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# This file adds the functions to build the GMP library
# Copyright 2008 Yann E. MORIN
# Licensed under the GPL v2. See COPYING in the root of this package
do_gmp_get() { :; }
do_gmp_extract() { :; }
do_gmp_for_build() { :; }
do_gmp_for_host() { :; }
do_gmp_for_target() { :; }
# Overide functions depending on configuration
if [ "${CT_GMP_TARGET}" = "y" -o "${CT_GMP}" = "y" ]; then
# Download GMP
do_gmp_get() {
CT_Fetch GMP
}
# Extract GMP
do_gmp_extract() {
CT_ExtractPatch GMP
}
# Build GMP for running on build
# - always build statically
# - install in build-tools prefix
do_gmp_for_build() {
local -a gmp_opts
case "${CT_TOOLCHAIN_TYPE}" in
native|cross) return 0;;
esac
CT_DoStep INFO "Installing GMP for build"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-gmp-build-${CT_BUILD}"
gmp_opts+=( "host=${CT_BUILD}" )
gmp_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
gmp_opts+=( "cflags=${CT_CFLAGS_FOR_BUILD}" )
gmp_opts+=( "ldflags=${CT_LDFLAGS_FOR_BUILD}" )
do_gmp_backend "${gmp_opts[@]}"
CT_Popd
CT_EndStep
}
# Build GMP for running on host
do_gmp_for_host() {
local -a gmp_opts
CT_DoStep INFO "Installing GMP for host"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-gmp-host-${CT_HOST}"
gmp_opts+=( "host=${CT_HOST}" )
gmp_opts+=( "prefix=${CT_HOST_COMPLIBS_DIR}" )
gmp_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
gmp_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
do_gmp_backend "${gmp_opts[@]}"
CT_Popd
CT_EndStep
}
if [ "${CT_GMP_TARGET}" = "y" ]; then
do_gmp_for_target() {
local -a gmp_opts
CT_DoStep INFO "Installing GMP for target"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-gmp-target-${CT_HOST}"
gmp_opts+=( "host=${CT_TARGET}" )
case "${CT_TARGET}" in
*-*-mingw*)
prefix="/mingw"
;;
*)
prefix="/usr"
;;
esac
gmp_opts+=( "cflags=${CT_ALL_TARGET_CFLAGS}" )
gmp_opts+=( "prefix=${prefix}" )
gmp_opts+=( "destdir=${CT_SYSROOT_DIR}" )
gmp_opts+=( "shared=${CT_SHARED_LIBS}" )
do_gmp_backend "${gmp_opts[@]}"
CT_Popd
CT_EndStep
}
fi
# Build GMP
# Parameter : description : type : default
# host : machine to run on : tuple : (none)
# prefix : prefix to install into : dir : (none)
# cflags : cflags to use : string : (empty)
# ldflags : ldflags to use : string : (empty)
# destdir : install destination : dir : (none)
do_gmp_backend() {
local host
local prefix
local cflags
local ldflags
local arg
local -a extra_config
for arg in "$@"; do
eval "${arg// /\\ }"
done
CT_DoLog EXTRA "Configuring GMP"
# To avoid “illegal text-relocation” linking error against
# the static library, see:
# https://github.com/Homebrew/homebrew-core/pull/25470
case "${host}" in
*darwin*)
extra_config+=("--with-pic")
;;
esac
if [ "${CT_CC_LANG_JIT}" = "y" ]; then
extra_config+=("--with-pic")
fi
# GMP's configure script doesn't respect the host parameter
# when not cross-compiling, ie when build == host so set
# CC_FOR_BUILD and CPP_FOR_BUILD.
CT_DoExecLog CFG \
CC_FOR_BUILD="${CT_BUILD}-gcc" \
CPP_FOR_BUILD="{CT_BUILD}-cpp" \
CC="${host}-gcc" \
CFLAGS="${cflags} -fexceptions" \
LDFLAGS="${ldflags}" \
${CONFIG_SHELL} \
"${CT_SRC_DIR}/gmp/configure" \
--build=${CT_BUILD} \
--host=${host} \
--prefix="${prefix}" \
--enable-fft \
--enable-cxx \
--disable-shared \
--enable-static \
"${extra_config[@]}"
CT_DoLog EXTRA "Building GMP"
CT_DoExecLog ALL make ${CT_JOBSFLAGS}
if [ "${CT_COMPLIBS_CHECK}" = "y" ]; then
if [ "${host}" = "${CT_BUILD}" ]; then
CT_DoLog EXTRA "Checking GMP"
CT_DoExecLog ALL make ${CT_JOBSFLAGS} -s check
else
# Cannot run host binaries on build in a canadian cross
CT_DoLog EXTRA "Skipping check for GMP on the host"
fi
fi
CT_DoLog EXTRA "Installing GMP"
CT_DoExecLog ALL make install DESTDIR="${destdir}"
}
fi # CT_GMP
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