gcc-7 package in openKylin

cpp-7: GNU C preprocessor
cpp-7-doc: Documentation for the GNU C preprocessor (cpp)
g++-7: GNU C++ compiler
g++-7-multilib: GNU C++ compiler (multilib support)
gcc-7: GNU C compiler
gcc-7-base: GCC, the GNU Compiler Collection (base package)
gcc-7-doc: Documentation for the GNU compilers (gcc, gobjc, g++)
gcc-7-hppa64-linux-gnu: GNU C compiler (cross compiler for hppa64)
gcc-7-locales: GCC, the GNU compiler collection (native language support files)
gcc-7-multilib: GNU C compiler (multilib support)
gcc-7-offload-nvptx: GCC offloading compiler to NVPTX
gcc-7-plugin-dev: Files for GNU GCC plugin development.
gcc-7-source: Source of the GNU Compiler Collection
gcc-7-test-results: Test results for the GCC test suite
gccbrig-7: GNU BRIG (HSA IL) frontend
gccgo-7: GNU Go compiler
gccgo-7-doc: Documentation for the GNU Go compiler (gccgo)
gccgo-7-multilib: GNU Go compiler (multilib support)
gdc-7: GNU D compiler (version 2)
gdc-7-multilib: GNU D compiler (version 2, multilib support)
gfortran-7: GNU Fortran compiler
gfortran-7-doc: Documentation for the GNU Fortran compiler (gfortran)
gfortran-7-multilib: GNU Fortran compiler (multilib support)
gnat-7: GNU Ada compiler
gnat-7-doc: GNU Ada compiler (documentation)
gnat-7-sjlj: GNU Ada compiler (setjump/longjump runtime library)
gobjc++-7: GNU Objective-C++ compiler
gobjc++-7-multilib: GNU Objective-C++ compiler (multilib support)
gobjc-7: GNU Objective-C compiler
gobjc-7-multilib: GNU Objective-C compiler (multilib support)
lib32asan4: AddressSanitizer -- a fast memory error detector (32bit)
lib32cilkrts5: Intel Cilk Plus language extensions (32bit)
lib32gcc-7-dev: GCC support library (32 bit development files)
lib32gfortran-7-dev: Runtime library for GNU Fortran applications (32bit development files)
lib32gfortran4: Runtime library for GNU Fortran applications (32bit)
lib32go11: Runtime library for GNU Go applications (32bit)
lib32gphobos-7-dev: Phobos D standard library (32bit development files)
lib32gphobos71: Phobos D standard library (runtime library)
lib32objc-7-dev: Runtime library for GNU Objective-C applications (32bit development files)
lib32stdc++-7-dev: GNU Standard C++ Library v3 (development files)
lib32stdc++6-7-dbg: GNU Standard C++ Library v3 (debug build)
lib32ubsan0: UBSan -- undefined behaviour sanitizer (32bit)
libasan4: AddressSanitizer -- a fast memory error detector
libcilkrts5: Intel Cilk Plus language extensions (runtime)
libgcc-7-dev: GCC support library (development files)
libgccjit-7-dev: GCC just-in-time compilation (development files)
libgccjit-7-doc: GCC just-in-time compilation (documentation)
libgfortran-7-dev: Runtime library for GNU Fortran applications (development files)
libgfortran4: Runtime library for GNU Fortran applications
libgnat-7: runtime for applications compiled with GNAT (shared library)
libgnatvsn7: GNU Ada compiler selected components (shared library)
libgnatvsn7-dev: GNU Ada compiler selected components (development files)
libgo11: Runtime library for GNU Go applications
libgphobos-7-dev: Phobos D standard library
libgphobos71: Phobos D standard library (runtime library)
libhsail-rt-7-dev: HSAIL runtime library (development files)
libobjc-7-dev: Runtime library for GNU Objective-C applications (development files)
libstdc++-7-dev: GNU Standard C++ Library v3 (development files)
libstdc++-7-doc: GNU Standard C++ Library v3 (documentation files)
libstdc++-7-pic: GNU Standard C++ Library v3 (shared library subset kit)
libstdc++6-7-dbg: GNU Standard C++ Library v3 (debug build)
libubsan0: UBSan -- undefined behaviour sanitizer (runtime)
libx32asan4: AddressSanitizer -- a fast memory error detector (x32)
libx32cilkrts5: Intel Cilk Plus language extensions (x32)
libx32gcc-7-dev: GCC support library (x32 development files)
libx32gfortran-7-dev: Runtime library for GNU Fortran applications (x32 development files)
libx32gfortran4: Runtime library for GNU Fortran applications (x32)
libx32go11: Runtime library for GNU Go applications (x32)
libx32gphobos-7-dev: Phobos D standard library (x32 development files)
libx32gphobos71: Phobos D standard library (runtime library)
libx32objc-7-dev: Runtime library for GNU Objective-C applications (x32 development files)
libx32stdc++-7-dev: GNU Standard C++ Library v3 (development files)
libx32stdc++6-7-dbg: GNU Standard C++ Library v3 (debug build)
libx32ubsan0: UBSan -- undefined behaviour sanitizer (x32)