optimize='-O3'
fi
-# XXX Unclear why we require -pipe and -fno-common here. --Andy Dougherty
-# We don't like commons. --Fred Sánchez
+# -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="${ccflags} -pipe -fno-common"
# At least on Darwin 1.3.x:
#
ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN"
-# cpp-precomp is problematic.
-cppflags='-traditional-cpp';
+# cppflags='-traditional-cpp';
+# avoid Apple's cpp precompiler, better for extensions
+cppflags="${cppflags} -no-cpp-precomp"
+# and ccflags needs them aswell since we don't use cpp directly
+ccflags="${ccflags} -no-cpp-precomp"
+
+# Known optimizer problems.
+case "`cc -v 2>&1`" in
+*"3.1 20020105"*) toke_cflags='optimize=""' ;;
+esac
# Shared library extension is .dylib.
# Bundle extension is .bundle.
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="${ldflags} -bundle -undefined suppress";
ldlibpthname='DYLD_LIBRARY_PATH';
useshrplib='true';
# Locales aren't feeling well.
LC_ALL=C; export LC_ALL;
+LANG=C; export LANG;
# Case-insensitive filesystems don't get along with Makefile and
# makefile in the same place. Since Darwin uses GNU make, this dodges
# the problem.
firstmakefile=GNUmakefile;
+
+#
+# The libraries are not threadsafe as of OS X 10.1.
+#
+# Fix when Apple fixes libc.
+#
+case "$usethreads$useithreads$use5005threads" in
+*define*)
+cat <<EOM >&4
+
+*** Warning, there might be problems with your libraries with
+*** regards to threading. The test ext/threads/t/libc.t is likely
+*** to fail.
+
+EOM
+ ;;
+esac