2006-01-31 Richard Guenther <rguenther@suse.de>

	Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.def (target_modules): Add libgcc-math target module.
	* configure.in (target_libraries): Add libgcc-math target library.
	(--enable-libgcc-math): New configure switch.
	* Makefile.in: Re-generate.
	* configure: Re-generate.
	* libgcc-math: New toplevel directory.

	* doc/install.texi (--disable-libgcc-math): Document.

	libgcc-math/
	* configure.ac: New file.
	* Makefile.am: Likewise.
	* configure: New generated file.
	* Makefile.in: Likewise.
	* aclocal.m4: Likewise.
	* libtool-version: New file.
	* include/ieee754.h: New file.
	* include/libc-symbols.h: Likewise.
	* include/math_private.h: Likewise.
	* i386/Makefile.am: New file.
	* i386/Makefile.in: New generated file.
	* i386/sse2.h: New file.
	* i386/endian.h: Likewise.
	* i386/sse2.map: Linker script for SSE2 ABI math intrinsics.
	* flt-32/: Import from glibc.
	* dbl-64/: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110434 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 88 insertions, 0 deletions

diff --git a/libgcc-math/Makefile.am b/libgcc-math/Makefile.am
new file mode 100644
index 00000000000..a567defc1ec
--- /dev/null
+++ b/libgcc-math/Makefile.am
@@ -0,0 +1,88 @@
+## Makefile for the toplevel directory of the libgcc-math library.
+##
+## Copyright (C) 2005
+## Free Software Foundation, Inc.
+##
+
+AUTOMAKE_OPTIONS = 1.9.5 foreign
+ACLOCAL_AMFLAGS = -I .. -I ../config
+MAINT_CHARSET = latin1
+
+SUBDIRS = @arch_subdirs@
+
+# May be used by various substitution variables.
+gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
+
+if LIBGCCM_USE_SYMVER
+version_arg = -Wl,--version-script=gccm.map
+version_dep = gccm.map
+.PHONY: gccm.map
+gccm.map:
+	rm -f gccm.map
+	for map in @arch_maps@; do \
+	  cat $(srcdir)/$$map >> gccm.map; \
+	done
+else
+version_arg =
+version_dep =
+endif
+
+
+if BUILD_LIBGCC_MATH
+toolexeclib_LTLIBRARIES = libgcc-math.la
+
+libgcc_math_la_SOURCES =
+libgcc_math_la_LIBADD = @arch_libraries@
+libgcc_math_la_DEPENDENCIES = $(libgcc_math_la_LIBADD) $(version_dep)
+libgcc_math_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` \
+	$(version_arg) -lm
+endif
+
+
+# XXX hack alert
+# From libffi/Makefile.am
+
+# Work around what appears to be a GNU make bug handling MAKEFLAGS
+# values defined in terms of make variables, as is the case for CC and
+# friends when we are called from the top level Makefile.
+AM_MAKEFLAGS = \
+	"AR_FLAGS=$(AR_FLAGS)" \
+	"CC_FOR_BUILD=$(CC_FOR_BUILD)" \
+	"CFLAGS=$(CFLAGS)" \
+	"CXXFLAGS=$(CXXFLAGS)" \
+	"CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" \
+	"CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" \
+	"INSTALL=$(INSTALL)" \
+	"INSTALL_DATA=$(INSTALL_DATA)" \
+	"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
+	"INSTALL_SCRIPT=$(INSTALL_SCRIPT)" \
+	"JC1FLAGS=$(JC1FLAGS)" \
+	"LDFLAGS=$(LDFLAGS)" \
+	"LIBCFLAGS=$(LIBCFLAGS)" \
+	"LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" \
+	"MAKE=$(MAKE)" \
+	"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \
+	"PICFLAG=$(PICFLAG)" \
+	"PICFLAG_FOR_TARGET=$(PICFLAG_FOR_TARGET)" \
+	"SHELL=$(SHELL)" \
+	"RUNTESTFLAGS=$(RUNTESTFLAGS)" \
+	"exec_prefix=$(exec_prefix)" \
+	"infodir=$(infodir)" \
+	"libdir=$(libdir)" \
+	"prefix=$(prefix)" \
+	"includedir=$(includedir)" \
+	"AR=$(AR)" \
+	"AS=$(AS)" \
+	"CC=$(CC)" \
+	"CXX=$(CXX)" \
+	"LD=$(LD)" \
+	"LIBCFLAGS=$(LIBCFLAGS)" \
+	"NM=$(NM)" \
+	"PICFLAG=$(PICFLAG)" \
+	"RANLIB=$(RANLIB)" \
+	"DESTDIR=$(DESTDIR)"
+
+MAKEOVERRIDES=
+
+## ################################################################
+