Backport PR #12548: undef _XOPEN_SOURCE breaks the build in AIX

dopplershift · MeeseeksDev[bot] · commit 9aa6c4a8989a · 2018-10-24T17:05:03.000Z
diff --git a/extern/ttconv/pprdrv_tt.cpp b/extern/ttconv/pprdrv_tt.cpp
@@ -34,9 +34,11 @@
 #ifdef _POSIX_C_SOURCE
 #    undef _POSIX_C_SOURCE
 #endif
+#ifndef _AIX
 #ifdef _XOPEN_SOURCE
 #    undef _XOPEN_SOURCE
 #endif
+#endif
 #include <Python.h>
 
 /*==========================================================================
diff --git a/src/_png.cpp b/src/_png.cpp
@@ -16,9 +16,11 @@ extern "C" {
 #   ifdef _POSIX_C_SOURCE
 #       undef _POSIX_C_SOURCE
 #   endif
+#   ifndef _AIX
 #   ifdef _XOPEN_SOURCE
 #       undef _XOPEN_SOURCE
 #   endif
+#   endif
 }
 
 #include "numpy_cpp.h"
diff --git a/src/mplutils.h b/src/mplutils.h
@@ -14,9 +14,11 @@ typedef unsigned __int8   uint8_t;
 #ifdef _POSIX_C_SOURCE
 #    undef _POSIX_C_SOURCE
 #endif
+#ifndef _AIX
 #ifdef _XOPEN_SOURCE
 #    undef _XOPEN_SOURCE
 #endif
+#endif
 
 // Prevent multiple conflicting definitions of swab from stdlib.h and unistd.h
 #if defined(__sun) || defined(sun)
diff --git a/src/numpy_cpp.h b/src/numpy_cpp.h
@@ -21,9 +21,11 @@
 #ifdef _POSIX_C_SOURCE
 #    undef _POSIX_C_SOURCE
 #endif
+#ifndef _AIX
 #ifdef _XOPEN_SOURCE
 #    undef _XOPEN_SOURCE
 #endif
+#endif
 
 // Prevent multiple conflicting definitions of swab from stdlib.h and unistd.h
 #if defined(__sun) || defined(sun)
