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Re: patch for cross-compilation bootstrap

On Tue, Apr 24, 2001 at 10:55:16PM -0500, Tony Kimball wrote:
>I found this patch useful to allow me to bootstrap winsup/cygwin when
>building a cross-compiler, linux hosted, for i386-cygwin targets.  This
>is a diff against  It
>overcomes the problem that -nostdinc prevents the cross-compiler from
>finding stddef.h.

I build all of my releases with a cross compiler and routinely build
cygwin from scratch on linux.  I haven't seen the problem that you
are referring to, unless it has very recently shown up.


>@ spa:src$;cvs -z3 diff -u winsup/Makefile.common
>Index: winsup/Makefile.common
>RCS file: /cvs/src/src/winsup/Makefile.common,v
>retrieving revision 1.23
>diff -u -r1.23 Makefile.common
>--- Makefile.common	2001/02/22 12:37:32	1.23
>+++ Makefile.common	2001/04/25 02:38:38
>@@ -88,9 +88,12 @@
> libgcc:=${subst \,/,${shell $(CC_FOR_TARGET) -print-libgcc-file-name}}
> GCC_INCLUDE:=${word 1,${dir $(libgcc)}}/include
>+tgt_cpp:=$(shell $(CC_FOR_TARGET) -print-prog-name=cpp0)
>+cpp_sysdirs:=$(shell $(tgt_cpp) -v </dev/null 2>&1 | grep gcc-lib)
> COMPILE_CXX:=$(CXX) $c -nostdinc++ $(ALL_CXXFLAGS) -I$(GCC_INCLUDE) \
> 	     -fno-rtti -fno-exceptions
>-COMPILE_CC:=$(CC) $c -nostdinc $(ALL_CFLAGS) -I$(GCC_INCLUDE)
>+COMPILE_CC:=$(CC) $c -nostdinc $(ALL_CFLAGS) -I$(GCC_INCLUDE) $(patsubst %,-isystem %,$(cpp_sysdirs))
> vpath %.a	$(cygwin_build):$(w32api_lib):$(newlib_build)/libc:$(newlib_build)/libm
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