X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Fdarwin.sh;h=d5e27a593e9e38d5136695e71352965952787b30;hb=8f4f83badb7d1ba9fbdc45673bc7277e7619b775;hp=bf5e487751b6c54a6ab1972a61c18886c90d6b4a;hpb=437cf18808fc508c7e03cae0f2d2beec3d718651;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/hints/darwin.sh b/hints/darwin.sh
index bf5e487..d5e27a5 100644
--- a/hints/darwin.sh
+++ b/hints/darwin.sh
@@ -8,19 +8,33 @@
 ##
 
 # 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
+'')
+	# Default install; use non-system directories
+	prefix='/usr/local'; # Built-in perl uses /usr
+	siteprefix='/usr/local';
+	vendorprefix='/usr/local'; usevendorprefix='define';
+
+	# Where to put modules.
+	privlib='/Library/Perl'; # Built-in perl uses /System/Library/Perl
+	sitelib='/Library/Perl';
+	vendorlib='/Network/Library/Perl';
+	;;
+'/usr')
+	# We are building/replacing the built-in perl
+	siteprefix='/usr/local';
+	vendorprefix='/usr/local'; usevendorprefix='define';
+
+	# Where to put modules.
+	privlib='/System/Library/Perl';
+	sitelib='/Library/Perl';
+	vendorlib='/Network/Library/Perl';
+	;;
+esac
+
+# 4BSD uses ${prefix}/share/man, not ${prefix}/man.
+man1dir="${prefix}/share/man/man1";
+man3dir="${prefix}/share/man/man3";
 
 ##
 # Tool chain settings
@@ -32,17 +46,41 @@ archname='darwin';
 # nm works.
 usenm='true';
 
-# Libc is in libsystem.
-libc='/System/Library/Frameworks/System.framework/System';
-
 # Optimize.
-optimize='-O3';
-
-# We have a prototype for telldir.
-ccflags="${ccflags} -pipe -fno-common -DHAS_TELLDIR_PROTOTYPE";
-
-# For Errno.
-cppflags='-traditional-cpp';
+if [ "x$optimize" = 'x' ]; then
+    optimize='-O3'
+fi
+
+# -pipe: makes compilation go faster.
+# -fno-common: we don't like commons.  Common symbols are not allowed
+# in MH_DYLIB binaries, which is what libperl.dylib is.  You will fail
+# to link without that option, unless you otherwise eliminate all commons
+# by, for example, initializing all globals.
+# --Fred Sánchez
+ccflags="${ccflags} -pipe -fno-common"
+
+# At least on Darwin 1.3.x:
+#
+# # define INT32_MIN -2147483648
+# int main () {
+#  double a = INT32_MIN;
+#  printf ("INT32_MIN=%g\n", a);
+#  return 0;
+# }
+# will output:
+# INT32_MIN=2.14748e+09
+# Note that the INT32_MIN has become positive.
+# INT32_MIN is set in /usr/include/stdint.h by:
+# #define INT32_MIN        -2147483648
+# which seems to break the gcc.  Defining INT32_MIN as (-2147483647-1)
+# seems to work.  INT64_MIN seems to be similarly broken.
+# -- Nicholas Clark, Ken Williams, and Edward Moy
+#
+ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN"
+
+# cppflags='-traditional-cpp';
+# avoid Apple's cpp precompiler, better for extensions
+cppflags="${cppflags} -no-cpp-precomp"
 
 # Shared library extension is .dylib.
 # Bundle extension is .bundle.
@@ -51,6 +89,13 @@ so='dylib';
 dlext='bundle';
 dlsrc='dl_dyld.xs'; usedl='define';
 cccdlflags=' '; # space, not empty, because otherwise we get -fpic
+# ldflag: -flat_namespace is only available since OS X 10.1 (Darwin 1.4.1)
+#    - but not in 10.0.x (Darwin 1.3.x)
+# -- Kay Roepke
+case "$osvers" in
+1.[0-3].*)	;;
+*)		ldflags="${ldflags} -flat_namespace" ;;
+esac
 lddlflags="${ldflags} -bundle -undefined suppress";
 ldlibpthname='DYLD_LIBRARY_PATH';
 useshrplib='true';
@@ -71,8 +116,26 @@ usemymalloc='n';
 
 # Locales aren't feeling well.
 LC_ALL=C; export LC_ALL;
+LANG=C; export LANG;
 
-# 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;
 
+#
+# The libraries are not threadsafe as of OS X 10.1.
+# Better stop now.
+#
+# Fix when Apple fixes libc.
+#
+case "$usethreads$useithreads$use5005threads" in
+*define*)
+cat <<EOM >&4
+
+*** You do not have threadsafe libraries, I cannot use threads.
+*** Cannot continue, aborting.
+EOM
+	exit 1
+	;;
+esac