diff options
Diffstat (limited to 'Makeconfig')
| -rw-r--r-- | Makeconfig | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Makeconfig b/Makeconfig index 97f74f7e1f..01ca7097e6 100644 --- a/Makeconfig +++ b/Makeconfig @@ -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. |