Check in the pristine copy of ICU 4.6...

icu46/source/config/mh-beos

+## -*-makefile-*-
+## BeOS-specific setup
+## Copyright (c) 2003-2006, International Business Machines Corporation and
+## others. All Rights Reserved.
+##
+## Original author: Andrew Bachmann
+
+## Commands to generate dependency files
+GEN_DEPS.c=  $(CC) -E -MM $(DEFS) $(CPPFLAGS)
+GEN_DEPS.cc= $(CXX) -E -MM $(DEFS) $(CPPFLAGS)
+
+# Safe optimizations
+#OPTIMIZATIONS= -fdefault-inline -fdefer-pop -fforce-mem -fforce-addr \
+#         -finline -finline-functions \
+#         -fkeep-inline-functions -fkeep-static-consts -fbranch-count-reg \
+#         -ffunction-cse -fstrength-reduce -fthread-jumps -fcse-follow-jumps \
+#         -fcse-skip-blocks -frerun-cse-after-loop -frerun-loop-opt \
+#         -fexpensive-optimizations -foptimize-register-move -fregmove \
+#         -fschedule-insns -fschedule-insns2 -ffloat-store -funroll-loops \
+#         -fmove-all-movables -freduce-all-givs -fpeephole \
+#         -funroll-all-loops -ffunction-sections -fdata-sections
+
+# BeOS gccs (geekgadgets + 2.95.3) have this old bug: 
+# after this:          const wchar_t x[] = L"foo";
+# x[2] is "optimized" into: (wchar_t)((char *)x)[2] (== 0)
+#
+# see also: http://gcc.gnu.org/ml/gcc-patches/2000-09/msg00454.html
+#
+# Unfortunately this behavior isn't controlled by a flag so we can't
+# use any O optimizations at all. (the behavior kicks in at -O1)
+
+# Optimizations aren't currently defined in the mh files.
+# So Don't override any flags set by the user or runConfigureICU.
+#CFLAGS += $(OPTIMIZATIONS)
+#CXXFLAGS += $(OPTIMIZATIONS)
+
+# Use -nostart instead of -shared
+SHLIB.c=      $(CC) $(DEFS) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -nostart
+SHLIB.cc=     $(CXX) $(DEFS) $(CPPFLAGS) $(CXXFLAGS) $(LDFLAGS) -nostart
+
+## Flags for position independent code
+SHAREDLIBCFLAGS = -fPIC
+SHAREDLIBCXXFLAGS = -fPIC
+SHAREDLIBCPPFLAGS = -DPIC
+
+## Additional flags when building libraries and with threads
+LIBCPPFLAGS = 
+THREADSCPPFLAGS = 
+
+## Compiler switch to embed a runtime search path
+LD_RPATH=       
+LD_RPATH_PRE = -Wl,-rpath,
+
+## Compiler switch to embed a library name
+LD_SONAME = -Wl,-soname -Wl,$(notdir $(MIDDLE_SO_TARGET))
+
+## Shared object suffix
+SO = so
+## Non-shared intermediate object suffix
+STATIC_O = ao
+
+## Compilation rules
+%.$(STATIC_O): $(srcdir)/%.c
+        $(COMPILE.c) $(STATICCPPFLAGS) $(STATICCFLAGS) -o $@ $<
+%.o: $(srcdir)/%.c
+        $(COMPILE.c) $(DYNAMICCPPFLAGS) $(DYNAMICCFLAGS) -o $@ $<
+
+%.$(STATIC_O): $(srcdir)/%.cpp
+        $(COMPILE.cc) $(STATICCPPFLAGS) $(STATICCXXFLAGS) -o $@ $<
+%.o: $(srcdir)/%.cpp
+        $(COMPILE.cc) $(DYNAMICCPPFLAGS) $(DYNAMICCXXFLAGS) -o $@ $<
+
+
+## Dependency rules
+%.d: $(srcdir)/%.c
+        @echo "generating dependency information for $<"
+        @$(SHELL) -ec '$(GEN_DEPS.c) $< \
+                | sed '\''s%\($*\)\.o[ :]*%\1.o $@ : %g'\'' > $@; \
+                [ -s $@ ] || rm -f $@'
+
+%.d: $(srcdir)/%.cpp
+        @echo "generating dependency information for $<"
+        @$(SHELL) -ec '$(GEN_DEPS.cc) $< \
+                | sed '\''s%\($*\)\.o[ :]*%\1.o $@ : %g'\'' > $@; \
+                [ -s $@ ] || rm -f $@'
+
+## Versioned libraries rules
+
+%.$(SO).$(SO_TARGET_VERSION_MAJOR): %.$(SO).$(SO_TARGET_VERSION)
+        $(RM) $@ && ln -s ${<F} $@
+%.$(SO): %.$(SO).$(SO_TARGET_VERSION_MAJOR)
+        $(RM) $@ && ln -s ${*F}.$(SO).$(SO_TARGET_VERSION) $@
+
+##  Bind internal references
+
+# LDflags that pkgdata will use
+BIR_LDFLAGS= -Wl,-Bsymbolic
+
+# Dependencies [i.e. map files] for the final library
+BIR_DEPS=
+
+# Use LIBRARY_PATH instead of LD_LIBRARY_PATH
+LDLIBRARYPATH_ENVVAR= LIBRARY_PATH
+
+## End BeOS-specific setup
+