#12703: GLPK fails to build with LTO (`gcc -flto ...`)
-------------------------------------------------+-------------------------
Reporter: leif | Owner: leif
Type: defect | Status:
Priority: minor | needs_review
Component: packages: standard | Milestone: sage-6.4
Keywords: link time optimization nm | Resolution:
glpsol spkg upgrade update | Merged in:
Authors: Leif Leonhardy | Reviewers: Nathann
Report Upstream: Reported upstream. Developers | Cohen
acknowledge bug. | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by jpflori):
In fact in config.log I see:
{{{
configure:4682: gcc -c -flto conftest.c >&5
configure:4685: /usr/bin/nm -B "conftest.o"
/usr/bin/nm: conftest.o: plugin needed to handle lto object
configure:4688: output
0000000000000001 C __gnu_lto_slim
0000000000000001 C __gnu_lto_v1
...
configure:5616: checking for archiver @FILE support
configure:5633: gcc -c -flto conftest.c >&5
configure:5633: $? = 0
configure:5636: ar cru libconftest.a @conftest.lst >&5
BFD: conftest.o: plugin needed to handle lto object
configure:5639: $? = 0
configure:5644: ar cru libconftest.a @conftest.lst >&5
ar: conftest.o: No such file or directory
configure:5647: $? = 1
...
configure:5945: checking command to parse /usr/bin/nm -B output from gcc
object
configure:6065: gcc -c -flto conftest.c >&5
configure:6068: $? = 0
configure:6072: /usr/bin/nm -B conftest.o \| sed -n -e 's/^.*[
]\([ABCDGIRSTW][ABCDGIRSTW]*\)[ ][ ]*\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2
\2/p' | sed '/ __gnu_lto/d' \> conftest.nm
/usr/bin/nm: conftest.o: plugin needed to handle lto object
configure:6075: $? = 0
cannot run sed -n -e 's/^.*[ ]\([ABCDGIRSTW][ABCDGIRSTW]*\)[
][ ]*\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2 \2/p' | sed '/ __gnu_lto/d'
configure:6065: gcc -c -flto conftest.c >&5
configure:6068: $? = 0
configure:6072: /usr/bin/nm -B conftest.o \| sed -n -e 's/^.*[
]\([ABCDGIRSTW][ABCDGIRSTW]*\)[ ][ ]*_\([_A-Za-z][_A-Za-z0-9]*\)$/\1 _\2
\2/p' | sed '/ __gnu_lto/d' \> conftest.nm
/usr/bin/nm: conftest.o: plugin needed to handle lto object
configure:6075: $? = 0
cannot run sed -n -e 's/^.*[ ]\([ABCDGIRSTW][ABCDGIRSTW]*\)[
][ ]*_\([_A-Za-z][_A-Za-z0-9]*\)$/\1 _\2 \2/p' | sed '/ __gnu_lto/d'
configure:6179: result: failed
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/12703#comment:49>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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