aclocal.m4: add defines for added CFLAGS, cleanups, PA_SYM()
commit27854e67ac431db2d71f72dd7a7f6fbfabf25747
authorH. Peter Anvin <hpa@linux.intel.com>
Wed, 1 Nov 2017 17:45:50 +0000 (1 10:45 -0700)
committerH. Peter Anvin <hpa@linux.intel.com>
Wed, 1 Nov 2017 17:45:50 +0000 (1 10:45 -0700)
treeb4094dc4e4101347a239d849bdd0367649acedeb
parentece809789eed9c488d19a2eb5704130ba6377cb9
aclocal.m4: add defines for added CFLAGS, cleanups, PA_SYM()

Add defines for added CFLAGS.  This can be useful, for example, for
LTO or sanitizers being enabled.

Various cleanups for readability and documentation; use macros
available in current autoconf.

Add new utility function PA_SYM(), similar to AS_TR_CPP() except
collapses sequential underscores.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
aclocal.m4