build-sys: unify foo_CFLAGS = usage and add explaining comments
authorKay Sievers <kay@vrfy.org>
Sun, 20 Oct 2013 14:58:04 +0000 (16:58 +0200)
committerKay Sievers <kay@vrfy.org>
Sun, 20 Oct 2013 15:34:15 +0000 (17:34 +0200)
commit145d22584ff3a64cfd4798ad4fde5ed6e2428183
tree051b5ce1100bd17c01b423969f6ba60281d77ed7
parenta54156a297a01931f6bade76376eb7a9cb776ccc
build-sys: unify foo_CFLAGS = usage and add explaining comments

Always add the default AM_CFLAGS first.

If variables are used in conditionals, the default assignment
of AM variables is disabled, even when the conditional is not
in use; foo_CFLAGS = $(AM_CFLAGS) is needed, even when it looks
like a no-op.
Makefile.am