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Error while building GMP on cygwin "configure: error: could not find a working compiler"


I got the following error in configuring GMP while building a bare
metal GNU cross toolchain for Xtensa on cygwin

configure: error: could not find a working compiler, see config.log for details

The build was performed using a crosstool-NG downloaded from the site using the git
clone git clone

This downloads GMP-5.1.1 while downloading GCC and related packages.

1. Build environment - cygwin

2. The GMP version number - GMP-5.1.1

3. Output of gcc -v

$ gcc -v
Using built-in specs.
Target: i686-pc-cygwin
Configured with:
--prefix=/usr --exec-prefix=/usr --localstatedir=/var
--sysconfdir=/etc --docdir=/usr/share/doc/gcc
--htmldir=/usr/share/doc/gcc/html -C --build=i686-pc-cygwin
--host=i686-pc-cygwin --target=i686-pc-cygwin
--without-libiconv-prefix --without-libintl-prefix
--libexecdir=/usr/lib --enable-shared --enable-shared-libgcc
--enable-static --enable-version-specific-runtime-libs
--enable-bootstrap --enable-__cxa_atexit --with-dwarf2
--with-arch=i686 --with-tune=generic --disable-sjlj-exceptions
--enable-graphite --enable-threads=posix --enable-libatomic
--enable-libgomp --disable-libitm --enable-libquadmath
--enable-libquadmath-support --enable-libssp --enable-libada
--enable-libjava --enable-libgcj-sublibs --disable-java-awt
--disable-symvers --with-ecj-jar=/usr/share/java/ecj.jar --with-gnu-ld
--with-gnu-as --with-cloog-include=/usr/include/cloog-isl
--without-libiconv-prefix --without-libintl-prefix --with-system-zlib
Thread model: posix
gcc version 4.9.3 (GCC)

4. The output from running âuname -aâ.

$ uname -a
CYGWIN_NT-6.1 si-hnhari 2.1.0(0.287/5/3) 2015-07-14 21:26 i686 Cygwin

The output of config.log and build.log is attached.

Please let me know if you need any more information.

Thanks and Regards,

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