gccmakedep-1.0.4-160000.2.2

- Update to version 1.0.4
  * configure: Drop AM_MAINTAINER_MODE
  * autogen.sh: Honor NOCONFIGURE=1
  * Update configure.ac bug URL for gitlab migration
  * Add standard X.Org README.md file
  * Build xz tarballs instead of bzip2
  * gitlab CI: add a basic build test
  * gitlab CI: stop requiring Signed-off-by in commits
  * Add parsing of GCC option '-std='.
  * autogen.sh: use quoted string variables
  * autogen: add default patch prefix
  * autogen.sh: use exec instead of waiting for configure to finish

- modernize spec-file (move license to licensedir, add source url)

- Update to version 1.0.3:
  This release fixes gccmakedep with GNU cpp versions newer than
  4.7, by no longer using cpp to generate the gccmakedep script.

- Split gccmakedep from xorg-x11-util-devel.
  Initial version: 1.0.2.