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See crosstool-NG for lots more information.
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FYI, with the following two patches I build a working Microsoft Windows cross compile toolchain including GDB. diff -uNr x-tools_org/bin/lib/ct-ng.1.20.0/scripts/build/debug/300-gdb.sh x-tools/bin/lib/ct-ng.1.20.0/scripts/build/debug/300-gdb.sh --- x-tools_org/bin/lib/ct-ng.1.20.0/scripts/build/debug/300-gdb.sh 2015-04-09 13:16:16.000000000 +0200 +++ x-tools/bin/lib/ct-ng.1.20.0/scripts/build/debug/300-gdb.sh 2015-04-09 13:02:51.535477908 +0200 @@ -16,6 +16,9 @@ if [ "${CT_GDB_CROSS}" = y ]; then need_gdb_src=y + if [ "${CT_TOOLCHAIN_TYPE}" = "canadian" ]; then + need_expat_src=y + fi fi if [ "${CT_GDB_GDBSERVER}" = "y" ]; then @@ -130,6 +133,26 @@ cd "${CT_BUILD_DIR}/build-gdb-cross" cross_extra_config=("${extra_config[@]}") + + + if [ "${CT_TOOLCHAIN_TYPE}" = "canadian" ]; then + # Build libexpat + CT_DoLog EXTRA "Building static cross expat" + CT_mkdir_pushd "${CT_WORK_DIR}/${CT_REAL_HOST}/build-expat-cross" + + CT_DoExecLog CFG \ + "${CT_SRC_DIR}/expat-2.1.0/configure"\ + --host=${CT_HOST} \ + --prefix="${CT_WORK_DIR}/${CT_REAL_HOST}/libexpat-cross" + + CT_DoLog EXTRA "Building cross-expat" + CT_DoExecLog ALL make + CT_DoLog EXTRA "Install cross-expat" + CT_DoExecLog ALL make install + CT_Popd + cross_extra_config+=("--with-libexpat-prefix=${CT_WORK_DIR}/${CT_REAL_HOST}/libexpat-cross") + fi + cross_extra_config+=("--enable-expat") cross_extra_config+=("--with-expat=yes") case "${CT_THREADS}" in diff -r -u ../4.9.2/gcc/configure ./gcc/configure --- 4.9.2/gcc/configure 2013-01-08 11:41:18.212779007 -0800 +++ 4.9.2/gcc/configure 2013-01-08 11:41:49.396779627 -0800 @@ -9252,7 +9252,7 @@ else cat >>confdefs.h <<_ACEOF -#define caddr_t char * +//#define caddr_t char * _ACEOF fi ---------- Forwarded message ---------- From: Thomas T <thomasmailinglists9@gmail.com> Date: 2015-04-03 8:49 GMT+02:00 Subject: cross-gdb with expat support To: crossgcc@sourceware.org Hi, as a lot of others before I have a problem to compile a toolchain with a cross-gdb. I try to build a toolchain for [EXTRA] build = x86_64-unknown-linux-gnu [EXTRA] host = x86_64-w64-mingw32 [EXTRA] target = arm-none-linux-gnueabihf The first problem I solved by myself. I removed the multiple definitions of caddr_t. But now I fail to build the static cross-gdb, with the well known error "expat is missing or unusable". Crosstool-NG is the newest one 1.20, I also tried git/master. I already looked for a patch/ideas at the mailing list, patchwork, google, tried several changes in 300-gdb.sh but didn't found a solution... The build PC runs on Ubuntu 14.04. And, even I do not know if it is required as the host is a WindowsPC I installed libexpat1-dev. Is there currently a well known problem? Which additional infos shall I provide, any ideas? Best Regards Thomas -- For unsubscribe information see http://sourceware.org/lists.html#faq
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