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* Makeconfig (+cflags): Add -fmerge-all-constants by default.

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This commit is contained in:
Ulrich Drepper 2005-11-25 18:36:59 +00:00
parent eed38d45aa
commit dec36b4f0c
2 changed files with 7 additions and 1 deletions
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2
ChangeLog
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@ -1,5 +1,7 @@
2005-11-25 Ulrich Drepper <drepper@redhat.com>
* Makeconfig (+cflags): Add -fmerge-all-constants by default.
[BZ #1912]
* nss/function.def: Add entry to use gethostbyname2 for files.

6
Makeconfig
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@ -557,6 +557,10 @@ else
+gccwarn := -Wall -Wwrite-strings -Winline -Wstrict-prototypes
endif
# We do not depend on the address of constants in different files to be
# actually different, so allow the compiler to merge them all.
+merge-constants = -fmerge-all-constants
# This is the program that generates makefile dependencies from C source files.
# The -MP flag tells GCC >= 3.2 (which we now require) to produce dummy
# targets for headers so that removed headers don't break the build.
@ -611,7 +615,7 @@ ifeq "$(strip $(+cflags))" ""
+cflags := $(default_cflags)
endif # $(+cflags) == ""
+cflags := $(+cflags) $(addprefix -mcpu=,$(with-cpu)) $(+gccwarn)
+cflags += $(addprefix -mcpu=,$(with-cpu)) $(+gccwarn) $(+merge-constants)
+gcc-nowarn := -w
# Don't duplicate options if we inherited variables from the parent.