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mpfr: Add support of building MPFR for target

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It's necessary for building native GDB 13+. It depends
on MPFR but it hasn't presented in scripts yet for building
for target.

Signed-off-by: Yuriy Kolerov <ykolerov@synopsys.com>
This commit is contained in:
Yuriy Kolerov 2023-05-12 09:33:55 +04:00 committed by Chris Packham
parent 65e5960a39
commit f283bb6b1a
2 changed files with 57 additions and 3 deletions
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4
config/comp_libs.in
View File

@ -61,6 +61,10 @@ config MPFR_NEEDED
select GMP_NEEDED
select COMP_LIBS_MPFR
config MPFR_TARGET
bool
select COMP_LIBS_MPFR
config ISL_NEEDED
bool
select GMP_NEEDED

56
scripts/build/companion_libs/110-mpfr.sh
View File

@ -9,7 +9,7 @@ do_mpfr_for_host() { :; }
do_mpfr_for_target() { :; }
# Overide function depending on configuration
if [ "${CT_MPFR}" = "y" ]; then
if [ "${CT_MPFR_TARGET}" = "y" -o "${CT_MPFR}" = "y" ]; then
# Download MPFR
do_mpfr_get() {
@ -82,17 +82,45 @@ do_mpfr_for_host() {
CT_EndStep
}
if [ "${CT_MPFR_TARGET}" = "y" ]; then
do_mpfr_for_target() {
local -a mpfr_opts
CT_DoStep INFO "Installing MPFR for target"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-mpfr-target-${CT_HOST}"
mpfr_opts+=( "host=${CT_TARGET}" )
case "${CT_TARGET}" in
*-*-mingw*)
prefix="/mingw"
;;
*)
prefix="/usr"
;;
esac
mpfr_opts+=( "cflags=${CT_ALL_TARGET_CFLAGS}" )
mpfr_opts+=( "prefix=${prefix}" )
mpfr_opts+=( "destdir=${CT_SYSROOT_DIR}" )
do_mpfr_backend "${mpfr_opts[@]}"
CT_Popd
CT_EndStep
}
fi
# Build MPFR
# 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_mpfr_backend() {
local host
local prefix
local cflags
local ldflags
local destdir
local arg
local -a extra_config
@ -123,13 +151,35 @@ do_mpfr_backend() {
--host=${host} \
--prefix="${prefix}" \
"${extra_config[@]}" \
--with-gmp="${prefix}" \
--with-gmp="${destdir}${prefix}" \
--disable-shared \
--enable-static
# If "${destdir}${prefix}" != "${prefix}" then it means that native MPFR
# is being built. In this case libgmp.la must be moved away while
# building MPFR. Otherwise libmpfr.la will contain this:
#
# dependency_libs=' -L<path-to-build-dir>/lib /usr/lib/libgmp.la'
#
# Build system then tries to link MPFR with host's libgmp.a. It happens
# because libgmp.a and libmpfr.a are built with --prefix=/usr while
# cross-compiling for target and MPFR depends on GMP. In this case
# libtool thinks that GMP resides in /usr/lib and uses wrong path.
# The only way to avoid such behavior is to replace libgmp.la
# temporarily to force libtool using -lgmp option instead wrong one.
if [ "${destdir}${prefix}" != "${prefix}" ]; then
if [ -f ${destdir}${prefix}/lib/libgmp.la ]; then
mv ${destdir}${prefix}/lib/libgmp.la ${destdir}${prefix}/lib/libgmp.la.bk
fi
fi
CT_DoLog EXTRA "Building MPFR"
CT_DoExecLog ALL make ${CT_JOBSFLAGS}
if [ -f ${destdir}${prefix}/lib/libgmp.la.bk ]; then
mv ${destdir}${prefix}/lib/libgmp.la.bk ${destdir}${prefix}/lib/libgmp.la
fi
if [ "${CT_COMPLIBS_CHECK}" = "y" ]; then
if [ "${host}" = "${CT_BUILD}" ]; then
CT_DoLog EXTRA "Checking MPFR"
@ -141,7 +191,7 @@ do_mpfr_backend() {
fi
CT_DoLog EXTRA "Installing MPFR"
CT_DoExecLog ALL make install
CT_DoExecLog ALL make install DESTDIR="${destdir}"
}
fi # CT_MPFR