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cdae8d0559
libgccjit is still under development and, despite its name, may also be used for ahead-of-time compilation. Documentation can be found on the gcc website: https://gcc.gnu.org/onlinedocs/jit/internals/index.html https://gcc.gnu.org/wiki/JIT With this change it's possible to enable the building of the libgccjit. It's enabled as a language (with --enable-languages=jit) even if not a language frontend at all. The main changes are related to the requirement of having everything host side built as Position Independent Code (PIC) with --enable-host-shared. GCC has the needed logic for building its dependencies (mpc, gmp, mpfr, ...) correctly when built "in-tree", which is not the case with crosstool-ng (see https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=05048fc29f0) Signed-off-by: Marc Poulhiès <dkm@kataplop.net>
137 lines
3.8 KiB
Bash
137 lines
3.8 KiB
Bash
# This file adds the functions to build the zlib library
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# Copyright 2017 Alexey Neyman
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# Licensed under the GPL v2. See COPYING in the root of this package
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do_zlib_get() { :; }
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do_zlib_extract() { :; }
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do_zlib_for_build() { :; }
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do_zlib_for_host() { :; }
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do_zlib_for_target() { :; }
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# Overide functions depending on configuration
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if [ "${CT_ZLIB}" = "y" ]; then
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# Download zlib
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do_zlib_get() {
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CT_Fetch ZLIB
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}
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# Extract zlib
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do_zlib_extract() {
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CT_ExtractPatch ZLIB
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}
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# Build zlib for running on build
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# - always build statically
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# - install in build-tools prefix
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do_zlib_for_build() {
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local -a zlib_opts
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case "${CT_TOOLCHAIN_TYPE}" in
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native|cross) return 0;;
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esac
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CT_DoStep INFO "Installing zlib for build"
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CT_mkdir_pushd "${CT_BUILD_DIR}/build-zlib-build-${CT_BUILD}"
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zlib_opts+=( "host=${CT_BUILD}" )
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zlib_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
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zlib_opts+=( "cflags=${CT_CFLAGS_FOR_BUILD}" )
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zlib_opts+=( "ldflags=${CT_LDFLAGS_FOR_BUILD}" )
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do_zlib_backend "${zlib_opts[@]}"
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CT_Popd
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CT_EndStep
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}
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# Build zlib for running on host
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do_zlib_for_host() {
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local -a zlib_opts
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CT_DoStep INFO "Installing zlib for host"
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CT_mkdir_pushd "${CT_BUILD_DIR}/build-zlib-host-${CT_HOST}"
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zlib_opts+=( "host=${CT_HOST}" )
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zlib_opts+=( "prefix=${CT_HOST_COMPLIBS_DIR}" )
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zlib_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
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zlib_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
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do_zlib_backend "${zlib_opts[@]}"
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CT_Popd
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CT_EndStep
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}
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# Build zlib
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# Parameter : description : type : default
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# host : machine to run on : tuple : (none)
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# prefix : prefix to install into : dir : (none)
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# cflags : cflags to use : string : (empty)
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# ldflags : ldflags to use : string : (empty)
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do_zlib_backend() {
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local host
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local prefix
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local cflags
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local ldflags
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local arg
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local -a extra_config
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local -a extra_make
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for arg in "$@"; do
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eval "${arg// /\\ }"
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done
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if [ "${CT_CC_LANG_JIT}" = "y" ]; then
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cflags="${cflags} -fPIC"
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fi
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case "${host}" in
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*-mingw32)
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# zlib treats mingw host differently and requires using a different
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# makefile rather than configure+make. It also does not support
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# out-of-tree building.
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cp -av "${CT_SRC_DIR}/zlib/." .
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extra_make=( -f win32/Makefile.gcc \
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PREFIX="${host}-" \
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SHAREDLIB= \
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IMPLIB= \
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LIBRARY_PATH="${prefix}/lib" \
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INCLUDE_PATH="${prefix}/include" \
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BINARY_PATH="${prefix}/bin" \
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prefix="${prefix}" \
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)
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;;
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*)
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CT_DoLog EXTRA "Configuring zlib"
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CT_DoExecLog CFG \
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CFLAGS="${cflags}" \
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LDFLAGS="${ldflags}" \
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CHOST="${host}" \
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${CONFIG_SHELL} \
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"${CT_SRC_DIR}/zlib/configure" \
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--prefix="${prefix}" \
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--static \
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"${extra_config[@]}"
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;;
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esac
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CT_DoLog EXTRA "Building zlib"
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CT_DoExecLog ALL make "${extra_make[@]}" ${CT_JOBSFLAGS}
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if [ "${CT_COMPLIBS_CHECK}" = "y" ]; then
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if [ "${host}" = "${CT_BUILD}" ]; then
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CT_DoLog EXTRA "Checking zlib"
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CT_DoExecLog ALL make "${extra_make[@]}" -s test
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else
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# Cannot run host binaries on build in a canadian cross
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CT_DoLog EXTRA "Skipping check for zlib on the host"
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fi
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fi
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CT_DoLog EXTRA "Installing zlib"
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CT_DoExecLog ALL make "${extra_make[@]}" install
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}
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fi # CT_ZLIB
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