Add separate debug and release configurations in gyp files

Disable optimizations in debug mode. Use that for specs.

project.gyp

@@ -2,6 +2,7 @@
   'targets': [
     {
       'target_name': 'compiler',
+
       'type': 'static_library',
       'include_dirs': [
         'include',
@@ -117,11 +118,26 @@
   ],
 
   'target_defaults': {
+    'default_configuration': 'Release',
+    'configurations': {
+      'Debug': {
+        'cflags': [ '-g', '-O0' ],
+        'xcode_settings': {
+          'GCC_OPTIMIZATION_LEVEL': '0',
+        },
+      },
+      'Release': {
+        'cflags': [ '-O2', '-fno-strict-aliasing' ],
+        'cflags!': [ '-O3', '-fstrict-aliasing' ],
+      },
+    },
+
     'cflags': [
       '-Wall',
       '-Wextra',
       '-Wno-unused-parameter'
     ],
+
     'xcode_settings': {
       'ALWAYS_SEARCH_USER_PATHS': 'NO',
       'WARNING_CFLAGS': [

script/util/run_tests.sh

@@ -23,7 +23,7 @@ function run_tests {
   local mode=normal
   local args=()
   local target=$1
-  local cmd="out/Default/${target}"
+  local cmd="out/Debug/${target}"
   shift
 
   while getopts "df:ghv" option; do
@@ -47,7 +47,7 @@ function run_tests {
     esac
   done
 
-  make $target
+  BUILDTYPE=Debug make $target
   args=${args:-""}
 
   case ${mode} in

tests.gyp

@@ -46,7 +46,12 @@
   ],
 
   'target_defaults': {
+    'default_configuration': 'Debug',
+    'configurations': {'Debug': {}},
+
     'cflags': [
+      '-g',
+      '-O0',
       '-Wall',
       '-Wextra',
       '-Wno-unused-parameter',
@@ -58,6 +63,7 @@
     'cflags_cc': [
       '-std=c++0x',
     ],
+
     'xcode_settings': {
       'CLANG_CXX_LANGUAGE_STANDARD': 'c++11',
       'ALWAYS_SEARCH_USER_PATHS': 'NO',