extern void aco_save_fpucw_mxcsr(void* p) asm("aco_save_fpucw_mxcsr");  // asm
+extern void aco_save_fpucw_mxcsr(void* p) __asm__("aco_save_fpucw_mxcsr");  // asm
 
-extern void aco_funcp_protector_asm(void) asm("aco_funcp_protector_asm"); // asm
+extern void aco_funcp_protector_asm(void) __asm__("aco_funcp_protector_asm"); // asm
 
 extern void aco_funcp_protector(void);
 

make.sh

@@ -14,7 +14,7 @@
 
 OUTPUT_DIR="./output"
 CFLAGS="-g -O2 -Wall -Werror"
-EXTRA_CFLAGS=""
+#EXTRA_CFLAGS=""
 OUTPUT_SUFFIX=""
 makecc="cc"
 if [ "$CC" ]
@@ -74,6 +74,7 @@ function build_f(){
     echo "OUTPUT_DIR:       $OUTPUT_DIR"
     echo "CFLAGS:           $CFLAGS"
     echo "EXTRA_CFLAGS:     $EXTRA_CFLAGS"
+    echo "ACO_EXTRA_CFLAGS: $ACO_EXTRA_CFLAGS"
     echo "OUTPUT_SUFFIX:    $OUTPUT_SUFFIX"
     echo "$app_list" | grep -Po '.+$' | while read read_in
     do
@@ -84,7 +85,7 @@ function build_f(){
             continue  
         fi
         #echo "<$file>:<$cflags>:$OUTPUT_DIR:$CFLAGS:$EXTRA_CFLAGS:$OUTPUT_SUFFIX"
-        build_cmd="$makecc $CFLAGS $EXTRA_CFLAGS acosw.S aco.c $file.c $cflags -o $OUTPUT_DIR/$file$OUTPUT_SUFFIX"
+        build_cmd="$makecc $CFLAGS $ACO_EXTRA_CFLAGS $EXTRA_CFLAGS acosw.S aco.c $file.c $cflags -o $OUTPUT_DIR/$file$OUTPUT_SUFFIX"
         skip_flag=""
         if [ "$gl_opt_no_m32" ]
         then
@@ -182,18 +183,18 @@ tra "echo;echo build has been interrupted"
 # the matrix of the build config for later testing
 # -m32 -DACO_CONFIG_SHARE_FPU_MXCSR_ENV -DACO_USE_VALGRIND
 # 0 0 0
-EXTRA_CFLAGS="" OUTPUT_SUFFIX="..no_valgrind.standaloneFPUenv" build_f
+ACO_EXTRA_CFLAGS="" OUTPUT_SUFFIX="..no_valgrind.standaloneFPUenv" build_f
 # 0 0 1
-EXTRA_CFLAGS="-DACO_USE_VALGRIND" OUTPUT_SUFFIX="..valgrind.standaloneFPUenv" build_f
+ACO_EXTRA_CFLAGS="-DACO_USE_VALGRIND" OUTPUT_SUFFIX="..valgrind.standaloneFPUenv" build_f
 # 0 1 0
-EXTRA_CFLAGS="-DACO_CONFIG_SHARE_FPU_MXCSR_ENV" OUTPUT_SUFFIX="..no_valgrind.shareFPUenv" build_f
+ACO_EXTRA_CFLAGS="-DACO_CONFIG_SHARE_FPU_MXCSR_ENV" OUTPUT_SUFFIX="..no_valgrind.shareFPUenv" build_f
 # 0 1 1
-EXTRA_CFLAGS="-DACO_CONFIG_SHARE_FPU_MXCSR_ENV -DACO_USE_VALGRIND" OUTPUT_SUFFIX="..valgrind.shareFPUenv" build_f
+ACO_EXTRA_CFLAGS="-DACO_CONFIG_SHARE_FPU_MXCSR_ENV -DACO_USE_VALGRIND" OUTPUT_SUFFIX="..valgrind.shareFPUenv" build_f
 # 1 0 0
-EXTRA_CFLAGS="-m32" OUTPUT_SUFFIX="..m32.no_valgrind.standaloneFPUenv" build_f
+ACO_EXTRA_CFLAGS="-m32" OUTPUT_SUFFIX="..m32.no_valgrind.standaloneFPUenv" build_f
 # 1 0 1
-EXTRA_CFLAGS="-m32 -DACO_USE_VALGRIND" OUTPUT_SUFFIX="..m32.valgrind.standaloneFPUenv" build_f
+ACO_EXTRA_CFLAGS="-m32 -DACO_USE_VALGRIND" OUTPUT_SUFFIX="..m32.valgrind.standaloneFPUenv" build_f
 # 1 1 0
-EXTRA_CFLAGS="-m32 -DACO_CONFIG_SHARE_FPU_MXCSR_ENV" OUTPUT_SUFFIX="..m32.no_valgrind.shareFPUenv" build_f
+ACO_EXTRA_CFLAGS="-m32 -DACO_CONFIG_SHARE_FPU_MXCSR_ENV" OUTPUT_SUFFIX="..m32.no_valgrind.shareFPUenv" build_f
 # 1 1 1
-EXTRA_CFLAGS="-m32 -DACO_CONFIG_SHARE_FPU_MXCSR_ENV -DACO_USE_VALGRIND" OUTPUT_SUFFIX="..m32.valgrind.shareFPUenv" build_f
+ACO_EXTRA_CFLAGS="-m32 -DACO_CONFIG_SHARE_FPU_MXCSR_ENV -DACO_USE_VALGRIND" OUTPUT_SUFFIX="..m32.valgrind.shareFPUenv" build_f

test_aco_benchmark.c

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#define _GNU_SOURCE
+
 #include "aco.h"    
 #include <alloca.h>
 #include <stdlib.h>