crosstool-uclibc-0.28-rc5-ter.patch

linux下编译交叉工具链的工具源码

+    case ${C_LIBRARY} in
+        glibc)
 
-    # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
-    # so do them by hand.  We can tolerate an empty stubs.h for the moment.
-    # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
-
-    mkdir -p $HEADERDIR/gnu
-    touch $HEADERDIR/gnu/stubs.h
-    cp ${GLIBC_DIR}/include/features.h $HEADERDIR/features.h
-    # Building the bootstrap gcc requires either setting inhibit_libc, or
-    # having a copy of stdio_lim.h... see
-    # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
-    cp bits/stdio_lim.h $HEADERDIR/bits/stdio_lim.h
+            if test '!' -f Makefile; then
+                # The following three things have to be done to build
+                # glibc-2.3.x, but they don't hurt older versions.
+                # 1. override CC to keep glibc's configure from using
+                #    $TARGET-gcc. 
+                # 2. disable linuxthreads, which needs a real cross-compiler
+                #    to generate tcb-offsets.h properly
+                # 3. build with gcc 3.2 or later
+                # Compare these options with the ones used when building
+                # glibc for real below - they're different.
+                # As of glibc-2.3.2, to get this step to work for hppa-linux,
+                # you need --enable-hacker-mode so when configure checks to
+                # make sure gcc has access to the assembler you just built...
+                # Alternately, we could put ${PREFIX}/${TARGET}/bin on the
+                # path.  Set --build so maybe we don't have to specify
+                # "cross-compiling=yes" below (haven't tried yet)
+                # Note: the warning
+                # "*** WARNING: Are you sure you do not want to use the
+                # `linuxthreads' add-on? ***"
+                # is ok here, since all we want are the basic headers at
+                # this point.  build and host are a bit odd, but --host=$TARGET
+                # picks the right target, and --build=$HOST keeps it from
+                # thinking it's a native toolchain ever
+                CC=gcc \
+                    ${LIBC_DIR}/configure --host=$TARGET --prefix=/usr \
+                    --build=$BUILD \
+                    --without-cvs --disable-sanity-checks \
+                    --with-headers=${PREFIX}/${TARGET}/include \
+                    --enable-hacker-mode
+            fi
+
+            if grep -q GLIBC_2.3 ${LIBC_DIR}/ChangeLog; then
+                # glibc-2.3.x passes cross options to $(CC) when generating
+                # errlist-compat.c, which fails without a real cross-compiler.
+                # Fortunately, we don't need errlist-compat.c, since we just
+                # need .h files, so work around this by creating a fake
+                # errlist-compat.c and satisfying its dependencies.
+                # Another workaround might be to tell configure to not use any
+                # cross options to $(CC).  The real fix would be to get
+                # install-headers to not generate errlist-compat.c.
+                make sysdeps/gnu/errlist.c
+                mkdir -p stdio-common
+                touch stdio-common/errlist-compat.c
+            fi
+            make cross-compiling=yes install_root=${SYSROOT} \
+                ${GLIBC_SYSROOT_ARG} install-headers
+
+            # Two headers -- stubs.h and features.h -- aren't installed by
+            # install-headers, so do them by hand.  We can tolerate an empty
+            # stubs.h for the moment.
+            # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
+
+            mkdir -p $HEADERDIR/gnu
+            touch $HEADERDIR/gnu/stubs.h
+            cp ${LIBC_DIR}/include/features.h $HEADERDIR/features.h
+
+            # Building the bootstrap gcc requires either setting inhibit_libc,
+            # or having a copy of stdio_lim.h...
+            # see http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
+            cp bits/stdio_lim.h $HEADERDIR/bits/stdio_lim.h
+
+            ;;
+
+        uclibc)
+            if test '!' -f Makefile; then
+                perl ${LIBC_DIR}/relocate
+            fi
+
+            # Go find a .config, or make a new default one.
+            if test '!' -f .config; then
+                if test -z "${UCLIBCCONFIG}"; then
+                    if test -f ${LIBC_DIR}/.config; then
+                        cp ${LIBC_DIR}/.config .config
+                    else
+                        defaultuClibcConfig
+                    fi
+                else
+                    cp ${UCLIBCCONFIG} .config
+                fi
+            fi
+
+            correctuClibcConfig
+
+            # uClibc uses the CROSS environment variable as a prefix to the
+            # compiler tools to use.  Setting it to the empty string forces
+            # use of the native build host tools, which we need at this
+            # stage, as we don't have target tools yet.
+            CROSS= PREFIX=${SYSROOT}/ make headers install_headers
 
+            ;;
+    esac
     cd ..
 fi
 
@@ -254,14 +365,14 @@
 	--with-local-prefix=${SYSROOT} \
 	--disable-multilib \
 	--with-newlib \
-        ${GCC_EXTRA_CONFIG} \
 	${GCC_SYSROOT_ARG_CORE} \
 	--disable-nls \
 	--enable-threads=no \
 	--enable-symvers=gnu \
 	--enable-__cxa_atexit \
-        --enable-languages=c \
-	--disable-shared
+	--enable-languages=c \
+	--disable-shared \
+	${GCC_EXTRA_CONFIG}
 fi
 
 make $PARALLELMFLAGS all-gcc install-gcc
@@ -273,72 +384,119 @@
 #---------------------------------------------------------
 echo Build glibc and linuxthreads
 
-mkdir -p build-glibc; cd build-glibc
+mkdir -p build-libc; cd build-libc
 
-# sh4 really needs to set configparms as of gcc-3.4/glibc-2.3.2
-# note: this is awkward, doesn't work well if you need more than one line in configparms
-echo ${GLIBC_CONFIGPARMS} > configparms
+case ${C_LIBRARY} in
+    glibc)
+        # sh4 really needs to set configparms as of gcc-3.4/glibc-2.3.2
+        # note: this is awkward, doesn't work well if you need more than
+        # one line in configparms
+        echo ${GLIBC_CONFIGPARMS} > configparms
+
+        if test '!' -f Makefile; then
+            # Configure with --prefix the way we want it on the target...
+            # There are a whole lot of settings here.  You'll probably want
+            # to read up on what they all mean, and customize a bit.
+            # e.g. I picked --enable-kernel=2.4.3 here just because it's the
+            # kernel Bill used in his example gcc2.95.3 script.  That means
+            # some backwards compatibility stuff is turned on in glibc that
+            # you may not need if you're using a newer kernel.  Compare
+            # these options with the ones used when installing the glibc
+            # headers above - they're different.  Adding "--without-gd"
+            # option to avoid error "memusagestat.c:36:16: gd.h: No such
+            # file or directory"  See also:
+            #   http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html
+            # Set BUILD_CC, or you won't be able to build datafiles
+            # Set --build, else glibc-2.3.2 will think you're not
+            # cross-compiling, and try to run the test programs
+
+            BUILD_CC=gcc CFLAGS="$TARGET_CFLAGS" CC=${TARGET}-gcc \
+                AR=${TARGET}-ar RANLIB=${TARGET}-ranlib \
+                ${LIBC_DIR}/configure --host=$TARGET --prefix=/usr \
+                --build=$HOST ${GLIBC_EXTRA_CONFIG} \
+                --without-tls --without-__thread --enable-kernel=2.4.3 \
+                --without-cvs --disable-profile --disable-debug --without-gd \
+                --enable-add-ons --with-headers=$HEADERDIR
+        fi
+
+        # If this fails with an error like this:
+        # ...  linux/autoconf.h: No such file or directory 
+        # then you need to set the KERNELCONFIG variable to point to a
+        # .config file for this arch.  The following architectures are
+        # known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
+        # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory,
+        # at least on macosx.  No need for PARALLELMFLAGS here, Makefile
+        # already reads this environment variable
+        make LD=${TARGET}-ld RANLIB=${TARGET}-ranlib
+        make install install_root=${SYSROOT} $GLIBC_SYSROOT_ARG
+
+        # This doesn't seem to work when building a crosscompiler,
+        # as it tries to execute localedef using the just-build ld.so!?
+        #make localedata/install-locales install_root=${SYSROOT}
+
+        # Fix problems in linker scripts.
+        # 
+        # 1. Remove absolute paths
+        # Any file in a list of known suspects that isn't a symlink is
+        # assumed to be a linker script.
+        # FIXME: test -h is not portable
+        # FIXME: probably need to check more files than just these three...
+        # Need to use sed instead of just assuming we know what's in libc.so
+        # because otherwise alpha breaks.  But won't need to do this at all
+        # once we use --with-sysroot (available in gcc-3.3.3 and up)
+        #
+        # 2. Remove lines containing BUG per:
+        #    http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
+        # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
+        #
+        # To make "strip *.so.*" not fail (ptxdist does this), rename to
+        # .so_orig rather than .so.orig
+        for file in libc.so libpthread.so libgcc_s.so; do
+            for lib in lib lib64 usr/lib usr/lib64; do
+	        if test -f ${SYSROOT}/$lib/$file && test ! -h ${SYSROOT}/$lib/$file; then
+		    mv ${SYSROOT}/$lib/$file ${SYSROOT}/$lib/${file}_orig
+		    if test -z "$USE_SYSROOT"; then
+		        sed 's,/usr/lib/,,g;s,/usr/lib64/,,g;s,/lib/,,g;s,/lib64/,,g;/BUG in libc.scripts.output-format.sed/d' < ${SYSROOT}/$lib/${file}_orig > ${SYSROOT}/$lib/$file
+	            else
+		        sed '/BUG in libc.scripts.output-format.sed/d' < ${SYSROOT}/$lib/${file}_orig > ${SYSROOT}/$lib/$file
+		    fi
+	        fi
+            done
+        done
+
+        ;;
+
+    uclibc)
+        if test '!' -f Makefile; then
+            perl ${LIBC_DIR}/relocate
+        fi
+
+        # Go find a .config, or make a new default one.
+        if test '!' -f .config; then
+            if test -f ../build-libc-headers/.config; then
+                cp ../build-libc-headers/.config .config
+            elif test -z "${UCLIBCCONFIG}"; then
+                if test -f ${LIBC_DIR}/.config; then
+                    cp ${LIBC_DIR}/.config .config
+                else
+                    defaultuClibcConfig
+                fi
+            else
+                cp ${UCLIBCCONFIG} .config
+            fi
+        fi
+
+        correctuClibcConfig
+
+        # uClibc uses the CROSS environment variable as a prefix to the
+        # compiler tools to use.  The newly built tools should be in our
+        # path, so we need only give the correct name for them.
+        CROSS=${TARGET}- PREFIX=${PREFIX}/${TARGET}/ \
+            make all install
 
-if test '!' -f Makefile; then
-    # Configure with --prefix the way we want it on the target...
-    # There are a whole lot of settings here.  You'll probably want
-    # to read up on what they all mean, and customize a bit.
-    # e.g. I picked --enable-kernel=2.4.3 here just because it's the kernel Bill 
-    # used in his example gcc2.95.3 script.  That means some backwards compatibility 
-    # stuff is turned on in glibc that you may not need if you're using a newer kernel.
-    # Compare these options with the ones used when installing the glibc headers above - they're different.
-    # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory" 
-    # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html. 
-    # Set BUILD_CC, or you won't be able to build datafiles
-    # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
-
-    BUILD_CC=gcc CFLAGS="$TARGET_CFLAGS" CC=${TARGET}-gcc AR=${TARGET}-ar RANLIB=${TARGET}-ranlib \
-        ${GLIBC_DIR}/configure --host=$TARGET --prefix=/usr \
-	--build=$HOST \
-        ${GLIBC_EXTRA_CONFIG} \
-        --without-tls --without-__thread --enable-kernel=2.4.3 \
-        --without-cvs --disable-profile --disable-debug --without-gd \
-        --enable-add-ons --with-headers=$HEADERDIR
-fi
+        ;;
 
-# If this fails with an error like this:
-# ...  linux/autoconf.h: No such file or directory 
-# then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
-# The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
-# Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
-# No need for PARALLELMFLAGS here, Makefile already reads this environment variable
-make LD=${TARGET}-ld RANLIB=${TARGET}-ranlib
-make install install_root=${SYSROOT} $GLIBC_SYSROOT_ARG
-
-# This doesn't seem to work when building a crosscompiler,
-# as it tries to execute localedef using the just-build ld.so!?
-#make localedata/install-locales install_root=${SYSROOT}
-
-# Fix problems in linker scripts.
-# 
-# 1. Remove absolute paths