goocanvas: depend on makepkg setting CC

mingw-w64-goocanvas/PKGBUILD

@@ -4,7 +4,7 @@ _realname=goocanvas
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=3.0.0
-pkgrel=2
+pkgrel=3
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
 pkgdesc="Canvas widget for GTK+ that uses the Cairo 2D library (mingw-w64)"
@@ -41,7 +41,6 @@ build() {
 
   # an argument passed to glib-mkenums starts with a c++ comment
   export MSYS2_ARG_CONV_EXCL="/*"
-  export CC=gcc
   PYTHON=${MINGW_PREFIX}/bin/python \
   ./configure \
     --host=${MINGW_CHOST} \