try adding gcc suffix support 1

Might also help with Homebrew gcc builds,
ref: 5add616

_build.sh

@@ -64,7 +64,7 @@ set -o xtrace -o errexit -o nounset; [ -n "${BASH:-}${ZSH_NAME:-}" ] && set -o p
 #      Number of parallel make jobs. Default: 2
 #
 # CW_CCSUFFIX
-#      llvm/clang suffix. E.g. '-8' for clang-8.
+#      llvm/clang and gcc suffix. E.g. '-8' for clang-8.
 #      Optional. Default: (empty)
 #
 # CW_REVISION
@@ -683,14 +683,14 @@ build_single_target() {
       _CCPREFIX='musl-'
     fi
 
-    ccver="$("${_CCPREFIX}gcc" -dumpversion)"
+    ccver="$("${_CCPREFIX}gcc${_CCSUFFIX}" -dumpversion)"
 
     if [ "${_CRT}" = 'ucrt' ]; then
       # Create specs files that overrides msvcrt with ucrt. We need this
       # for gcc when building against UCRT.
       #   https://stackoverflow.com/questions/57528555/how-do-i-build-against-the-ucrt-with-mingw-w64
       _GCCSPECS="$(pwd)/gcc-specs-ucrt"
-      "${_CCPREFIX}gcc" -dumpspecs | sed 's/-lmsvcrt/-lucrt/g' > "${_GCCSPECS}"
+      "${_CCPREFIX}gcc${_CCSUFFIX}" -dumpspecs | sed 's/-lmsvcrt/-lucrt/g' > "${_GCCSPECS}"
     fi
   fi
 
@@ -966,7 +966,7 @@ build_single_target() {
     # Use it with CMake and OpenSSL's proprietary build system.
     _CFLAGS_GLOBAL_CMAKE="${_CFLAGS_GLOBAL_CMAKE} -Wno-unused-command-line-argument"
   else
-    _CC_GLOBAL="${_CCPREFIX}gcc"
+    _CC_GLOBAL="${_CCPREFIX}gcc${_CCSUFFIX}"
 
     if [ "${_OS}" = 'win' ]; then
       # Also accepted on linux, but does not seem to make any difference
@@ -984,14 +984,16 @@ build_single_target() {
       _CFLAGS_GLOBAL="${_OPTM} ${_CFLAGS_GLOBAL}"
     fi
 
-    _CMAKE_GLOBAL="${_CMAKE_GLOBAL} -DCMAKE_C_COMPILER=${_CCPREFIX}gcc"
+    _CMAKE_GLOBAL="${_CMAKE_GLOBAL} -DCMAKE_C_COMPILER=${_CCPREFIX}gcc${_CCSUFFIX}"
     if [ "${_CCPREFIX}" != 'musl-' ]; then
-      _CMAKE_CXX_GLOBAL="${_CMAKE_CXX_GLOBAL} -DCMAKE_CXX_COMPILER=${_CCPREFIX}g++"
+      _CMAKE_CXX_GLOBAL="${_CMAKE_CXX_GLOBAL} -DCMAKE_CXX_COMPILER=${_CCPREFIX}g++${_CCSUFFIX}"
     else
       _CMAKE_CXX_GLOBAL="${_CMAKE_CXX_GLOBAL} -DCMAKE_CXX_COMPILER=g++"
     fi
 
     _LD='ld'
+
+    _BINUTILS_SUFFIX="${_CCSUFFIX}"
   fi
 
   if [ "${_CRT}" = 'musl' ] && [ "${_DISTRO}" = 'debian' ]; then
@@ -1043,6 +1045,10 @@ build_single_target() {
     fi
   fi
 
+  _BINCORE_SUFFIX="${_BINUTILS_SUFFIX}"
+
+  [ "${_CC}" = 'gcc' ] && _BINUTILS_SUFFIX=''
+
   export _STRIP
   export _STRIPFLAGS_BIN
   export _STRIPFLAGS_DYN
@@ -1103,9 +1109,9 @@ build_single_target() {
     # or clang-cl). Workaround: create an alias for it:
     ln -s -f "/usr/bin/clang${_CCSUFFIX}" "$(pwd)/clang"
   fi
-  export AR="${_BINUTILS_PREFIX}ar${_BINUTILS_SUFFIX}"
-  export NM="${_BINUTILS_PREFIX}nm${_BINUTILS_SUFFIX}"
-  export RANLIB="${_BINUTILS_PREFIX}ranlib${_BINUTILS_SUFFIX}"
+  export AR="${_BINUTILS_PREFIX}ar${_BINCORE_SUFFIX}"
+  export NM="${_BINUTILS_PREFIX}nm${_BINCORE_SUFFIX}"
+  export RANLIB="${_BINUTILS_PREFIX}ranlib${_BINCORE_SUFFIX}"
 
   # ar wrapper to normalize created libs
   if [ "${CW_DEV_CROSSMAKE_REPRO:-}" = '1' ]; then

_ci-linux-debian.sh

@@ -47,6 +47,7 @@ elif [[ "${CW_CONFIG:-}" = *'linux'* ]]; then
   fi
   if [[ "${CW_CONFIG:-}" = *'gcc'* ]]; then
     extra="${extra} gcc${GCCSUFF}"
+    CW_CCSUFFIX="${GCCSUFF}"
   fi
 fi