2015-01-07  Robert Dewar  <dewar@adacore.com>

	* a-reatim.adb, make.adb, exp_pakd.adb, i-cpoint.adb, sem_ch8.adb,
	exp_ch3.adb: Minor reformatting.

2015-01-07  Doug Rupp  <rupp@adacore.com>

	* s-linux.ads (clockid_t): New subtype.
	* s-osinte-linux.ads (pragma Linker Options): Add -lrt.
	(clockid_t): New subtype.
	(clock_getres): Import system call.
	* s-taprop-linux.adb (System.OS_Constants): With and rename.
	(RT_Resolution): Remove
	hardcoded value and call clock_getres.
	* s-linux-sparc.ads, s-linux-mipsel.ads, s-linux-hppa.ads,
	s-linux-alpha.ads, s-linux-x32.ads (clockid_t): Add new subtype.

2015-01-07  Robert Dewar  <dewar@adacore.com>

	* sem_warn.adb (Check_One_Unit): Guard against context item
	with no Entity field.

From-SVN: r219289