error?

flyingfisch@flyingfisch-Office-Computer:/usr/src/mkg3a/build$ cmake ..
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check if the system is big endian
-- Searching 16 bit integer
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for stddef.h
-- Looking for stddef.h - found
-- Check size of unsigned short
-- Check size of unsigned short - done
-- Using unsigned short
-- Check if the system is big endian - little endian
-- Looking for include files HAVE_UNISTD_H
-- Looking for include files HAVE_UNISTD_H - found
-- libpng icon loading support enabled.
-- Found ZLIB: /usr/lib/i386-linux-gnu/libz.so (found version "1.2.3.4")
-- Found PNG: /usr/lib/i386-linux-gnu/libpng.so
-- Version: hg 9a797b7feeaf
-- Configuring done
-- Generating done
-- Build files have been written to: /usr/src/mkg3a/build
flyingfisch@flyingfisch-Office-Computer:/usr/src/mkg3a/build$ make
Scanning dependencies of target g3a-util
[ 16%] Building C object src/CMakeFiles/g3a-util.dir/g3a.c.o
/usr/src/mkg3a/src/g3a.c: In function ‘g3a_mkHeader’:
/usr/src/mkg3a/src/g3a.c:129:37: warning: unused parameter ‘type’ [-Wunused-parameter]
[ 33%] Building C object src/CMakeFiles/g3a-util.dir/util.c.o
Linking C static library libg3a-util.a
[ 33%] Built target g3a-util
Scanning dependencies of target images
[ 50%] Building C object src/CMakeFiles/images.dir/images.c.o
/usr/src/mkg3a/src/images.c: In function ‘readImageData_PNG’:
/usr/src/mkg3a/src/images.c:44:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
/usr/src/mkg3a/src/images.c: In function ‘readBMPData’:
/usr/src/mkg3a/src/images.c:184:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
/usr/src/mkg3a/src/images.c: At top level:
/usr/src/mkg3a/src/images.c:204:6: error: conflicting types for ‘convertBPP’
/usr/src/mkg3a/src/images.h:33:6: note: previous declaration of ‘convertBPP’ was here
/usr/src/mkg3a/src/images.c: In function ‘convertBPP’:
/usr/src/mkg3a/src/images.c:209:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
/usr/src/mkg3a/src/images.c: In function ‘loadBitmap’:
/usr/src/mkg3a/src/images.c:302:5: warning: passing argument 1 of ‘convertBPP’ makes integer from pointer without a cast [enabled by default]
/usr/src/mkg3a/src/images.c:204:6: note: expected ‘uint32_t’ but argument is of type ‘int32_t *’
/usr/src/mkg3a/src/images.c:302:5: warning: passing argument 2 of ‘convertBPP’ makes integer from pointer without a cast [enabled by default]
/usr/src/mkg3a/src/images.c:204:6: note: expected ‘uint32_t’ but argument is of type ‘int32_t *’
make[2]: *** [src/CMakeFiles/images.dir/images.c.o] Error 1
make[1]: *** [src/CMakeFiles/images.dir/all] Error 2
make: *** [all] Error 2
flyingfisch@flyingfisch-Office-Computer:/usr/src/mkg3a/build$