Merge pull request #1007 from mikesep/aix

Support for AIX

7 files changed, 31 insertions, 4 deletions

diff --git a/src/build_log.cc b/src/build_log.cc
index 589c6da..8a52514 100644
--- a/src/build_log.cc
+++ b/src/build_log.cc
@@ -12,6 +12,14 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// On AIX, inttypes.h gets indirectly included by build_log.h.
+// It's easiest just to ask for the printf format macros right away.
+#ifndef _WIN32
+#ifndef __STDC_FORMAT_MACROS
+#define __STDC_FORMAT_MACROS
+#endif
+#endif
+
 #include "build_log.h"
 
 #include <errno.h>
@@ -19,9 +27,6 @@
 #include <string.h>
 
 #ifndef _WIN32
-#ifndef __STDC_FORMAT_MACROS
-#define __STDC_FORMAT_MACROS
-#endif
 #include <inttypes.h>
 #include <unistd.h>
 #endif
diff --git a/src/getopt.c b/src/getopt.c
index 3350fb9..0c2ef35 100644
--- a/src/getopt.c
+++ b/src/getopt.c
@@ -385,11 +385,13 @@ getopt_internal (int argc, char **argv, char *shortopts,
     return optopt;
 }
 
+#ifndef _AIX
 int
 getopt (int argc, char **argv, char *optstring)
 {
   return getopt_internal (argc, argv, optstring, NULL, NULL, 0);
 }
+#endif
 
 int
 getopt_long (int argc, char **argv, const char *shortopts,
diff --git a/src/getopt.h b/src/getopt.h
index b4247fb..965dc29 100644
--- a/src/getopt.h
+++ b/src/getopt.h
@@ -39,7 +39,9 @@ extern "C"
   extern int optopt;
 
   /* function prototypes */
+#ifndef _AIX
   int getopt (int argc, char **argv, char *optstring);
+#endif
   int getopt_long (int argc, char **argv, const char *shortopts,
                    const GETOPT_LONG_OPTION_T * longopts, int *longind);
   int getopt_long_only (int argc, char **argv, const char *shortopts,
diff --git a/src/inline.sh b/src/inline.sh
index 5acc17b..fa282fa 100755
--- a/src/inline.sh
+++ b/src/inline.sh
@@ -20,6 +20,6 @@
 
 varname="$1"
 echo "const char $varname[] ="
-od -t x1 -A n -v | sed -e 's| ||g; s|..|\\x&|g; s|^|"|; s|$|"|'
+od -t x1 -A n -v | sed -e 's|[ \t]||g; s|..|\\x&|g; s|^|"|; s|$|"|'
 echo ";"
 
diff --git a/src/ninja.cc b/src/ninja.cc
index fe4a580..21dede6 100644
--- a/src/ninja.cc
+++ b/src/ninja.cc
@@ -22,6 +22,9 @@
 #include "getopt.h"
 #include <direct.h>
 #include <windows.h>
+#elif defined(_AIX)
+#include "getopt.h"
+#include <unistd.h>
 #else
 #include <getopt.h>
 #include <unistd.h>
diff --git a/src/ninja_test.cc b/src/ninja_test.cc
index 54d8784..11087b6 100644
--- a/src/ninja_test.cc
+++ b/src/ninja_test.cc
@@ -17,6 +17,9 @@
 
 #ifdef _WIN32
 #include "getopt.h"
+#elif defined(_AIX)
+#include "getopt.h"
+#include <unistd.h>
 #else
 #include <getopt.h>
 #endif
diff --git a/src/util.cc b/src/util.cc
index aa47f2f..d150fe2 100644
--- a/src/util.cc
+++ b/src/util.cc
@@ -45,6 +45,8 @@
 #elif defined(__SVR4) && defined(__sun)
 #include <unistd.h>
 #include <sys/loadavg.h>
+#elif defined(_AIX)
+#include <libperfstat.h>
 #elif defined(linux) || defined(__GLIBC__)
 #include <sys/sysinfo.h>
 #endif
@@ -573,6 +575,16 @@ double GetLoadAverage() {
 
   return posix_compatible_load;
 }
+#elif defined(_AIX)
+double GetLoadAverage() {
+  perfstat_cpu_total_t cpu_stats;
+  if (perfstat_cpu_total(NULL, &cpu_stats, sizeof(cpu_stats), 1) < 0) {
+    return -0.0f;
+  }
+
+  // Calculation taken from comment in libperfstats.h
+  return double(cpu_stats.loadavg[0]) / double(1 << SBITS);
+}
 #else
 double GetLoadAverage() {
   double loadavg[3] = { 0.0f, 0.0f, 0.0f };