android hints: Always define d_libname_unique

[perl5.git] / hints / darwin.sh

diff --git a/hints/darwin.sh b/hints/darwin.sh
index 6cb9bd1..f9b697b 100644 (file)
--- a/hints/darwin.sh
+++ b/hints/darwin.sh
@@ -13,11 +13,16 @@ perl_version=`awk '/define[         ]+PERL_VERSION/ {print $3}' $src/patchlevel.h`
 perl_subversion=`awk '/define[         ]+PERL_SUBVERSION/ {print $3}' $src/patchlevel.h`
 version="${perl_revision}.${perl_version}.${perl_subversion}"
 
-# Pretend that Darwin doesn't know about those system calls [perl #24122]
-d_setregid='undef'
-d_setreuid='undef'
-d_setrgid='undef'
-d_setruid='undef'
+# Pretend that Darwin doesn't know about those system calls in Tiger
+# (10.4/darwin 8) and earlier [perl #24122]
+case "$osvers" in
+[1-8].*)
+    d_setregid='undef'
+    d_setreuid='undef'
+    d_setrgid='undef'
+    d_setruid='undef'
+    ;;
+esac
 
 # This was previously used in all but causes three cases
 # (no -Ddprefix=, -Dprefix=/usr, -Dprefix=/some/thing/else)
@@ -68,8 +73,10 @@ esac
 # Since we can build fat, the archname doesn't need the processor type
 archname='darwin';
 
-# nm works.
-usenm='true';
+# nm isn't known to work after Snow Leopard and XCode 4; testing with OS X 10.5
+# and Xcode 3 shows a working nm, but pretending it doesn't work produces no
+# problems.
+usenm='false';
 
 case "$optimize" in
 '')
@@ -121,11 +128,13 @@ case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in
 esac
 
 # Avoid Apple's cpp precompiler, better for extensions
-cppflags="${cppflags} -no-cpp-precomp"
+if [ "X`echo | ${cc} -no-cpp-precomp -E - 2>&1 >/dev/null`" = "X" ]; then
+    cppflags="${cppflags} -no-cpp-precomp"
 
-# This is necessary because perl's build system doesn't
-# apply cppflags to cc compile lines as it should.
-ccflags="${ccflags} ${cppflags}"
+    # This is necessary because perl's build system doesn't
+    # apply cppflags to cc compile lines as it should.
+    ccflags="${ccflags} ${cppflags}"
+fi
 
 # Known optimizer problems.
 case "`cc -v 2>&1`" in