patch for spec file of gcc 3.4.4, so that libgss library is not
[openwrt-10.03/.git] / toolchain / gcc / Makefile
1 # Makefile for to build a gcc/uClibc toolchain
2 #
3 # Copyright (C) 2002-2003 Erik Andersen <andersen@uclibc.org>
4 # Copyright (C) 2004 Manuel Novoa III <mjn3@uclibc.org>
5 # Copyright (C) 2005 Felix Fietkau <openwrt@nbd.name>
6 #
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
11 #
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # General Public License for more details.
16 #
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20
21 include $(TOPDIR)/rules.mk
22
23 GCC_VERSION:=$(strip $(GCC_VERSION))
24
25 #GCC_SITE:=ftp://ftp.gnu.org/gnu/gcc/releases/gcc-$(GCC_VERSION)
26 GCC_SITE:=ftp://ftp.fu-berlin.de/unix/languages/gcc/releases/gcc-$(GCC_VERSION) \
27         http://mirrors.rcn.net/pub/sourceware/gcc/releases/gcc-$(GCC_VERSION)
28
29 GCC_SOURCE:=gcc-$(GCC_VERSION).tar.bz2
30 GCC_DIR:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)
31 GCC_CAT:=bzcat
32 GCC_STRIP_HOST_BINARIES:=true
33
34 #############################################################
35 #
36 # Setup some initial stuff
37 #
38 #############################################################
39
40 ifeq ($(BR2_INSTALL_LIBGCJ),y)
41 TARGET_LANGUAGES:=c,c++,java
42 else
43 ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
44 TARGET_LANGUAGES:=c,c++
45 else
46 TARGET_LANGUAGES:=c
47 endif
48 endif
49
50 #############################################################
51 #
52 # build the first pass gcc compiler
53 #
54 #############################################################
55
56 GCC_BUILD_DIR1:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-initial
57
58 $(DL_DIR)/$(GCC_SOURCE):
59         mkdir -p $(DL_DIR)
60         $(SCRIPT_DIR)/download.pl $(DL_DIR) $(GCC_SOURCE) x $(GCC_SITE)
61
62 $(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE)
63         mkdir -p $(TOOL_BUILD_DIR)
64         $(GCC_CAT) $(DL_DIR)/$(GCC_SOURCE) | tar -C $(TOOL_BUILD_DIR) $(TAR_OPTIONS) -
65         touch $(GCC_DIR)/.unpacked
66
67 $(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked
68         # Apply any files named gcc-*.patch from the source directory to gcc
69         $(SCRIPT_DIR)/patch-kernel.sh $(GCC_DIR) ./$(GCC_VERSION) \*.patch
70         # Note: The soft float situation has improved considerably with gcc 3.4.x.
71         # We can dispense with the custom spec files, as well as libfloat for the arm case.
72         # However, we still need a patch for arm.  There's a similar patch for gcc 3.3.x
73         # which needs to be integrated so we can kill of libfloat for good.
74 ifeq ($(BR2_SOFT_FLOAT),y)
75 ifeq ("$(strip $(ARCH))","arm")
76         $(SCRIPT_DIR)/patch-kernel.sh $(GCC_DIR) ./$(GCC_VERSION) arm-softfloat.patch.conditional
77 endif
78 ifeq ("$(strip $(ARCH))","armeb")
79         $(SCRIPT_DIR)/patch-kernel.sh $(GCC_DIR) ./$(GCC_VERSION) arm-softfloat.patch.conditional
80 endif
81 endif
82         touch $(GCC_DIR)/.patched
83
84 # The --without-headers option stopped working with gcc 3.0 and has never been
85 # # fixed, so we need to actually have working C library header files prior to
86 # # the step or libgcc will not build...
87
88 $(GCC_BUILD_DIR1)/.configured: $(GCC_DIR)/.patched
89         mkdir -p $(GCC_BUILD_DIR1)
90         (cd $(GCC_BUILD_DIR1); rm -f config.cache; PATH=$(TARGET_PATH) \
91                 $(GCC_DIR)/configure \
92                 --prefix=$(STAGING_DIR) \
93                 --build=$(GNU_HOST_NAME) \
94                 --host=$(GNU_HOST_NAME) \
95                 --target=$(REAL_GNU_TARGET_NAME) \
96                 --enable-languages=c \
97                 --disable-shared \
98                 --with-sysroot=$(TOOL_BUILD_DIR)/uClibc_dev/ \
99                 --disable-__cxa_atexit \
100                 --enable-target-optspace \
101                 --with-gnu-ld \
102                 $(DISABLE_NLS) \
103                 $(MULTILIB) \
104                 $(SOFT_FLOAT_CONFIG_OPTION) \
105                 $(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
106                 $(EXTRA_GCC_CONFIG_OPTIONS));
107         touch $(GCC_BUILD_DIR1)/.configured
108
109 $(GCC_BUILD_DIR1)/.compiled: $(GCC_BUILD_DIR1)/.configured
110         PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) all-gcc
111         touch $(GCC_BUILD_DIR1)/.compiled
112
113 $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gcc: $(GCC_BUILD_DIR1)/.compiled
114         PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) install-gcc
115
116 #############################################################
117 #
118 # second pass compiler build.  Build the compiler targeting 
119 # the newly built shared uClibc library.
120 #
121 #############################################################
122 #
123 # Sigh... I had to rework things because using --with-gxx-include-dir
124 # causes issues with include dir search order for g++.  This seems to
125 # have something to do with "path translations" and possibly doesn't
126 # affect gcc-target.  However, I haven't tested gcc-target yet so no
127 # guarantees.  mjn3
128
129 GCC_BUILD_DIR2:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-final
130 $(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.patched $(STAGING_DIR)/lib/libc.a
131         mkdir -p $(GCC_BUILD_DIR2)
132         # Important!  Required for limits.h to be fixed.
133         rm -rf $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
134         ln -sf ../include $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
135         rm -rf $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib
136         ln -sf ../lib $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib
137         (cd $(GCC_BUILD_DIR2); rm -f config.cache; PATH=$(TARGET_PATH) \
138                 $(GCC_DIR)/configure \
139                 --prefix=$(STAGING_DIR) \
140                 --build=$(GNU_HOST_NAME) \
141                 --host=$(GNU_HOST_NAME) \
142                 --target=$(REAL_GNU_TARGET_NAME) \
143                 --enable-languages=$(TARGET_LANGUAGES) \
144                 --enable-shared \
145                 --disable-__cxa_atexit \
146                 --enable-target-optspace \
147                 --with-gnu-ld \
148                 $(DISABLE_NLS) \
149                 $(MULTILIB) \
150                 $(SOFT_FLOAT_CONFIG_OPTION) \
151                 $(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
152                 $(GCC_USE_SJLJ_EXCEPTIONS) \
153                 $(EXTRA_GCC_CONFIG_OPTIONS));
154         touch $(GCC_BUILD_DIR2)/.configured
155
156 $(GCC_BUILD_DIR2)/.compiled: $(GCC_BUILD_DIR2)/.configured
157         PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) all
158         touch $(GCC_BUILD_DIR2)/.compiled
159
160 gcc-install: $(GCC_BUILD_DIR2)/.compiled
161         PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) install
162         echo $(GCC_VERSION) > $(STAGING_DIR)/gcc_version
163         # Set up the symlinks to enable lying about target name.
164         set -e; \
165         (cd $(STAGING_DIR); \
166                 ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
167                 cd bin; \
168                 for app in $(REAL_GNU_TARGET_NAME)-* ; do \
169                         ln -sf $${app} \
170                         $(GNU_TARGET_NAME)$${app##$(REAL_GNU_TARGET_NAME)}; \
171                 done; \
172         );
173         #
174         # Now for the ugly 3.3.x soft float hack...
175         #
176 ifeq ($(BR2_SOFT_FLOAT),y)
177 ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.)
178         # Make sure we have a soft float specs file for this arch
179         if [ ! -f ./$(GCC_VERSION)/specs-$(ARCH)-soft-float ] ; then \
180                 echo soft float configured but no specs file for this arch ; \
181                 /bin/false ; \
182         fi;
183         # Replace specs file with one that defaults to soft float mode.
184         if [ ! -f $(STAGING_DIR)/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs ] ; then \
185                 echo staging dir specs file is missing ; \
186                 /bin/false ; \
187         fi;
188         cp ./$(GCC_VERSION)/specs-$(ARCH)-soft-float $(STAGING_DIR)/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
189 endif
190 endif
191 # We do another ugly hack here because the standard behaviour is
192 # to include a reference to libgcc.so.1 in all binaries. For flash space
193 # saving, we change the specs file to link in a static libgcc here. 
194         if [ ! -f $(STAGING_DIR)/lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs ] ; then \
195                 echo staging dir specs file is missing ; \
196                 /bin/false ; \
197         fi;
198         if grep -q as-needed $(STAGING_DIR)/lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs; then \
199                 patch -d $(STAGING_DIR)/lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/ -p0 < ./$(GCC_VERSION)/static-libgcc.patch.conditional ; \
200         fi;
201
202 source: $(DL_DIR)/$(GCC_SOURCE)
203 prepare: $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gcc
204 compile: gcc-install
205 install:
206 clean: gcc-clean
207         rm -rf $(GCC_DIR)
208         rm -rf $(GCC_BUILD_DIR1)
209         rm -rf $(GCC_BUILD_DIR2)
210         rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc*
211         rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*