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c5a17024a9
GCC14 will treat implicit-function-declaration as an error by default. See https://gcc.gnu.org/gcc-14/porting_to.html for details. Some libc function like __trap34 are defined in assembly and break this GCC diagnostic. Signed-off-by: Nik Konyuchenko <spaun2002mobile@gmail.com>
139 lines
4.9 KiB
Bash
139 lines
4.9 KiB
Bash
# This file adds functions to build the Newlib C library
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# Copyright 2009 DoréDevelopment
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# Licensed under the GPL v2. See COPYING in the root of this package
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#
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# Edited by Martin Lund <mgl@doredevelopment.dk>
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#
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newlib_headers()
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{
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CT_DoStep INFO "Installing C library headers"
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CT_DoExecLog ALL cp -a "${CT_SRC_DIR}/newlib/newlib/libc/include/." "${CT_HEADERS_DIR}"
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if [ "${CT_ARCH_XTENSA}" = "y" ]; then
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CT_DoLog EXTRA "Installing Xtensa headers"
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CT_DoExecLog ALL cp -r "${CT_SRC_DIR}/newlib/newlib/libc/sys/xtensa/include/." \
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"${CT_HEADERS_DIR}"
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fi
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CT_EndStep
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}
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newlib_main()
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{
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local -a newlib_opts
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local cflags_for_target
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CT_DoStep INFO "Installing C library"
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CT_mkdir_pushd "${CT_BUILD_DIR}/build-libc"
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CT_DoLog EXTRA "Configuring C library"
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# Multilib is the default, so if it is not enabled, disable it.
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if [ "${CT_MULTILIB}" != "y" ]; then
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newlib_opts+=("--disable-multilib")
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fi
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if [ "${CT_LIBC_NEWLIB_IO_FLOAT}" = "y" ]; then
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newlib_opts+=( "--enable-newlib-io-float" )
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if [ "${CT_LIBC_NEWLIB_IO_LDBL}" = "y" ]; then
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newlib_opts+=( "--enable-newlib-io-long-double" )
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else
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newlib_opts+=( "--disable-newlib-io-long-double" )
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fi
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else
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newlib_opts+=( "--disable-newlib-io-float" )
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newlib_opts+=( "--disable-newlib-io-long-double" )
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fi
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if [ "${CT_LIBC_NEWLIB_DISABLE_SUPPLIED_SYSCALLS}" = "y" ]; then
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newlib_opts+=( "--disable-newlib-supplied-syscalls" )
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else
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newlib_opts+=( "--enable-newlib-supplied-syscalls" )
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fi
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yn_args="IO_POS_ARGS:newlib-io-pos-args
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IO_C99FMT:newlib-io-c99-formats
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IO_LL:newlib-io-long-long
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REGISTER_FINI:newlib-register-fini
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NANO_MALLOC:newlib-nano-malloc
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NANO_FORMATTED_IO:newlib-nano-formatted-io
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ATEXIT_DYNAMIC_ALLOC:newlib-atexit-dynamic-alloc
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GLOBAL_ATEXIT:newlib-global-atexit
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LITE_EXIT:lite-exit
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REENT_SMALL:newlib-reent-small
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MULTITHREAD:newlib-multithread
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RETARGETABLE_LOCKING:newlib-retargetable-locking
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WIDE_ORIENT:newlib-wide-orient
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FSEEK_OPTIMIZATION:newlib-fseek-optimization
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FVWRITE_IN_STREAMIO:newlib-fvwrite-in-streamio
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UNBUF_STREAM_OPT:newlib-unbuf-stream-opt
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ENABLE_TARGET_OPTSPACE:target-optspace
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"
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for ynarg in $yn_args; do
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var="CT_LIBC_NEWLIB_${ynarg%:*}"
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eval var=\$${var}
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argument=${ynarg#*:}
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if [ "${var}" = "y" ]; then
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newlib_opts+=( "--enable-$argument" )
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else
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newlib_opts+=( "--disable-$argument" )
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fi
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done
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[ "${CT_LIBC_NEWLIB_EXTRA_SECTIONS}" = "y" ] && \
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CT_LIBC_NEWLIB_TARGET_CFLAGS="${CT_LIBC_NEWLIB_TARGET_CFLAGS} -ffunction-sections -fdata-sections"
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[ "${CT_LIBC_NEWLIB_LTO}" = "y" ] && \
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CT_LIBC_NEWLIB_TARGET_CFLAGS="${CT_LIBC_NEWLIB_TARGET_CFLAGS} -flto"
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[ "${CT_GCC_14_or_later}" = "y" ] && \
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CT_LIBC_NEWLIB_TARGET_CFLAGS="${CT_LIBC_NEWLIB_TARGET_CFLAGS} -Wno-error=implicit-function-declaration -Wno-implicit-int"
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cflags_for_target="${CT_ALL_TARGET_CFLAGS} ${CT_LIBC_NEWLIB_TARGET_CFLAGS}"
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# Note: newlib handles the build/host/target a little bit differently
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# than one would expect:
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# build : not used
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# host : the machine building newlib
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# target : the machine newlib runs on
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CT_DoExecLog CFG \
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CC_FOR_BUILD="${CT_BUILD}-gcc" \
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CFLAGS_FOR_TARGET="${cflags_for_target}" \
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AR_FOR_TARGET="`which ${CT_TARGET}-gcc-ar`" \
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RANLIB_FOR_TARGET="`which ${CT_TARGET}-gcc-ranlib`" \
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${CONFIG_SHELL} \
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"${CT_SRC_DIR}/newlib/configure" \
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--host=${CT_BUILD} \
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--target=${CT_TARGET} \
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--prefix=${CT_PREFIX_DIR} \
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"${newlib_opts[@]}" \
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"${CT_LIBC_NEWLIB_EXTRA_CONFIG_ARRAY[@]}"
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CT_DoLog EXTRA "Building C library"
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CT_DoExecLog ALL make ${CT_JOBSFLAGS}
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CT_DoLog EXTRA "Installing C library"
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CT_DoExecLog ALL make install
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if [ "${CT_BUILD_MANUALS}" = "y" ]; then
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local -a doc_dir="${CT_BUILD_DIR}/build-libc/${CT_TARGET}"
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CT_DoLog EXTRA "Building and installing the C library manual"
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CT_DoExecLog ALL make pdf html
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# NEWLIB install-{pdf.html} fail for some versions
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CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}/share/doc/newlib"
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CT_DoExecLog ALL cp -av "${doc_dir}/newlib/libc/libc.pdf" \
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"${doc_dir}/newlib/libm/libm.pdf" \
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"${doc_dir}/newlib/libc/libc.html" \
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"${doc_dir}/newlib/libm/libm.html" \
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"${CT_PREFIX_DIR}/share/doc/newlib"
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fi
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CT_Popd
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CT_EndStep
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}
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