scripts/build/companion_libs/ppl.sh
author "Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
Fri Jan 27 13:31:16 2012 +0100 (2012-01-27)
changeset 2854 a70abdbfa342
parent 2460 132c00ad3d6e
child 2927 ddaae597fd7c
permissions -rw-r--r--
complibs/cloog: fix linking with libm

In Ubuntu 11.04 and 11.10, the default options for ld have changed.
--no-copy-dt-needed-entries and --as-needed are now enabled by default, which
causes errors like:

[EXTRA] Checking CLooG/ppl
[DEBUG] ==> Executing: 'make' '-j3' '-s' 'check'
[ALL ] Making check in .
[ALL ] config.status: creating include/cloog/cloog-config.h
[ALL ] config.status: include/cloog/cloog-config.h is unchanged
[ALL ] libtool: link: i686-build_pc-linux-gnu-gcc -Wall -fomit-frame-pointer
-pipe -o cloog cloog.o -L/<snip>/build/static/lib ./.libs/libcloog.a -lm
/<snip>/build/static/lib/libppl_c.a /<snip>/build/static/lib/libpwl.a
/<snip>/build/static/lib/libppl.a /<snip>/build/static/lib/libgmpxx.a
/<snip>/build/static/lib/libgmp.a -lstdc++
[ALL ] /usr/bin/ld: /<snip>/build/static/lib/libppl.a(MIP_Problem.o):
undefined reference to symbol 'sqrt@@GLIBC_2.0'
[ALL ] /usr/bin/ld: note: 'sqrt@@GLIBC_2.0' is defined in DSO
/usr/lib/gcc/i686-linux-gnu/4.6.1/../../../i386-linux-gnu/libm.so so try adding
it to the linker command line
[ALL ] /usr/lib/gcc/i686-linux-gnu/4.6.1/../../../i386-linux-gnu/libm.so:
could not read symbols: Invalid operation
[ALL ] collect2: ld returned 1 exit status
[ERROR] make[2]: *** [cloog] Error 1
[ERROR] make[1]: *** [check-recursive] Error 1

See:
https://wiki.ubuntu.com/NattyNarwhal/ToolchainTransition

This patch fixes these errors by placing '-lm' at the right place on the command
line as libppl requires libm when linking cloog.

Signed-off-by: "Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
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# This file adds the functions to build the PPL library
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# Copyright 2009 Yann E. MORIN
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# Licensed under the GPL v2. See COPYING in the root of this package
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do_ppl_get() { :; }
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do_ppl_extract() { :; }
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do_ppl() { :; }
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# Overide functions depending on configuration
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if [ "${CT_PPL}" = "y" ]; then
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# Download PPL
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do_ppl_get() {
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    CT_GetFile "ppl-${CT_PPL_VERSION}"                                      \
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        http://www.cs.unipr.it/ppl/Download/ftp/releases/${CT_PPL_VERSION}  \
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        ftp://ftp.cs.unipr.it/pub/ppl/releases/${CT_PPL_VERSION}            \
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        ftp://gcc.gnu.org/pub/gcc/infrastructure
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}
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# Extract PPL
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do_ppl_extract() {
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    CT_Extract "ppl-${CT_PPL_VERSION}"
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    CT_Patch "ppl" "${CT_PPL_VERSION}"
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}
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do_ppl() {
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    mkdir -p "${CT_BUILD_DIR}/build-ppl"
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    cd "${CT_BUILD_DIR}/build-ppl"
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    CT_DoStep INFO "Installing PPL"
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    CT_DoLog EXTRA "Configuring PPL"
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    CT_DoExecLog CFG                                \
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    CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \
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    CXXFLAGS="${CT_CFLAGS_FOR_HOST}"                \
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    "${CT_SRC_DIR}/ppl-${CT_PPL_VERSION}/configure" \
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        --build=${CT_BUILD}                         \
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        --host=${CT_HOST}                           \
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        --prefix="${CT_COMPLIBS_DIR}"               \
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        --with-libgmp-prefix="${CT_COMPLIBS_DIR}"   \
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        --with-libgmpxx-prefix="${CT_COMPLIBS_DIR}" \
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        --with-gmp-prefix="${CT_COMPLIBS_DIR}"      \
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        --enable-watchdog                           \
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        --disable-debugging                         \
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        --disable-assertions                        \
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        --disable-ppl_lcdd                          \
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        --disable-ppl_lpsol                         \
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        --disable-shared                            \
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        --enable-interfaces='c c++'                 \
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        --enable-static
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    # Maybe-options:
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    # --enable-optimization=speed  or sspeed (yes, with 2 's')
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    CT_DoLog EXTRA "Building PPL"
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    CT_DoExecLog ALL make ${JOBSFLAGS}
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    if [ "${CT_COMPLIBS_CHECK}" = "y" ]; then
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        CT_DoLog EXTRA "Checking PPL"
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        CT_DoExecLog ALL make ${JOBSFLAGS} -s check
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    fi
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    CT_DoLog EXTRA "Installing PPL"
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    CT_DoExecLog ALL make install
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    # Remove spuriously installed file
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    CT_DoExecLog ALL rm -f "${CT_PREFIX_DIR}/bin/ppl-config"
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    CT_EndStep
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}
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fi # CT_PPL