AIX tweak from Merijn Brand.

[perl5.git] / hints / darwin.sh

diff --git a/hints/darwin.sh b/hints/darwin.sh
index 8f3bb06..9ff2747 100644 (file)
--- a/hints/darwin.sh
+++ b/hints/darwin.sh
@@ -1,6 +1,6 @@
 ##
 # Darwin (Mac OS) hints
-# Wilfredo Sanchez <wsanchez@apple.com>
+# Wilfredo Sanchez <wsanchez@mit.edu>
 ##
 
 ##
@@ -8,19 +8,24 @@
 ##
 
 # BSD paths
-prefix='/usr';
-siteprefix='/usr/local';
-vendorprefix='/usr/local'; usevendorprefix='define';
-
-# 4BSD uses /usr/share/man, not /usr/man.
-# Don't put man pages in /usr/lib; that's goofy.
-man1dir='/usr/share/man/man1';
-man3dir='/usr/share/man/man3';
-
-# Where to put modules.
-privlib='/System/Library/Perl';
-sitelib='/Local/Library/Perl';
-vendorlib='/Network/Library/Perl';
+case "$prefix" in
+'')    
+       prefix='/usr/local'; # Built-in perl uses /usr
+       siteprefix='/usr/local';
+       vendorprefix='/usr/local'; usevendorprefix='define';
+
+       # 4BSD uses ${prefix}/share/man, not ${prefix}/man.
+       # Don't put man pages in ${prefix}/lib; that's goofy.
+       man1dir="${prefix}/share/man/man1";
+       man3dir="${prefix}/share/man/man3";
+
+       # Where to put modules.
+       # Built-in perl uses /System/Library/Perl
+       privlib='/Library/Perl';
+       sitelib='/Library/Perl';
+       vendorlib='/Network/Library/Perl';
+       ;;
+esac
 
 ##
 # Tool chain settings
@@ -33,7 +38,7 @@ archname='darwin';
 usenm='true';
 
 # Libc is in libsystem.
-libc='/System/Library/Frameworks/System.framework/System';
+#libc='/usr/lib/libSystem.dylib';
 
 # Optimize.
 optimize='-O3';
@@ -41,7 +46,26 @@ optimize='-O3';
 # We have a prototype for telldir.
 ccflags="${ccflags} -pipe -fno-common -DHAS_TELLDIR_PROTOTYPE";
 
-# For Errno.
+# At least on Darwin 1.3.x:
+#
+# # define INT32_MIN -2147483648
+# int main () {
+#  double a = INT32_MIN;
+#  printf ("INT32_MIN=%g\n", a);
+#  return 0;
+# }
+# will output:
+# INT32_MIN=2.14748e+09
+# Note that the INT32_MIN has become positive.
+# INT32_MIN is set in /usr/include/stdint.h by:
+# #define INT32_MIN        -2147483648
+# which seems to break the gcc.  Defining INT32_MIN as (-2147483647-1)
+# seems to work.  INT64_MIN seems to be similarly broken.
+# -- Nicholas Clark, Ken Williams, and Edward Moy
+#
+ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN"
+
+# cpp-precomp is problematic.
 cppflags='-traditional-cpp';
 
 # Shared library extension is .dylib.
@@ -72,7 +96,7 @@ usemymalloc='n';
 # Locales aren't feeling well.
 LC_ALL=C; export LC_ALL;
 
-# The HFS+ will throw "make depend" into confusion since
-# Makefile and makefile are the same.
+# Case-insensitive filesystems don't get along with Makefile and
+# makefile in the same place.  Since Darwin uses GNU make, this dodges
+# the problem.
 firstmakefile=GNUmakefile;
-