https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97692
ninos <nju044 at hotmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |UNCONFIRMED Resolution|INVALID |--- --- Comment #8 from ninos <nju044 at hotmail dot com> --- (In reply to Andreas Schwab from comment #7) > https://gcc.gnu.org/install/ I have another project last week, so sorry for the late reply. I've tried, but still failed. Warnings and errors are as follows(searched from log.do_configure): 1. configure: WARNING: unrecognized options: --disable-dependency-tracking, --with-libtool-sysroot, --enable-languages, --enable-threads, --enable-default-pie, --enable-c99, --enable-long-long, --enable-symvers, --enable-libstdcxx-pch, --without-local-prefix, --enable-lto, --disable-libssp, --enable-libitm, --disable-bootstrap, --disable-libmudflap, --with-system-zlib, --with-linker-hash-style, --enable-linker-build-id, --with-ppl, --with-cloog, --enable-checking, --enable-cheaders, --without-isl, --with-sysroot, --with-build-sysroot, --disable-nls, --with-glibc-version, --enable-initfini-array, --enable-__cxa_atexit 2. configure: error: GNU Fortran is not working 3. libtool.m4: error: problem compiling FC test program Any ideas?