scripts/build/companion_libs/gmp.sh
author Johannes Stezenbach <js@sig21.net>
Thu Jul 29 19:47:16 2010 +0200 (2010-07-29)
changeset 2045 fdaa6c7f6dea
parent 1893 f5dab3c43abf
child 2099 1bb063c8a0ca
permissions -rw-r--r--
cc/gcc: add option to compile against static libstdc++, for gcc-4.4 and newer

Idea and know-how taken from CodeSourcery build script.

Normal build:
$ ldd arm-unknown-linux-uclibcgnueabi-gcc
linux-gate.so.1 => (0xb77f3000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb76e8000)
libc.so.6 => /lib/i686/cmov/libc.so.6 (0xb75a1000)
libm.so.6 => /lib/i686/cmov/libm.so.6 (0xb757a000)
/lib/ld-linux.so.2 (0xb77f4000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb755c000)

CC_STATIC_LIBSTDCXX=y:
$ ldd arm-unknown-linux-uclibcgnueabi-gcc
linux-gate.so.1 => (0xb7843000)
libc.so.6 => /lib/i686/cmov/libc.so.6 (0xb76e6000)
/lib/ld-linux.so.2 (0xb7844000)

I made CC_STATIC_LIBSTDCXX default=y since I think
it is always desirable.

Signed-off-by: Johannes Stezenbach <js@sig21.net>
     1 # This file adds the functions to build the GMP library
     2 # Copyright 2008 Yann E. MORIN
     3 # Licensed under the GPL v2. See COPYING in the root of this package
     4 
     5 do_gmp_get() { :; }
     6 do_gmp_extract() { :; }
     7 do_gmp() { :; }
     8 do_gmp_target() { :; }
     9 
    10 # Overide functions depending on configuration
    11 if [ "${CT_GMP}" = "y" -o "${CT_GMP_TARGET}" = "y" ]; then
    12 
    13 # Download GMP
    14 do_gmp_get() {
    15     CT_GetFile "gmp-${CT_GMP_VERSION}" {ftp,http}://{ftp.sunet.se/pub,ftp.gnu.org}/gnu/gmp
    16 }
    17 
    18 # Extract GMP
    19 do_gmp_extract() {
    20     CT_Extract "gmp-${CT_GMP_VERSION}"
    21     CT_Patch "gmp" "${CT_GMP_VERSION}"
    22 }
    23 
    24 if [ "${CT_GMP}" = "y" ]; then
    25 
    26 do_gmp() {
    27     local -a gmp_opts
    28 
    29     mkdir -p "${CT_BUILD_DIR}/build-gmp"
    30     cd "${CT_BUILD_DIR}/build-gmp"
    31 
    32     CT_DoStep INFO "Installing GMP"
    33 
    34     CT_DoLog EXTRA "Configuring GMP"
    35 
    36     if [ "${CT_COMPLIBS_SHARED}" = "y" ]; then
    37         gmp_opts+=( --enable-shared --disable-static )
    38     else
    39         gmp_opts+=( --disable-shared --enable-static )
    40     fi
    41 
    42     CFLAGS="${CT_CFLAGS_FOR_HOST} -fexceptions"     \
    43     CT_DoExecLog ALL                                \
    44     "${CT_SRC_DIR}/gmp-${CT_GMP_VERSION}/configure" \
    45         --build=${CT_BUILD}                         \
    46         --host=${CT_HOST}                           \
    47         --prefix="${CT_COMPLIBS_DIR}"               \
    48         --enable-fft                                \
    49         --enable-mpbsd                              \
    50         --enable-cxx                                \
    51         "${gmp_opts[@]}"
    52 
    53     CT_DoLog EXTRA "Building GMP"
    54     CT_DoExecLog ALL make ${PARALLELMFLAGS}
    55 
    56     if [ "${CT_COMPLIBS_CHECK}" = "y" ]; then
    57         CT_DoLog EXTRA "Checking GMP"
    58         CT_DoExecLog ALL make ${PARALLELMFLAGS} -s check
    59     fi
    60 
    61     CT_DoLog EXTRA "Installing GMP"
    62     CT_DoExecLog ALL make install
    63 
    64     CT_EndStep
    65 }
    66 
    67 fi # CT_GMP
    68 
    69 if [ "${CT_GMP_TARGET}" = "y" ]; then
    70 
    71 do_gmp_target() {
    72     mkdir -p "${CT_BUILD_DIR}/build-gmp-target"
    73     cd "${CT_BUILD_DIR}/build-gmp-target"
    74 
    75     CT_DoStep INFO "Installing GMP for the target"
    76 
    77     CT_DoLog EXTRA "Configuring GMP"
    78     CFLAGS="${CT_CFLAGS_FOR_TARGET}"                \
    79     CT_DoExecLog ALL                                \
    80     "${CT_SRC_DIR}/gmp-${CT_GMP_VERSION}/configure" \
    81         --build=${CT_BUILD}                         \
    82         --host=${CT_TARGET}                         \
    83         --prefix=/usr                               \
    84         --disable-shared                            \
    85         --enable-static                             \
    86         --enable-fft                                \
    87         --enable-mpbsd                              \
    88 
    89     CT_DoLog EXTRA "Building GMP"
    90     CT_DoExecLog ALL make ${PARALLELMFLAGS}
    91 
    92     # Not possible to check MPFR while X-compiling
    93 
    94     CT_DoLog EXTRA "Installing GMP"
    95     CT_DoExecLog ALL make DESTDIR="${CT_SYSROOT_DIR}" install
    96 
    97     CT_EndStep
    98 }
    99 
   100 fi # CT_GMP_TARGET
   101 
   102 fi # CT_GMP || CT_GMP_TARGET