mirror of
https://github.com/crosstool-ng/crosstool-ng.git
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c64500d94b
In canadian builds, the target toolchain running on the build
machine is not compiling and installing target Newlib. Thus it
cannot by itself link target executables. This results in
errors for gnuprumcu package when its configure script attempts
to test the compiler:
.../ld: cannot find crt0.o: No such file or directory
configure:3738: error: C compiler cannot create executables
Fix by passing the host toolchains's sysroot in target CFLAGS.
While at it, also add a missing passing of target LDFLAGS.
Successfully tested the following canadian builds:
x86_64-unknown-linux-gnu,pru
x86_64-w64-mingw32,pru
arm-unknown-linux-gnueabihf,pru
Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
106 lines
3.2 KiB
Bash
106 lines
3.2 KiB
Bash
# Build script for gnuprumcu
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do_gnuprumcu_get() { :; }
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do_gnuprumcu_extract() { :; }
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do_gnuprumcu_for_build() { :; }
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do_gnuprumcu_for_host() { :; }
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do_gnuprumcu_for_target() { :; }
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if [ "${CT_COMP_LIBS_GNUPRUMCU}" = "y" ]; then
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do_gnuprumcu_get() {
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CT_Fetch GNUPRUMCU
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}
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do_gnuprumcu_extract() {
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CT_ExtractPatch GNUPRUMCU
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}
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do_gnuprumcu_for_target() {
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local -a gnuprumcu_opts
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local -a cflags
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cflags=${CT_ALL_TARGET_CFLAGS}
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# When building a canadian, newlib is installed
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# only in the host' sysroot. Thus the build toolchain
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# lacks CRT0 and LibC objects. Consequently the
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# gnuprumcu configure script fails with:
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# .../ld: cannot find crt0.o: No such file or directory
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# configure:3738: error: C compiler cannot create executables
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#
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# Fix by pointing the build toolchain to the host sysroot,
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# where the necessary target runtime files are available.
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case "${CT_TOOLCHAIN_TYPE}" in
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canadian) cflags="${cflags} --sysroot=${CT_SYSROOT_DIR}";;
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esac
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CT_DoStep INFO "Installing gnuprumcu for the target"
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CT_mkdir_pushd "${CT_BUILD_DIR}/build-gnuprumcu-target-${CT_TARGET}"
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gnuprumcu_opts+=( "destdir=${CT_SYSROOT_DIR}" )
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gnuprumcu_opts+=( "host=${CT_TARGET}" )
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gnuprumcu_opts+=( "cflags=${cflags}" )
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gnuprumcu_opts+=( "ldflags=${CT_ALL_TARGET_LDFLAGS}" )
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gnuprumcu_opts+=( "prefix=${CT_PREFIX_DIR}" )
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do_gnuprumcu_backend "${gnuprumcu_opts[@]}"
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CT_Popd
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CT_EndStep
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}
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# Build gnuprumcu
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# Parameter : description : type : default
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# destdir : out-of-tree install dir : string : /
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# host : machine to run on : tuple : (none)
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# prefix : prefix to install into : dir : (none)
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# cflags : cflags to use : string : (empty)
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# ldflags : ldflags to use : string : (empty)
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# shared : also buils shared lib : bool : n
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do_gnuprumcu_backend() {
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local destdir="/"
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local host
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local prefix
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local cflags
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local ldflags
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local shared
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local -a extra_config
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local arg
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for arg in "$@"; do
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eval "${arg// /\\ }"
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done
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CT_DoLog EXTRA "Configuring gnuprumcu"
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CT_DoExecLog CFG \
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CC="${CT_TARGET}-${CT_CC}" \
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RANLIB="${CT_TARGET}-ranlib" \
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CFLAGS="${cflags}" \
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LDFLAGS="${ldflags}" \
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${CONFIG_SHELL} \
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"${CT_SRC_DIR}/gnuprumcu/configure" \
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--build=${CT_BUILD} \
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--host=${CT_TARGET} \
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--prefix="${prefix}" \
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"${extra_config[@]}"
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CT_DoLog EXTRA "Building gnuprumcu"
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CT_DoExecLog ALL make
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CT_DoLog EXTRA "Installing gnuprumcu"
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# Guard against $destdir$prefix == //
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# which is a UNC path on Cygwin/MSYS2
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if [[ ${destdir} == / ]] && [[ ${prefix} == /* ]]; then
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destdir=
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fi
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CT_DoExecLog ALL make instroot="${destdir}" install
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}
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fi # CT_COMP_LIBS_GNUPRUMCU
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