crosstool-uclibc-0.28-rc5-ter.patch

linux下编译交叉工具链的工具源码

diff -Naur crosstool-0.28-rc5-orig/all.sh crosstool-0.28-rc5/all.sh
--- crosstool-0.28-rc5-orig/all.sh	2004-03-30 22:37:37.000000000 -0800
+++ crosstool-0.28-rc5/all.sh	2004-06-19 12:17:30.000000000 -0700
@@ -17,7 +17,13 @@
 test -z "${BINUTILS_DIR}"     && abort "Please set BINUTILS_DIR to the bare filename of the binutils tarball or directory"
 test -z "${GCC_DIR}"          && abort "Please set GCC_DIR to the bare filename of the gcc tarball or directory"
 test -z "${LINUX_DIR}"        && abort "Please set LINUX_DIR to the bare filename of the kernel tarball or directory"
-test -z "${GLIBC_DIR}"        && abort "Please set GLIBC_DIR to the bare filename of the glibc tarball or directory"
+test -z "${LIBC_DIR}"         && abort "Please set LIBC_DIR to the bare filename of the C library tarball or directory"
+test -z "${C_LIBRARY}"        && abort "Please set C_LIBRARY to 'glibc' or 'uclibc'"
+case ${C_LIBRARY} in
+    glibc)  ;;
+    uclibc) ;;
+    *)      abort "Unsupported C library ${C_LIBRARY}; please set C_LIBRARY to 'glibc' or 'uclibc'"
+esac
 
 # Three environment variables are optional, namely:
 test -z "${DEJAGNU}"          && echo  "DEJAGNU not set, so not running any regression tests"
@@ -32,7 +38,7 @@
 
 set -ex
 
-TOOLCOMBO=$GCC_DIR-$GLIBC_DIR
+TOOLCOMBO=$GCC_DIR-$LIBC_DIR
 BUILD_DIR=`pwd`/build/$TARGET/$TOOLCOMBO
 TOP_DIR=`pwd`
 
@@ -43,15 +49,17 @@
 fi
 
 # Sanity checks
-case x$PREFIX in
-x/) abort "Don't set PREFIX to /, as \$PREFIX gets deleted!" ;;
-x/usr) abort "Don't set PREFIX to /usr, as \$PREFIX gets deleted!" ;;
-*) ;;
-esac
+if test "x${PREFIX_NO_REMOVE}" = "x"; then
+    case x$PREFIX in
+        x/) abort "Don't set PREFIX to /, as \$PREFIX gets deleted!" ;;
+        x/usr) abort "Don't set PREFIX to /usr, as \$PREFIX gets deleted!" ;;
+        *) ;;
+    esac
+fi
 
 case x$USER in
-xroot) abort "Don't run all.sh or crosstool.sh as root, it's dangerous" ;;
-*) ;;
+    xroot) abort "Don't run all.sh or crosstool.sh as root, it's dangerous" ;;
+    *) ;;
 esac
 
 # Arbitrary locations for the input and output of the build.
@@ -96,15 +104,19 @@
 
 if test "$opt_no_build" = ""; then
     # Build
-    rm  -rf  $PREFIX
-    mkdir -p $PREFIX
+    if test "x${PREFIX_NO_REMOVE}" = "x"; then
+        rm  -rf  $PREFIX
+        mkdir -p $PREFIX
+    else
+        rm -rf $PREFIX/$TARGET
+    fi
     mkdir -p $BUILD_DIR
     cd $BUILD_DIR
     sh $TOP_DIR/crosstool.sh
     cd $TOP_DIR
 
     # Cute little compile test
-    sh testhello.sh
+    sh testhello.sh $GCC_LANGUAGES
 fi
 
 if test "$opt_builduserland" = "1"; then
diff -Naur crosstool-0.28-rc5-orig/crosstest.sh crosstool-0.28-rc5/crosstest.sh
--- crosstool-0.28-rc5-orig/crosstest.sh	2004-03-18 10:22:32.000000000 -0800
+++ crosstool-0.28-rc5/crosstest.sh	2004-06-19 12:17:30.000000000 -0700
@@ -23,7 +23,13 @@
 test -z "${BUILD_DIR}"      && abort "Please set BUILD_DIR to the directory build-gcc etc. live in"
 test -z "${BINUTILS_DIR}"   && abort "Please set BINUTILS_DIR to the bare filename of the binutils tarball or directory"
 test -z "${GCC_DIR}"        && abort "Please set GCC_DIR to the bare filename of the gcc tarball or directory"
-test -z "${GLIBC_DIR}"      && abort "Please set GLIBC_DIR to the bare filename of the glibc tarball or directory"
+test -z "${LIBC_DIR}"       && abort "Please set LIBC_DIR to the bare filename of the C library tarball or directory"
+test -z "${C_LIBRARY}"      && abort "Please set C_LIBRARY to 'glibc' or 'uclibc'"
+case ${C_LIBRARY} in
+    glibc)  ;;
+    uclibc) ;;
+    *)      abort "Unsupported C library ${C_LIBRARY}; please set C_LIBRARY to 'glibc' or 'uclibc'"
+esac
 test -z "${TARGET}"         && abort "Please set TARGET to the Gnu target identifier (e.g. pentium-linux)"
 test -z "${TARGET_CFLAGS}"  && abort "Please set TARGET_CFLAGS to any compiler flags needed when building glibc (-O recommended)"
 test -z "${TOP_DIR}"        && abort "Please set TOP_DIR to where the crosstool scripts live"
@@ -108,7 +114,7 @@
 find . -name '*.log' | xargs rm -f
 
 #--- glibc tests ---
-if true; then
+if test "${C_LIBRARY}" = glibc ; then
 cd build-glibc
 
 make tests
@@ -184,7 +190,7 @@
    echo "Some glibc test failed.  Check logfiles on target in /jail/build-glibc/*/*.out."
 fi
 # it's not really a summary yet, but let's copy it up anyway
-cp glibctest.out $TOP_DIR/$TARGET-$GCC_DIR-$GLIBC_DIR.glibc.sum
+cp glibctest.out $TOP_DIR/$TARGET-$GCC_DIR-$LIBC_DIR.glibc.sum
 fi
 
 #--- gcc tests ---
@@ -253,7 +259,7 @@
 # Run standard test log analysis tool
 sh ../${GCC_DIR}/contrib/test_summary  | sed '1d;/EOF/,$d' > test_summary.log
 
-cp test_summary.log $TOP_DIR/$TARGET-$GCC_DIR-$GLIBC_DIR.gcc.sum
+cp test_summary.log $TOP_DIR/$TARGET-$GCC_DIR-$LIBC_DIR.gcc.sum
 
 cd ..
 
@@ -269,7 +275,7 @@
 	echo "" >> test_summary.log
 done
 
-cp test_summary.log $TOP_DIR/$TARGET-$GCC_DIR-$GLIBC_DIR.binutils.sum
+cp test_summary.log $TOP_DIR/$TARGET-$GCC_DIR-$LIBC_DIR.binutils.sum
 
 cd ..
 
diff -Naur crosstool-0.28-rc5-orig/crosstool.sh crosstool-0.28-rc5/crosstool.sh
--- crosstool-0.28-rc5-orig/crosstool.sh	2004-04-11 02:06:56.000000000 -0700
+++ crosstool-0.28-rc5/crosstool.sh	2004-06-19 12:17:30.000000000 -0700
@@ -24,7 +24,13 @@
 test -z "${SRC_DIR}"          && abort "Please set SRC_DIR to the directory where the source tarballs are to be unpacked"
 test -z "${BINUTILS_DIR}"     && abort "Please set BINUTILS_DIR to the bare filename of the binutils tarball or directory"
 test -z "${GCC_DIR}"          && abort "Please set GCC_DIR to the bare filename of the gcc tarball or directory"
-test -z "${GLIBC_DIR}"        && abort "Please set GLIBC_DIR to the bare filename of the glibc tarball or directory"
+test -z "${LIBC_DIR}"         && abort "Please set LIBC_DIR to the bare filename of the C library tarball or directory"
+test -z "${C_LIBRARY}"        && abort "Please set C_LIBRARY to 'glibc' or 'uclibc'"
+case ${C_LIBRARY} in
+    glibc)  ;;
+    uclibc) ;;
+    *)      abort "Unsupported C library ${C_LIBRARY}; please set C_LIBRARY to 'glibc' or 'uclibc'"
+esac
 test -z "${LINUX_DIR}"        && abort "Please set LINUX_DIR to the bare filename of the kernel tarball or directory"
 test -z "${TARGET}"           && abort "Please set TARGET to the Gnu target identifier (e.g. pentium-linux)"
 test -z "${TARGET_CFLAGS}"    && abort "Please set TARGET_CFLAGS to any compiler flags needed when building glibc (-O recommended)"
@@ -33,10 +39,12 @@
 test -z "${GCC_EXTRA_CONFIG}" && echo  "GCC_EXTRA_CONFIG not set, so not passing any extra options to gcc's configure script"
 test -z "${GLIBC_EXTRA_CONFIG}" && echo "GLIBC_EXTRA_CONFIG not set, so not passing any extra options to glibc's configure script"
 test -z "${GLIBC_EXTRA_ENV}"  && echo "GLIBC_EXTRA_ENV not set, so not passing any extra environment variables to glibc's configure script"
-test -z "${KERNELCONFIG}" && test -z ${LINUX_DIR}/.config  && echo  "KERNELCONFIG not set, and no .config file found, so not configuring linux kernel"
+test -z "${KERNELCONFIG}" && test '!' -f ${LINUX_DIR}/.config  && echo  "KERNELCONFIG not set, and no .config file found, so not configuring linux kernel"
+test "${C_LIBRARY}" = uclibc && test -z "${UCLIBCCONFIG}" &&  test '!' -f ${LIBC_DIR}/.config && echo "UCLIBCCONFIG not set, and no .config file found, so using a default config\n    You will probably want to change this."
 test -z "${USE_SYSROOT}"     && echo  "USE_SYSROOT not set, so not configuring with --with-sysroot"
 
 test -z "${KERNELCONFIG}" || test -r "${KERNELCONFIG}"  || abort  "Can't read file KERNELCONFIG = $KERNELCONFIG, please fix."
+test -z "${UCLIBCCONFIG}" || test -r "${UCLIBCCONFIG}"  || abort  "Can't read file UCLIBCCONFIG = $UCLIBCCONFIG, please fix."
 
 test -z "${LD_LIBRARY_PATH}" || abort  "glibc refuses to build if LD_LIBRARY_PATH is set.  Please unset it before running this script."
 
@@ -46,7 +54,9 @@
 GCC_LANGUAGES=${GCC_LANGUAGES-c,c++}
 
 # And one is derived.
-GLIBCTHREADS_FILENAME=`echo $GLIBC_DIR | sed 's/glibc-/glibc-linuxthreads-/'`
+if test "${C_LIBRARY}" = glibc ; then
+    GLIBCTHREADS_FILENAME=`echo $LIBC_DIR | sed 's/glibc-/glibc-linuxthreads-/'`
+fi
 
 # Check for a few prerequisites that have tripped people up.
 awk '/x/' < /dev/null  || abort "You need awk to build a toolchain."
@@ -83,7 +93,7 @@
 BINUTILS_DIR=`cd ${SRC_DIR}/${BINUTILS_DIR}; pwd`
 GCC_DIR=`cd ${SRC_DIR}/${GCC_DIR}; pwd`
 LINUX_DIR=`cd ${SRC_DIR}/${LINUX_DIR}; pwd`
-GLIBC_DIR=`cd ${SRC_DIR}/${GLIBC_DIR}; pwd`
+LIBC_DIR=`cd ${SRC_DIR}/${LIBC_DIR}; pwd`
 
 # make sure the build product's binaries are in the search path
 PATH="${PREFIX}/bin:${PATH}"
@@ -183,6 +193,60 @@
 test -x ${PREFIX}/bin/${TARGET}-ld || abort Build failed during binutils 
 
 #---------------------------------------------------------
+#
+# A few functions for configuring uClibc, since they're used twice
+defaultuClibcConfig() {
+    make defconfig
+    UCARCH=${ARCH}
+    if test "${UCARCH}" = "ppc"; then
+        UCARCH=powerpc
+    fi
+
+    cat > munge-defconfig.sed <<-ENDSED
+		s/^\\(TARGET_.*\\)=y$/\\# \\1 is not set/
+		s/^\\# TARGET_${UCARCH} is not set/TARGET_${UCARCH}=y/
+		s/^TARGET_ARCH=".*"/TARGET_ARCH="${UCARCH}"/
+		s/^\\(TARGET_.*_ENDIAN\\)=y/\\# \\1 is not set/
+ENDSED
+    sed -i -f munge-defconfig.sed .config
+}
+
+correctuClibcConfig() {
+    # Change paths to work with crosstool
+    QUOTED_LINUX_DIR=`echo ${LINUX_DIR} | sed -e 's/\//\\\\\//g'`
+    cat > munge-oldconfig.sed <<-ENDSED
+		s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/"/
+		s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
+		s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${QUOTED_LINUX_DIR}"/
+		s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
+ENDSED
+    # Force on options needed for C++ if we'll be making a C++ compiler.
+    # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
+    # entirely if LOCALE is not set.  If LOCALE was already set, we'll
+    # assume the user has already made all the appropriate generation
+    # arrangements.  Note that having the uClibc Makefile download the
+    # pregenerated locales is not compatible with crosstool; besides,
+    # crosstool downloads them as part of getandpatch.sh.
+    if echo "$TESTLANG" | egrep "(^|,)c++(,|\$)"; then
+        cat >> munge-oldconfig.sed <<-ENDSED
+		s/^\\# DO_C99_MATH is not set/DO_C99_MATH=y/
+		s/^\\# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
+ENDSED
+        if grep -v UCLIBC_HAS_GETTEXT_AWARENESS .config; then
+            # This one often slips through the cracks when script-adding
+            # locale support
+            cat >> munge-oldconfig.sed <<-ENDSED
+		/UCLIBC_HAS_GNU_GETOPT/ i \\
+		\\# UCLIBC_HAS_GETTEXT_AWARENESS is not set\\n
+ENDSED
+        fi
+    fi
+    sed -i -f munge-oldconfig.sed .config
+#		s/^\\# UCLIBC_HAS_WCHAR is not set/UCLIBC_HAS_WCHAR=y/
+#		s/^\\# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\nUCLIBC_PREGENERATED_LOCALE_DATA=y\\n\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\n\\# UCLIBC_HAS_XLOCALE is not set/
+}
+
+#---------------------------------------------------------
 echo "Install glibc headers needed to build bootstrap compiler -- but only if gcc-3.x"
 
 # Only need to install bootstrap glibc headers for gcc-3.0 and above?  Or maybe just gcc-3.3 and above?
@@ -190,55 +254,102 @@
 # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
 # Don't install them if they're already there (it's really slow)
 if grep -q gcc-3 ${GCC_DIR}/ChangeLog && test '!' -f $HEADERDIR/features.h; then
-    mkdir -p build-glibc-headers; cd build-glibc-headers
+    mkdir -p build-libc-headers; cd build-libc-headers
 
-    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 \
-            ${GLIBC_DIR}/configure --host=$TARGET --prefix=/usr \
-	    --build=$HOST \
-            --without-cvs --disable-sanity-checks --with-headers=$HEADERDIR \
-	    --enable-hacker-mode
-    fi
-
-    if grep -q GLIBC_2.3 ${GLIBC_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