Introduce PERL_BOOL_AS_CHAR define

This allows compilers that do support real booleans (C++ or anything
with stdbool.h) to emulate those that don’t.

See ticket #120314.

This patch incorporates suggestions from Craig Berry.

1 files changed, 7 insertions, 0 deletions

diff --git a/perl.h b/perl.h
index dc140bdfcf..0a8beda7d0 100644
--- a/perl.h
+++ b/perl.h
@@ -2298,6 +2298,13 @@ typedef SV PADNAME;
 # define PERL_SAWAMPERSAND
 #endif
 
+/* Include mach-o/dyld.h here for perl.c’s sake, since it may #define bool,
+   and handy.h needs to be able to re#define it under
+  -Accflags=-DPERL_BOOL_AS_CHAR. */
+#if defined(USE_NSGETEXECUTABLEPATH) && defined(PERL_IN_PERL_C)
+# include <mach-o/dyld.h>
+#endif
+
 #include "handy.h"
 
 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)