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Don't use -Wno-uninitialized in math/

The uninitialized variable warnings in math/ having been fixed for all
the supported floating-point formats, this patch removes the use of
-Wno-uninitialized there, continuing with the goal of avoiding -Wno-
options in makefiles as far as possible..

Tested for x86_64 and x86 (full build and testsuite runs), and for
powerpc and mips64 (verified that glibc builds without errors).  

2015-08-20  Joseph Myers  <>

	* math/Makefile (CFLAGS): Don't add -Wno-uninitialized.

diff --git a/math/Makefile b/math/Makefile
index d3b483d..c98c3c4 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -249,9 +249,6 @@ ifneq ($(long-double-fcts),yes)
 math-CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double
-# The fdlibm code generates a lot of these warnings but is otherwise clean.
-override CFLAGS += -Wno-uninitialized
 # The -lieee library is actually an object file.
 # The module just defines the _LIB_VERSION_ variable.
 # It's not a library to make sure it is linked in instead of s_lib_version.o.

Joseph S. Myers

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