安装 GCC－4.4.1 出错，
RedHat AS5上安装 GCC－4.4.1 出错：已经安装了 gmp 及 mpfr，均已make check过，在gcc make 时报错，如下：应该是没链到mpfr库吧，
gcc-g -fkeep-inline-functions -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wcast-qual -Wold-style-definition -Wc++-compat -Wmissing-format-attribute -fno-common-DHAVE_CONFIG_H-o cc1-dummy c-lang.o stub-objc.o attribs.o c-errors.o c-lex.o c-pragma.o c-decl.o c-typeck.o c-convert.o c-aux-info.o c-common.o c-opts.o c-format.o c-semantics.o c-ppoutput.o c-cppbuiltin.o c-objc-common.o c-dump.o c-pch.o c-parser.o i386-c.o c-gimplify.o tree-mudflap.o c-pretty-print.o c-omp.o dummy-checksum.o \
main.o tree-browser.o libbackend.a ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a ../libcpp/libcpp.a ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a -lmpfr -lgmp
libbackend.a(builtins.o): In function `fold_builtin_1':
/usr/src/gcc4/gcc-4.4.1/host-i686-pc-linux-gnu/gcc/../.././gcc/builtins.c:10291: undefined reference to `mpfr_j0'
/usr/src/gcc4/gcc-4.4.1/host-i686-pc-linux-gnu/gcc/../.././gcc/builtins.c:10297: undefined reference to `mpfr_j1'
/usr/src/gcc4/gcc-4.4.1/host-i686-pc-linux-gnu/gcc/../.././gcc/builtins.c:10303: undefined reference to `mpfr_y0'
/usr/src/gcc4/gcc-4.4.1/host-i686-pc-linux-gnu/gcc/../.././gcc/builtins.c:10309: undefined reference to `mpfr_y1'
libbackend.a(builtins.o): In function `fold_builtin_2':
/usr/src/gcc4/gcc-4.4.1/host-i686-pc-linux-gnu/gcc/../.././gcc/builtins.c:10430: undefined reference to `mpfr_jn'
/usr/src/gcc4/gcc-4.4.1/host-i686-pc-linux-gnu/gcc/../.././gcc/builtins.c:10436: undefined reference to `mpfr_yn'
/usr/src/gcc4/gcc-4.4.1/host-i686-pc-linux-gnu/gcc/../.././gcc/builtins.c:10444: undefined reference to `mpfr_remainder'
libbackend.a(builtins.o): In function `do_mpfr_remquo':
/usr/src/gcc4/gcc-4.4.1/host-i686-pc-linux-gnu/gcc/../.././gcc/builtins.c:13344: undefined reference to `mpfr_remquo'
libbackend.a(builtins.o): In function `do_mpfr_lgamma_r':
/usr/src/gcc4/gcc-4.4.1/host-i686-pc-linux-gnu/gcc/../.././gcc/builtins.c:13422: undefined reference to `mpfr_lgamma'
collect2: ld returned 1 exit status
make: *** Error 1
make: Leaving directory `/usr/src/gcc4/gcc-4.4.1/host-i686-pc-linux-gnu/gcc'
make: *** Error 2
make: Leaving directory `/usr/src/gcc4/gcc-4.4.1'
make: *** Error 2
make: Leaving directory `/usr/src/gcc4/gcc-4.4.1'
make: *** Error 2
[ 本帖最后由 kgd7558 于 2009-8-30 09:54 编辑 ] mpfr-dev
另外，如果链接不上configure的时候可以指定参数
自己去gcc网站上找安装指南去吧 直接把gmp 及 mpfr解压到gcc目录下，再./configure和make就可以了，详情可参考lfs 6.5
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