gcc: add 'cc' symlink to installed bin directory

Mostly useful for components that are built with cmake.

c++ already exists. cmake searches for c++ in the same folder as it found cc.

component/gcc/buildout.cfg

@@ -26,6 +26,9 @@ configure-options =
   --with-isl=${isl:location}
   --with-ld=${binutils:location}/bin/ld
   --with-as=${binutils:location}/bin/as
+post-install =
+  cd '@@LOCATION@@/bin'
+  ln -s gcc cc
 environment =
   LDFLAGS=-Wl,-rpath=${gmp:location}/lib -Wl,-rpath=${isl:location}/lib -Wl,-rpath=${mpc:location}/lib -Wl,-rpath=${mpfr:location}/lib
   PATH=${binutils:location}/bin:${gettext:location}/bin:${perl:location}/bin:${tar:location}/bin:%(PATH)s

component/inkscape/buildout.cfg

@@ -46,8 +46,6 @@ pkg_config_depends = ${freetype:location}/lib/pkgconfig:${gtkmm:location}/lib/pk
 configure-command = ${cmake:location}/bin/cmake
 configure-options =
   -DCMAKE_INSTALL_PREFIX=${:location}
-  -DCMAKE_C_COMPILER=${gcc:location}/bin/gcc
-  -DCMAKE_CXX_COMPILER=${gcc:location}/bin/g++
   -DENABLE_POPPLER=OFF
   -DWITH_GNOME_VFS=OFF
   -DWITH_IMAGE_MAGICK=OFF

component/mariadb/buildout.cfg

@@ -68,8 +68,6 @@ configure-options =
   -DCMAKE_INSTALL_RPATH=${:CMAKE_LIBRARY_PATH}
   -DCMAKE_INCLUDE_PATH=${unixodbc:location}/include
   -DCMAKE_LIBRARY_PATH=${unixodbc:location}/lib
-  -DCMAKE_C_COMPILER=${gcc:location}/bin/gcc
-  -DCMAKE_CXX_COMPILER=${gcc:location}/bin/g++
 CMAKE_CFLAGS = -I${bzip2:location}/include -I${jemalloc:location}/include -I${libaio:location}/include -I${libxml2:location}/include -I${ncurses:location}/include -I${openssl:location}/include -I${pcre:location}/include -I${readline5:location}/include -I${xz-utils:location}/include -I${zlib:location}/include -I${unixodbc:location}/include -I${lz4:location}/include -I${snappy:location}/include -I${zstd:location}/include
 CMAKE_LIBRARY_PATH = ${bzip2:location}/lib:${jemalloc:location}/lib:${libaio:location}/lib:${libxml2:location}/lib:${ncurses:location}/lib:${openssl:location}/lib:${pcre:location}/lib:${readline5:location}/lib:${xz-utils:location}/lib:${zlib:location}/lib:${unixodbc:location}/lib:${lz4:location}/lib:${snappy:location}/lib:${zstd:location}/lib:${gcc:location}/lib:${gcc:location}/lib64
 environment =
@@ -77,7 +75,7 @@ environment =
   CMAKE_INCLUDE_PATH=${bzip2:location}/include:${libaio:location}/include:${libaio:location}/include:${libxml2:location}/include:${ncurses:location}/include:${openssl:location}/include:${pcre:location}/include:${readline5:location}/include:${xz-utils:location}/include:${zlib:location}/include:${unixodbc:location}/include:${lz4:location}/include:${snappy:location}/include:${zstd:location}/include
   CMAKE_LIBRARY_PATH=${:CMAKE_LIBRARY_PATH}
   LDFLAGS=-L${bzip2:location}/lib -L${jemalloc:location}/lib -L${libaio:location}/lib -L${pcre:location}/lib -L${xz-utils:location}/lib -L${zlib:location}/lib -L${unixodbc:location}/lib -L${lz4:location}/lib -L${snappy:location}/lib -L${zstd:location}/lib
-  PATH=${patch:location}/bin:%(PATH)s
+  PATH=${gcc:location}/bin:${patch:location}/bin:%(PATH)s
 patch-options = -p1
 patches =
   https://sources.debian.org/data/main/m/mariadb-10.3/1:10.3.22-0+deb10u1/debian/patches/0024-Revert-to-using-system-pcre-library.patch#1c6a0f2634f5a56122299674b77b1131