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Do not build with -Winline

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-Winline causes architecture- and optimization-dependent build failures
due to -Werror.  -Winline warns about inlining decisions based on
branch hints, in effect preventing the use of inline functions in
header files (because they might be called on unlikely branches, leading
to a decision not to inline).

The option was apparently added to the glibc build at a time when GCC
did not support the always_inline attribute.  With current GCC versions,
inlining failure for functions declared always_inline will receive a
warning under -Wattributes, which is enabled by default, so -Winline
appears unnecessary.
This commit is contained in:
Florian Weimer 2015-04-24 11:10:24 +02:00
parent 8666ab5c42
commit ed159672eb
2 changed files with 6 additions and 2 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2015-04-24 Florian Weimer <fweimer@redhat.com>
* Makeconfig (+gccwarn): Remove -Winline.
2015-04-24 Stefan Liebler <stli@linux.vnet.ibm.com>
* sysdeps/s390/fpu/libm-test-upls: Regenerate.

4
Makeconfig
View File

@ -739,9 +739,9 @@ endif
# Extra flags to pass to GCC.
ifeq ($(all-warnings),yes)
+gccwarn := -Wall -Wwrite-strings -Winline -Wcast-qual -Wbad-function-cast -Wmissing-noreturn -Wmissing-prototypes -Wmissing-declarations -Wcomment -Wcomments -Wtrigraphs -Wsign-compare -Wfloat-equal -Wmultichar
+gccwarn := -Wall -Wwrite-strings -Wcast-qual -Wbad-function-cast -Wmissing-noreturn -Wmissing-prototypes -Wmissing-declarations -Wcomment -Wcomments -Wtrigraphs -Wsign-compare -Wfloat-equal -Wmultichar
else
+gccwarn := -Wall -Wwrite-strings -Winline
+gccwarn := -Wall -Wwrite-strings
endif
+gccwarn += -Wundef
ifeq ($(enable-werror),yes)