[LLVMdev] Building LLVM cfrontend

[thean kiat sew]

Hi, I am still new to LLVM and also GNU softwares.

I am doing a project using LLVM. 

I was building cfrontend on my windows cygwin,  however I encountered
this problem, may I now what is the cause?

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my configuration output is:
bash-2.05b$ ../src/configure --prefix=$CFEINSTALL --disable-threads --disable-n
ls  --disable-shared --enable-languages=c,c++

loading cache ./config.cache
checking host system type... i686-pc-cygwin
checking target system type... i686-pc-cygwin
checking build system type... i686-pc-cygwin
checking for a BSD compatible install... (cached) /usr/bin/install -c
*** This configuration is not supported in the following subdirectories:
     target-libffi target-boehm-gc target-zlib target-libjava target-libf2c zlib
 fastjar target-libobjc
    (Any other directories should still work fine.)
checking for i686-pc-cygwin-ar... no
checking for ar... (cached) ar
checking for i686-pc-cygwin-as... no
checking for as... (cached) as
checking for i686-pc-cygwin-dlltool... no
checking for dlltool... (cached) dlltool
checking for i686-pc-cygwin-ld... (cached) c:/mingw/bin/../lib/gcc-lib/mingw32/3
.2.3/../../../../mingw32/bin/ld.exe
checking for i686-pc-cygwin-nm... no
checking for nm... (cached) nm
checking for i686-pc-cygwin-ranlib... no
checking for ranlib... (cached) ranlib
checking for i686-pc-cygwin-windres... no
checking for windres... (cached) windres
checking for i686-pc-cygwin-objcopy... no
checking for objcopy... (cached) objcopy
checking for i686-pc-cygwin-objdump... no
checking for objdump... (cached) objdump
checking for i686-pc-cygwin-ar... no
checking for ar... (cached) ar
checking for i686-pc-cygwin-as... no
checking for as... (cached) as
checking for i686-pc-cygwin-dlltool... no
checking for dlltool... (cached) dlltool
checking for i686-pc-cygwin-ld... no
checking for ld... (cached) ld
checking for i686-pc-cygwin-nm... no
checking for nm... (cached) nm
checking for i686-pc-cygwin-ranlib... no
checking for ranlib... (cached) ranlib
checking for i686-pc-cygwin-windres... no
checking for windres... (cached) windres
checking whether to enable maintainer-specific portions of Makefiles... no
updating cache ./config.cache
creating ./config.status
creating Makefile

bash-2.05b$
 
*************************
bash-2.05b$ make
...
...
...
In file included from ../../src/gcc/c-opts.c:39:
options.h:25: error: redefinition of `OPT_d'
options.h:23: error: `OPT_d' previously defined here
../../src/gcc/c-opts.c: In function `c_common_init_options':
../../src/gcc/c-opts.c:190: error: `CL_C' undeclared (first use in this function
)
../../src/gcc/c-opts.c:190: error: (Each undeclared identifier is reported only
once
../../src/gcc/c-opts.c:190: error: for each function it appears in.)
../../src/gcc/c-opts.c:190: error: initializer element is not constant
../../src/gcc/c-opts.c:190: error: (near initialization for `lang_flags[0]')
../../src/gcc/c-opts.c:190: error: `CL_ObjC' undeclared (first use in this funct
ion)
../../src/gcc/c-opts.c:190: error: initializer element is not constant
../../src/gcc/c-opts.c:190: error: (near initialization for `lang_flags[1]')
../../src/gcc/c-opts.c:190: error: `CL_CXX' undeclared (first use in this functi
on)
../../src/gcc/c-opts.c:190: error: initializer element is not constant
../../src/gcc/c-opts.c:190: error: (near initialization for `lang_flags[2]')
../../src/gcc/c-opts.c:190: error: `CL_ObjCXX' undeclared (first use in this fun
ction)
../../src/gcc/c-opts.c:190: error: initializer element is not constant
../../src/gcc/c-opts.c:190: error: (near initialization for `lang_flags[3]')
make[1]: *** [c-opts.o] Error 1
make[1]: Leaving directory `/home/cfrontend/build/gcc'
make: *** [all-gcc] Error 2

bash-2.05b$

**************************************

Your help will be very much appreciated. 

Kiat