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[build error] ./.libs/libguile-2.0.so: undefined reference to `clock_get
From: |
Douglas Mencken |
Subject: |
[build error] ./.libs/libguile-2.0.so: undefined reference to `clock_getcpuclockid' |
Date: |
Tue, 10 May 2011 20:16:42 +0200 |
I'm trying to build guile-v2.0.1-53-g8f6a4b2, and got the following errors:
CC guile-guile.o
CCLD guile
./.libs/libguile-2.0.so: warning: the use of `tmpnam' is dangerous,
better use `mkstemp'
./.libs/libguile-2.0.so: warning: gethostbyaddr is obsolescent, use
getaddrinfo() instead.
./.libs/libguile-2.0.so: warning: gethostbyname is obsolescent, use
getnameinfo() instead.
./.libs/libguile-2.0.so: undefined reference to `clock_getcpuclockid'
collect2: ld returned 1 exit status
make[3]: *** [guile] Error 1
with make V=1:
Making all in libguile
make[2]: Entering directory
`/root/build-farm/guile-v2.0.1-53-g8f6a4b2.builddir/libguile'
make all-am
make[3]: Entering directory
`/root/build-farm/guile-v2.0.1-53-g8f6a4b2.builddir/libguile'
/bin/bash ../libtool --tag=CC --mode=link
powerpc-gnu-linux-uclibc-gcc -pthread -Wall -Wmissing-prototypes
-Wdeclaration-after-statement -Wswitch-enum -fvisibility=hidden -g -O2
-pthread -o guile guile-guile.o libguile-2.0.la -lcrypt -lm
libtool: link: powerpc-gnu-linux-uclibc-gcc -pthread -Wall
-Wmissing-prototypes -Wdeclaration-after-statement -Wswitch-enum
-fvisibility=hidden -g -O2 -pthread -o .libs/guile guile-guile.o
./.libs/libguile-2.0.so -L/usr/lib /usr/lib/libgc.so -lpthread
/usr/lib/libffi.so /usr/lib/libunistring.so /usr/lib/libiconv.so
/usr/lib/libgmp.so /usr/lib/libltdl.so -ldl -lcrypt -lm -pthread
./.libs/libguile-2.0.so: warning: the use of `tmpnam' is dangerous,
better use `mkstemp'
./.libs/libguile-2.0.so: warning: gethostbyaddr is obsolescent, use
getaddrinfo() instead.
./.libs/libguile-2.0.so: warning: gethostbyname is obsolescent, use
getnameinfo() instead.
./.libs/libguile-2.0.so: undefined reference to `clock_getcpuclockid'
collect2: ld returned 1 exit status
make[3]: *** [guile] Error 1
To get clock_getcpuclockid, it is needed to link with librt, where
this symbol is present (see also
http://joysofprogramming.com/undefined-reference-to-clock_getcpuclockid/).
Current workaround:
# cd libguile/
# /bin/bash ../libtool --tag=CC --mode=link
powerpc-gnu-linux-uclibc-gcc -pthread -Wall -Wmissing-prototypes
-Wdeclaration-after-statement -Wswitch-enum -fvisibility=hidden -g -O2
-pthread -o guile guile-guile.o libguile-2.0.la -lcrypt -lm -lrt
libtool: link: powerpc-gnu-linux-uclibc-gcc -pthread -Wall
-Wmissing-prototypes -Wdeclaration-after-statement -Wswitch-enum
-fvisibility=hidden -g -O2 -pthread -o .libs/guile guile-guile.o
./.libs/libguile-2.0.so -L/usr/lib /usr/lib/libgc.so -lpthread
/usr/lib/libffi.so /usr/lib/libunistring.so /usr/lib/libiconv.so
/usr/lib/libgmp.so /usr/lib/libltdl.so -ldl -lcrypt -lm -lrt -pthread
./.libs/libguile-2.0.so: warning: the use of `tmpnam' is dangerous,
better use `mkstemp'
./.libs/libguile-2.0.so: warning: gethostbyaddr is obsolescent, use
getaddrinfo() instead.
./.libs/libguile-2.0.so: warning: gethostbyname is obsolescent, use
getnameinfo() instead.
(i.e. it builds and links; after that, guile build process can be
resumed with make in source tree)
- [build error] ./.libs/libguile-2.0.so: undefined reference to `clock_getcpuclockid',
Douglas Mencken <=