#
# Makefile for directory with subdirs to build.
# Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-# 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation
+# 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
+# First, test for a proper version of make, but only where one is required.
+
+@if gcc
+ifeq (,$(.VARIABLES)) # The variable .VARIABLES, new with 3.80, is never empty.
+$(error GNU make version 3.80 or newer is required.)
+endif
+@endif gcc
+
# -------------------------------
# Standard Autoconf-set variables
# -------------------------------
AR="$(AR_FOR_TARGET)"; export AR; \
AS="$(COMPILER_AS_FOR_TARGET)"; export AS; \
CC="$(CC_FOR_TARGET)"; export CC; \
- CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
+ CFLAGS="$(CFLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)"; export CFLAGS; \
CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
CPPFLAGS="$(CPPFLAGS_FOR_TARGET)"; export CPPFLAGS; \
- CXXFLAGS="$(CXXFLAGS_FOR_TARGET)"; export CXXFLAGS; \
+ CXXFLAGS="$(CXXFLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)"; export CXXFLAGS; \
GCJ="$(GCJ_FOR_TARGET)"; export GCJ; \
GFORTRAN="$(GFORTRAN_FOR_TARGET)"; export GFORTRAN; \
DLLTOOL="$(DLLTOOL_FOR_TARGET)"; export DLLTOOL; \
# compilers to use to create programs which must be run in the build
# environment.
+AR_FOR_BUILD = @AR_FOR_BUILD@
+AS_FOR_BUILD = @AS_FOR_BUILD@
CC_FOR_BUILD = @CC_FOR_BUILD@
CFLAGS_FOR_BUILD = @CFLAGS_FOR_BUILD@
-
-CXX_FOR_BUILD = $(CXX)
+CXXFLAGS_FOR_BUILD = @CXXFLAGS_FOR_BUILD@
+CXX_FOR_BUILD = @CXX_FOR_BUILD@
+DLLTOOL_FOR_BUILD = @DLLTOOL_FOR_BUILD@
+GCJ_FOR_BUILD = @GCJ_FOR_BUILD@
+GFORTRAN_FOR_BUILD = @GFORTRAN_FOR_BUILD@
+LDFLAGS_FOR_BUILD = @LDFLAGS_FOR_BUILD@
+LD_FOR_BUILD = @LD_FOR_BUILD@
+NM_FOR_BUILD = @NM_FOR_BUILD@
+RANLIB_FOR_BUILD = @RANLIB_FOR_BUILD@
+WINDMC_FOR_BUILD = @WINDMC_FOR_BUILD@
+WINDRES_FOR_BUILD = @WINDRES_FOR_BUILD@
# Special variables passed down in EXTRA_GCC_FLAGS. They are defined
# here so that they can be overridden by Makefile fragments.
LIBCFLAGS = $(CFLAGS)
CXXFLAGS = @CXXFLAGS@
LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
-PICFLAG =
# Only build the C compiler for stage1, because that is the only one that
# we can guarantee will build with the native compiler, and also it is the
# MAKEINFO and MAKEINFOFLAGS are explicitly passed here to make them
# overrideable (for a bootstrap build stage1 also builds gcc.info).
-STAGE1_CFLAGS=@stage1_cflags@
STAGE1_CHECKING=@stage1_checking@
STAGE1_LANGUAGES=@stage1_languages@
+STAGE1_CFLAGS=@stage1_cflags@
+STAGE2_CFLAGS=$(BOOT_CFLAGS)
+STAGE3_CFLAGS=$(BOOT_CFLAGS)
+STAGE4_CFLAGS=$(BOOT_CFLAGS)
+
+STAGE1_LIBCFLAGS=$(CFLAGS_FOR_TARGET)
+STAGE2_LIBCFLAGS=$(CFLAGS_FOR_TARGET)
+STAGE3_LIBCFLAGS=$(CFLAGS_FOR_TARGET)
+STAGE4_LIBCFLAGS=$(CFLAGS_FOR_TARGET)
+
+do-compare = @do_compare@
+do-compare3 = $(do-compare)
+do-compare-debug = $(SHELL) $(srcdir)/contrib/compare-debug $$f1 $$f2
+
# -----------------------------------------------
# Programs producing files for the TARGET machine
# -----------------------------------------------
COMPILER_LD_FOR_TARGET=@COMPILER_LD_FOR_TARGET@
COMPILER_NM_FOR_TARGET=@COMPILER_NM_FOR_TARGET@
-# During gcc bootstrap, if we use some random cc for stage1 then
-# CFLAGS will be just -g. We want to ensure that TARGET libraries
-# (which we know are built with gcc) are built with optimizations so
-# prepend -O2 when setting CFLAGS_FOR_TARGET.
-CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
+CFLAGS_FOR_TARGET = @CFLAGS_FOR_TARGET@
+CXXFLAGS_FOR_TARGET = @CXXFLAGS_FOR_TARGET@
SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
-CXXFLAGS_FOR_TARGET = $(CXXFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
+DEBUG_PREFIX_CFLAGS_FOR_TARGET = @DEBUG_PREFIX_CFLAGS_FOR_TARGET@
+
LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
LDFLAGS_FOR_TARGET =
-PICFLAG_FOR_TARGET =
# ------------------------------------
# Miscellaneous targets and flag lists
# Flags to pass down to makes which are built with the target environment.
# The double $ decreases the length of the command line; those variables
# are set in BASE_FLAGS_TO_PASS, and the sub-make will expand them. The
-# COMPILER_ prefixed variables are not passed down so we expand them here.
+# *_CFLAGS_FOR_TARGET variables are not passed down and most often empty,
+# so we expand them here.
EXTRA_TARGET_FLAGS = \
'AR=$$(AR_FOR_TARGET)' \
'AS=$(COMPILER_AS_FOR_TARGET)' \
'CC=$$(CC_FOR_TARGET)' \
- 'CFLAGS=$$(CFLAGS_FOR_TARGET)' \
+ 'CFLAGS=$$(CFLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)' \
'CXX=$$(CXX_FOR_TARGET)' \
- 'CXXFLAGS=$$(CXXFLAGS_FOR_TARGET)' \
+ 'CXXFLAGS=$$(CXXFLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)' \
'DLLTOOL=$$(DLLTOOL_FOR_TARGET)' \
'LD=$(COMPILER_LD_FOR_TARGET)' \
'LDFLAGS=$$(LDFLAGS_FOR_TARGET)' \
- 'LIBCFLAGS=$$(LIBCFLAGS_FOR_TARGET)' \
- 'LIBCXXFLAGS=$$(LIBCXXFLAGS_FOR_TARGET)' \
+ 'LIBCFLAGS=$$(LIBCFLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)' \
+ 'LIBCXXFLAGS=$$(LIBCXXFLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)' \
'NM=$(COMPILER_NM_FOR_TARGET)' \
'OBJDUMP=$$(OBJDUMP_FOR_TARGET)' \
'RANLIB=$$(RANLIB_FOR_TARGET)' \
fi; \
[+ ENDIF check_multilibs +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
[+exports+][+ IF prev +] \
- [+poststage1_exports+][+ ENDIF prev +] \
+ [+poststage1_exports+][+ ENDIF prev +] [+ IF prefix +] \
+ CFLAGS="[+stage_libcflags+] $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)"; export CFLAGS; \
+ CXXFLAGS="[+stage_libcflags+] $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)"; export CXXFLAGS; [+ ELSE +] \
CFLAGS="[+stage_cflags+]"; export CFLAGS; \
- LIBCFLAGS="[+stage_cflags+]"; export LIBCFLAGS; \
+ CXXFLAGS="[+stage_cflags+]"; export CXXFLAGS; [+ ENDIF +] \
echo Configuring stage [+id+] in [+subdir+]/[+module+] ; \
$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+] ; \
cd [+subdir+]/[+module+] || exit 1; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
[+exports+] \
(cd [+subdir+]/[+module+] && \
- $(MAKE) [+args+] [+extra_make_flags+] $(TARGET-[+prefix+][+module+]))
+ $(MAKE) $(BASE_FLAGS_TO_PASS) [+args+] [+extra_make_flags+] \
+ $(TARGET-[+prefix+][+module+]))
@endif [+prefix+][+module+]
[+ IF bootstrap +]
[+exports+][+ IF prev +] \
[+poststage1_exports+][+ ENDIF prev +] \
cd [+subdir+]/[+module+] && \
- $(MAKE) [+args+] \
- CFLAGS="[+stage_cflags+]" LIBCFLAGS="[+stage_cflags+]" [+
+ $(MAKE) $(BASE_FLAGS_TO_PASS) \
+ CFLAGS="[+stage_cflags+]" CXXFLAGS="[+stage_cflags+]" \
+ LIBCFLAGS="[+stage_libcflags+]" \
+ CFLAGS_FOR_TARGET="[+stage_libcflags+]" \
+ CXXFLAGS_FOR_TARGET="[+stage_libcflags+]" [+args+] [+
IF prev +][+poststage1_args+][+ ENDIF prev
+] [+extra_make_flags+] \
$(TARGET-stage[+id+]-[+prefix+][+module+])
[+ all prefix="" subdir="$(HOST_SUBDIR)"
exports="$(HOST_EXPORTS)"
poststage1_exports="$(POSTSTAGE1_HOST_EXPORTS)"
- args="$(FLAGS_TO_PASS)"
+ args="$(EXTRA_HOST_FLAGS)"
poststage1_args="$(POSTSTAGE1_FLAGS_TO_PASS)" +]
.PHONY: check-[+module+] maybe-check-[+module+]
[+ all prefix="target-" subdir="$(TARGET_SUBDIR)"
exports="$(RAW_CXX_TARGET_EXPORTS)"
- args="$(TARGET_FLAGS_TO_PASS) 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)'" +]
+ args="$(EXTRA_TARGET_FLAGS) 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)'" +]
[+ ELSE +]
[+ configure prefix="target-" subdir="$(TARGET_SUBDIR)"
check_multilibs=true
[+ all prefix="target-" subdir="$(TARGET_SUBDIR)"
exports="$(NORMAL_TARGET_EXPORTS)"
- args="$(TARGET_FLAGS_TO_PASS)" +]
+ args="$(EXTRA_TARGET_FLAGS)" +]
[+ ENDIF +]
.PHONY: check-target-[+module+] maybe-check-target-[+module+]
cd .. ; \
for file in $${files} ; do \
f1=$$r/stage[+prev+]-gcc/$$file; f2=$$r/stage[+id+]-gcc/$$file; \
- @do_compare@ > /dev/null 2>&1; \
+ $(do-[+compare-target+]) > /dev/null 2>&1; \
if test $$? -eq 1; then \
case $$file in \
./cc*-checksum$(objext) | ./libgcc/* ) \
@if test -f stage_last; then $(unstage); else $(MAKE) stage1-start; fi
.PHONY: restrap
-restrap:
+restrap::
@: $(MAKE); $(stage)
rm -rf stage1-$(TARGET_SUBDIR) [+ FOR bootstrap-stage +][+ IF prev
+]stage[+id+]-* [+ ENDIF prev +][+ ENDFOR bootstrap-stage +]
- $(MAKE) $(RECURSE_FLAGS_TO_PASS) all
+restrap:: all
@endif gcc-bootstrap
# --------------------------------------