gcc-uclibc-3.x.mk 17 KB

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  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. #
  6. # This program is free software; you can redistribute it and/or modify
  7. # it under the terms of the GNU General Public License as published by
  8. # the Free Software Foundation; either version 2 of the License, or
  9. # (at your option) any later version.
  10. #
  11. # This program is distributed in the hope that it will be useful,
  12. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14. # General Public License for more details.
  15. #
  16. # You should have received a copy of the GNU General Public License
  17. # along with this program; if not, write to the Free Software
  18. # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19. ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
  20. # without sysroot support. Sysroot toolchain is gcc-uclibc-4.x.mk
  21. ifneq ($(BR2_TOOLCHAIN_SYSROOT),y)
  22. ifeq ($(GCC_SNAP_DATE),)
  23. GCC_OFFICIAL_VER:=$(GCC_VERSION)
  24. GCC_SITE:=$(BR2_GNU_MIRROR)/gcc/gcc-$(GCC_VERSION)
  25. #GCC_SITE:=ftp://ftp.ibiblio.org/pub/mirrors/gnu/ftp/gnu/gcc/gcc-$(GCC_OFFICIAL_VER)
  26. else
  27. GCC_OFFICIAL_VER:=$(GCC_VERSION)-$(GCC_SNAP_DATE)
  28. GCC_SITE:=ftp://sources.redhat.com/pub/gcc/snapshots/$(GCC_OFFICIAL_VER)
  29. endif
  30. # redefine if using an external prepatched gcc source
  31. ifneq ($(BR2_TOOLCHAIN_BUILDROOT),y)
  32. GCC_SITE:=$(VENDOR_SITE)
  33. GCC_OFFICIAL_VER:=$(GCC_VERSION)$(VENDOR_SUFFIX)$(VENDOR_GCC_RELEASE)
  34. GCC_PATCH_DIR:=toolchain/gcc/ext_source/$(VENDOR_PATCH_DIR)/$(GCC_OFFICIAL_VERSION)
  35. endif
  36. GCC_SOURCE:=gcc-$(GCC_OFFICIAL_VER).tar.bz2
  37. GCC_DIR:=$(TOOL_BUILD_DIR)/gcc-$(GCC_OFFICIAL_VER)
  38. ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
  39. ifeq ($(GCC_SNAP_DATE),)
  40. GCC_PATCH_DIR:=toolchain/gcc/$(GCC_VERSION)
  41. else
  42. ifneq ($(wildcard toolchain/gcc/$(GCC_OFFICIAL_VER)),)
  43. GCC_PATCH_DIR:=toolchain/gcc/$(GCC_OFFICIAL_VER)
  44. else
  45. GCC_PATCH_DIR:=toolchain/gcc/$(GCC_VERSION)
  46. endif
  47. endif
  48. endif
  49. GCC_CAT:=$(BZCAT)
  50. GCC_STRIP_HOST_BINARIES:=true
  51. ifeq ($(findstring x3.,x$(GCC_VERSION)),x3.)
  52. GCC_NO_MPFR:=y
  53. else
  54. ifneq ($(BR2_INSTALL_FORTRAN),y)
  55. # fortran needs gmp and mpfr
  56. ifeq ($(findstring 4.0.,$(GCC_VERSION)),4.0.)
  57. GCC_NO_MPFR:=y
  58. endif
  59. ifeq ($(findstring 4.1.,$(GCC_VERSION)),4.1.)
  60. GCC_NO_MPFR:=y
  61. endif
  62. endif
  63. endif
  64. #############################################################
  65. #
  66. # Setup some initial stuff
  67. #
  68. #############################################################
  69. GCC_CROSS_LANGUAGES:=c
  70. ifeq ($(BR2_GCC_CROSS_CXX),y)
  71. GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),c++
  72. endif
  73. ifeq ($(BR2_GCC_CROSS_FORTRAN),y)
  74. GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),fortran
  75. endif
  76. ifeq ($(BR2_GCC_CROSS_OBJC),y)
  77. GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),objc
  78. endif
  79. GCC_TARGET_LANGUAGES:=c
  80. ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
  81. GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),c++
  82. endif
  83. ifeq ($(BR2_INSTALL_LIBGCJ),y)
  84. GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),java
  85. endif
  86. ifeq ($(BR2_INSTALL_OBJC),y)
  87. GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),objc
  88. endif
  89. GCC_TARGET_PREREQ =
  90. GCC_STAGING_PREREQ= $(STAGING_DIR)/usr/lib/libc.a
  91. ifndef GCC_NO_MPFR
  92. GCC_WITH_HOST_GMP=--with-gmp=$(GMP_HOST_DIR)
  93. GCC_WITH_HOST_MPFR=--with-mpfr=$(MPFR_HOST_DIR)
  94. ifeq ($(BR2_INSTALL_FORTRAN),y)
  95. GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),fortran
  96. #GCC_TARGET_PREREQ += $(TARGET_DIR)/lib/libmpfr.so $(TARGET_DIR)/lib/libgmp.so
  97. #GCC_STAGING_PREREQ+= $(TOOL_BUILD_DIR)/mpfr/lib/libmpfr.so
  98. GCC_WITH_TARGET_GMP=--with-gmp="$(GMP_TARGET_DIR)"
  99. GCC_WITH_TARGET_MPFR=--with-mpfr="$(MPFR_TARGET_DIR)"
  100. endif
  101. endif # ifndef GCC_NO_MPFR
  102. ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
  103. GCC_SHARED_LIBGCC:=--enable-shared
  104. else
  105. GCC_SHARED_LIBGCC:=--disable-shared
  106. endif
  107. HOST_SOURCE+=gcc-source
  108. #############################################################
  109. #
  110. # build the first pass gcc compiler
  111. #
  112. #############################################################
  113. GCC_BUILD_DIR1:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-initial
  114. $(DL_DIR)/$(GCC_SOURCE):
  115. mkdir -p $(DL_DIR)
  116. $(call DOWNLOAD,$(GCC_SITE),$(GCC_SOURCE))
  117. gcc-unpacked: $(GCC_DIR)/.patched
  118. $(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE)
  119. mkdir -p $(TOOL_BUILD_DIR)
  120. $(GCC_CAT) $(DL_DIR)/$(GCC_SOURCE) | tar -C $(TOOL_BUILD_DIR) $(TAR_OPTIONS) -
  121. $(CONFIG_UPDATE) $(@D)
  122. touch $@
  123. gcc-patched: $(GCC_DIR)/.patched
  124. $(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked
  125. # Apply any files named gcc-*.patch from the source directory to gcc
  126. toolchain/patch-kernel.sh $(GCC_DIR) $(GCC_PATCH_DIR) \*.patch
  127. # Note: The soft float situation has improved considerably with gcc 3.4.x.
  128. # We can dispense with the custom spec files, as well as libfloat for the arm case.
  129. # However, we still need a patch for arm. There's a similar patch for gcc 3.3.x
  130. # which needs to be integrated so we can kill of libfloat for good, except for
  131. # anyone (?) who might still be using gcc 2.95. mjn3
  132. ifeq ($(BR2_SOFT_FLOAT),y)
  133. ifeq ("$(strip $(ARCH))","arm")
  134. toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
  135. endif
  136. ifeq ("$(strip $(ARCH))","armeb")
  137. toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
  138. endif
  139. endif
  140. touch $@
  141. # The --without-headers option stopped working with gcc 3.0 and has never been
  142. # fixed, so we need to actually have working C library header files prior to
  143. # the step or libgcc will not build...
  144. $(GCC_BUILD_DIR1)/.configured: $(GCC_DIR)/.patched
  145. mkdir -p $(GCC_BUILD_DIR1)
  146. (cd $(GCC_BUILD_DIR1); PATH=$(TARGET_PATH) \
  147. $(HOST_CONFIGURE_OPTS) \
  148. $(GCC_DIR)/configure \
  149. --prefix=$(STAGING_DIR)/usr \
  150. --build=$(GNU_HOST_NAME) \
  151. --host=$(GNU_HOST_NAME) \
  152. --target=$(REAL_GNU_TARGET_NAME) \
  153. --enable-languages=c \
  154. --with-sysroot=$(TOOL_BUILD_DIR)/uClibc_dev/ \
  155. --disable-__cxa_atexit \
  156. --enable-target-optspace \
  157. --with-gnu-ld \
  158. --disable-shared \
  159. --disable-libssp \
  160. $(GCC_WITH_HOST_GMP) \
  161. $(GCC_WITH_HOST_MPFR) \
  162. $(DISABLE_NLS) \
  163. $(THREADS) \
  164. $(MULTILIB) \
  165. $(SOFT_FLOAT_CONFIG_OPTION) \
  166. $(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
  167. $(EXTRA_GCC_CONFIG_OPTIONS) \
  168. $(QUIET) \
  169. )
  170. touch $@
  171. $(GCC_BUILD_DIR1)/.compiled: $(GCC_BUILD_DIR1)/.configured
  172. PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) all-gcc
  173. touch $@
  174. gcc_initial=$(GCC_BUILD_DIR1)/.installed
  175. $(gcc_initial) $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc: $(GCC_BUILD_DIR1)/.compiled
  176. PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) install-gcc
  177. #rm -f $(STAGING_DIR)/bin/gccbug $(STAGING_DIR)/bin/gcov
  178. #rm -rf $(STAGING_DIR)/info $(STAGING_DIR)/man $(STAGING_DIR)/share/doc $(STAGING_DIR)/share/locale
  179. touch $(gcc_initial)
  180. gcc_initial: uclibc-configured binutils $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc
  181. gcc_initial-clean:
  182. rm -rf $(GCC_BUILD_DIR1)
  183. gcc_initial-dirclean:
  184. rm -rf $(GCC_BUILD_DIR1) $(GCC_DIR)
  185. #############################################################
  186. #
  187. # second pass compiler build. Build the compiler targeting
  188. # the newly built shared uClibc library.
  189. #
  190. #############################################################
  191. #
  192. # Sigh... I had to rework things because using --with-gxx-include-dir
  193. # causes issues with include dir search order for g++. This seems to
  194. # have something to do with "path translations" and possibly doesn't
  195. # affect gcc-target. However, I haven't tested gcc-target yet so no
  196. # guarantees. mjn3
  197. GCC_BUILD_DIR2:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-final
  198. $(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.patched $(GCC_STAGING_PREREQ)
  199. mkdir -p $(GCC_BUILD_DIR2)
  200. # Important! Required for limits.h to be fixed.
  201. ln -snf ../include $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/sys-include
  202. #-rmdir $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
  203. #ln -snf ../lib/ $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
  204. (cd $(GCC_BUILD_DIR2); rm -rf config.cache; \
  205. $(HOST_CONFIGURE_OPTS) \
  206. GCC=$(TARGET_CROSS)gcc \
  207. CPP=$(TARGET_CROSS)cpp \
  208. LDFLAGS_FOR_TARGET="$(patsubst %,LDFLAGS+=-Wl$(comma)%,$(TARGET_LDFLAGS)) -L$(STAGING_DIR)/lib -L$(STAGING_DIR)/usr/lib" \
  209. $(GCC_DIR)/configure \
  210. --prefix=$(STAGING_DIR) \
  211. --build=$(GNU_HOST_NAME) \
  212. --host=$(GNU_HOST_NAME) \
  213. --target=$(REAL_GNU_TARGET_NAME) \
  214. --enable-languages=$(GCC_CROSS_LANGUAGES) \
  215. --disable-__cxa_atexit \
  216. --enable-target-optspace \
  217. --with-gnu-ld \
  218. --disable-libssp \
  219. $(GCC_WITH_HOST_GMP) \
  220. $(GCC_WITH_HOST_MPFR) \
  221. $(GCC_SHARED_LIBGCC) \
  222. $(DISABLE_NLS) \
  223. $(THREADS) \
  224. $(MULTILIB) \
  225. $(SOFT_FLOAT_CONFIG_OPTION) \
  226. $(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
  227. $(GCC_USE_SJLJ_EXCEPTIONS) \
  228. $(DISABLE_LARGEFILE) \
  229. $(EXTRA_GCC_CONFIG_OPTIONS) \
  230. )
  231. touch $@
  232. $(GCC_BUILD_DIR2)/.compiled: $(GCC_BUILD_DIR2)/.configured
  233. PATH=$(TARGET_PATH) $(MAKE) $(HOST_CONFIGURE_OPTS) CPP=$(TARGET_CROSS)cpp -C $(GCC_BUILD_DIR2) all
  234. touch $@
  235. $(GCC_BUILD_DIR2)/.installed: $(GCC_BUILD_DIR2)/.compiled
  236. PATH=$(TARGET_PATH) \
  237. $(MAKE) $(HOST_CONFIGURE_OPTS) \
  238. LDFLAGS_FOR_TARGET="$(patsubst %,LDFLAGS+=-Wl$(comma)%,$(TARGET_LDFLAGS)) -L$(STAGING_DIR)/lib -L$(STAGING_DIR)/usr/lib" \
  239. -C $(GCC_BUILD_DIR2) install
  240. if [ -d "$(STAGING_DIR)/usr/lib64" ]; then \
  241. if [ ! -e "$(STAGING_DIR)/usr/lib" ]; then \
  242. mkdir -p "$(STAGING_DIR)/usr/lib"; \
  243. fi; \
  244. mv "$(STAGING_DIR)/usr/lib64/"* "$(STAGING_DIR)/usr/lib/"; \
  245. rmdir "$(STAGING_DIR)/usr/lib64"; \
  246. fi
  247. # Strip the host binaries
  248. ifeq ($(GCC_STRIP_HOST_BINARIES),true)
  249. strip --strip-all -R .note -R .comment $(filter-out %-gccbug %-embedspu,$(wildcard $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-*))
  250. endif
  251. # Make sure we have 'cc'.
  252. if [ ! -e $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-cc ]; then \
  253. ln -snf $(REAL_GNU_TARGET_NAME)-gcc \
  254. $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-cc; \
  255. fi
  256. if [ ! -e $(STAGING_DIR)/usr/bin/gcc ]; then \
  257. ln -snf gcc $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-cc; \
  258. fi
  259. # Set up the symlinks to enable lying about target name.
  260. set -e; \
  261. (cd $(STAGING_DIR)/usr; \
  262. ln -snf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
  263. cd bin; \
  264. for app in $(REAL_GNU_TARGET_NAME)-*; do \
  265. ln -snf $${app} \
  266. $(GNU_TARGET_NAME)$${app##$(REAL_GNU_TARGET_NAME)}; \
  267. done; \
  268. )
  269. #
  270. # Now for the ugly 3.3.x soft float hack...
  271. #
  272. ifeq ($(BR2_SOFT_FLOAT),y)
  273. ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.)
  274. # Make sure we have a soft float specs file for this arch
  275. if [ ! -f toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float ]; then \
  276. echo soft float configured but no specs file for this arch; \
  277. /bin/false; \
  278. fi
  279. # Replace specs file with one that defaults to soft float mode.
  280. if [ ! -f $(STAGING_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs ]; then \
  281. echo staging dir specs file is missing; \
  282. /bin/false; \
  283. fi
  284. cp toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float $(STAGING_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
  285. endif
  286. endif
  287. #
  288. # Ok... that's enough of that.
  289. #
  290. mkdir -p $(TARGET_DIR)/usr/lib $(TARGET_DIR)/usr/sbin
  291. touch $@
  292. $(PROJECT_BUILD_DIR)/autotools-stamps/gcc_libs_target_installed: $(GCC_BUILD_DIR2)/.installed
  293. ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
  294. # These are in /lib, so...
  295. rm -rf $(TARGET_DIR)/usr/lib/libgcc_s*.so*
  296. -cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s* \
  297. $(TARGET_DIR)/lib/
  298. -$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $(TARGET_DIR)/lib/libgcc_s*
  299. endif
  300. ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
  301. ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
  302. mkdir -p $(TARGET_DIR)/usr/lib
  303. -cp -dpf $(STAGING_DIR)/lib/libstdc++.so* $(TARGET_DIR)/usr/lib/
  304. -$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $(TARGET_DIR)/usr/lib/libstdc++.so*
  305. endif
  306. endif
  307. ifeq ($(BR2_INSTALL_LIBGCJ),y)
  308. cp -dpf $(STAGING_DIR)/lib/libgcj.so* $(TARGET_DIR)/usr/lib/
  309. cp -dpf $(STAGING_DIR)/lib/lib-org-w3c-dom.so* $(TARGET_DIR)/usr/lib/
  310. cp -dpf $(STAGING_DIR)/lib/lib-org-xml-sax.so* $(TARGET_DIR)/usr/lib/
  311. mkdir -p $(TARGET_DIR)/usr/lib/security
  312. cp -dpf $(STAGING_DIR)/usr/lib/security/libgcj.security \
  313. $(TARGET_DIR)/usr/lib/security/
  314. cp -dpf $(STAGING_DIR)/usr/lib/security/classpath.security \
  315. $(TARGET_DIR)/usr/lib/security/
  316. endif
  317. mkdir -p $(@D)
  318. touch $@
  319. cross_compiler:=$(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc
  320. cross_compiler gcc: gcc-config $(GCC_BUILD_DIR2)/.installed \
  321. $(PROJECT_BUILD_DIR)/autotools-stamps/gcc_libs_target_installed \
  322. $(GCC_TARGETS)
  323. gcc-source: $(DL_DIR)/$(GCC_SOURCE)
  324. gcc-config: uclibc-configured binutils gcc_initial $(LIBFLOAT_TARGET) \
  325. uclibc $(GCC_BUILD_DIR2)/.configured
  326. gcc-clean:
  327. rm -rf $(GCC_BUILD_DIR2)
  328. for prog in cpp gcc gcc-[0-9]* protoize unprotoize gcov gccbug cc; do \
  329. rm -f $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-$$prog; \
  330. rm -f $(STAGING_DIR)/usr/bin/$(GNU_TARGET_NAME)-$$prog; \
  331. done
  332. gcc-dirclean: gcc_initial-dirclean
  333. rm -rf $(GCC_BUILD_DIR2)
  334. #############################################################
  335. #
  336. # Next build target gcc compiler
  337. #
  338. #############################################################
  339. GCC_BUILD_DIR3:=$(BUILD_DIR)/gcc-$(GCC_VERSION)-target
  340. $(GCC_BUILD_DIR3)/.prepared: $(PROJECT_BUILD_DIR)/autotools-stamps/gcc_libs_target_installed $(GCC_TARGET_PREREQ)
  341. mkdir -p $(GCC_BUILD_DIR3)
  342. touch $@
  343. $(GCC_BUILD_DIR3)/.configured: $(GCC_BUILD_DIR3)/.prepared
  344. (cd $(GCC_BUILD_DIR3); rm -rf config.cache; \
  345. $(TARGET_CONFIGURE_OPTS) \
  346. CFLAGS_FOR_BUILD="-g -O2 $(HOST_CFLAGS)" \
  347. $(TARGET_GCC_FLAGS) \
  348. $(GCC_DIR)/configure \
  349. --prefix=/usr \
  350. --build=$(GNU_HOST_NAME) \
  351. --host=$(REAL_GNU_TARGET_NAME) \
  352. --target=$(REAL_GNU_TARGET_NAME) \
  353. --enable-languages=$(GCC_TARGET_LANGUAGES) \
  354. --with-gxx-include-dir=/usr/include/c++ \
  355. --disable-__cxa_atexit \
  356. --with-gnu-ld \
  357. --with-gnu-as \
  358. --disable-libssp \
  359. $(GCC_SHARED_LIBGCC) \
  360. $(GCC_WITH_TARGET_GMP) \
  361. $(GCC_WITH_TARGET_MPFR) \
  362. $(DISABLE_NLS) \
  363. $(THREADS) \
  364. $(MULTILIB) \
  365. $(SOFT_FLOAT_CONFIG_OPTION) \
  366. $(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
  367. $(GCC_USE_SJLJ_EXCEPTIONS) \
  368. $(DISABLE_LARGEFILE) \
  369. $(EXTRA_GCC_CONFIG_OPTIONS) \
  370. $(EXTRA_TARGET_GCC_CONFIG_OPTIONS) \
  371. )
  372. touch $@
  373. $(GCC_BUILD_DIR3)/.compiled: $(GCC_BUILD_DIR3)/.configured
  374. PATH=$(TARGET_PATH) \
  375. $(MAKE) $(TARGET_CONFIGURE_OPTS) \
  376. CFLAGS_FOR_BUILD="-g -O2 $(HOST_CFLAGS)" \
  377. $(TARGET_GCC_FLAGS) \
  378. -C $(GCC_BUILD_DIR3) all
  379. touch $@
  380. #
  381. # gcc-lib dir changes names to gcc with 3.4.mumble
  382. #
  383. ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
  384. GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
  385. else
  386. GCC_LIB_SUBDIR=lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
  387. endif
  388. # sigh... we need to find a better way
  389. ifeq ($(findstring 4.0.,$(GCC_VERSION)),4.0.)
  390. GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
  391. endif
  392. ifeq ($(findstring 4.1.,$(GCC_VERSION)),4.1.)
  393. GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
  394. endif
  395. ifeq ($(findstring 4.2,$(GCC_VERSION)),4.2)
  396. ifneq ($(findstring 4.2.,$(GCC_VERSION)),4.2.)
  397. REAL_GCC_VERSION=$(shell cat $(GCC_DIR)/gcc/BASE-VER)
  398. GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(REAL_GCC_VERSION)
  399. else
  400. GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
  401. endif
  402. endif
  403. $(TARGET_DIR)/usr/bin/gcc: $(GCC_BUILD_DIR3)/.compiled
  404. PATH=$(TARGET_PATH) \
  405. $(MAKE) $(TARGET_CONFIGURE_OPTS) \
  406. CFLAGS_FOR_BUILD="-g -O2 $(HOST_CFLAGS)" \
  407. $(TARGET_GCC_FLAGS) \
  408. DESTDIR=$(TARGET_DIR) \
  409. -C $(GCC_BUILD_DIR3) install
  410. # Remove broken specs file (cross compile flag is set).
  411. rm -f $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/specs
  412. #
  413. # Now for the ugly 3.3.x soft float hack...
  414. #
  415. ifeq ($(BR2_SOFT_FLOAT),y)
  416. ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.)
  417. # Add a specs file that defaults to soft float mode.
  418. cp toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float $(TARGET_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
  419. # Make sure gcc does not think we are cross compiling
  420. $(SED) "s/^1/0/;" $(TARGET_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
  421. endif
  422. endif
  423. #
  424. # Ok... that's enough of that.
  425. #
  426. -(cd $(TARGET_DIR)/bin && find -type f | xargs $(STRIPCMD) > /dev/null 2>&1)
  427. -(cd $(TARGET_DIR)/usr/bin && find -type f | xargs $(STRIPCMD) > /dev/null 2>&1)
  428. -(cd $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR) && $(STRIPCMD) cc1 cc1plus collect2 > /dev/null 2>&1)
  429. -(cd $(TARGET_DIR)/usr/lib && $(STRIPCMD) libstdc++.so.*.*.* > /dev/null 2>&1)
  430. -(cd $(TARGET_DIR)/lib && $(STRIPCMD) libgcc_s*.so.*.*.* > /dev/null 2>&1)
  431. #
  432. rm -f $(TARGET_DIR)/usr/lib/*.la*
  433. #rm -rf $(TARGET_DIR)/share/locale $(TARGET_DIR)/usr/info \
  434. # $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/doc
  435. # Work around problem of missing syslimits.h
  436. if [ ! -f $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/include/syslimits.h ]; then \
  437. echo "warning: working around missing syslimits.h"; \
  438. cp -f $(STAGING_DIR)/usr/$(GCC_LIB_SUBDIR)/include/syslimits.h \
  439. $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/include/; \
  440. fi
  441. # Make sure we have 'cc'.
  442. if [ ! -e $(TARGET_DIR)/usr/bin/cc ]; then \
  443. ln -snf gcc $(TARGET_DIR)/usr/bin/cc; \
  444. fi
  445. # These are in /lib, so...
  446. #rm -rf $(TARGET_DIR)/usr/lib/libgcc_s*.so*
  447. #touch -c $(TARGET_DIR)/usr/bin/gcc
  448. gcc_target: uclibc_target binutils_target $(TARGET_DIR)/usr/bin/gcc
  449. gcc_target-clean:
  450. rm -rf $(GCC_BUILD_DIR3)
  451. rm -f $(TARGET_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)*
  452. gcc_target-dirclean:
  453. rm -rf $(GCC_BUILD_DIR3)
  454. endif
  455. # gcc-3.x only
  456. endif