e0eebc1ef
Denis Vlasenko
2007-01-27
Subject
Make -Werror configurable
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Architecture & Compiler Flags
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Commit Diff GitHub →
Config.in+17 -8
| @@ -352,16 +352,25 @@ config DEBUG | |
| Most people should answer N. | |
| - | config DEBUG_PESSIMIZE |
| - | bool "Disable compiler optimizations." |
| + | config WERROR |
| + | bool "Abort compilation on any warning" |
| default n | |
| - | depends on DEBUG |
| help | |
| - | The compiler's optimization of source code can eliminate and reorder |
| - | code, resulting in an executable that's hard to understand when |
| - | stepping through it with a debugger. This switches it off, resulting |
| - | in a much bigger executable that more closely matches the source |
| - | code. |
| + | Selecting this will add -Werror to gcc command line. |
| + | |
| + | Most people should answer N. |
| + | |
| + | # Seems to be unused |
| + | #config DEBUG_PESSIMIZE |
| + | # bool "Disable compiler optimizations." |
| + | # default n |
| + | # depends on DEBUG |
| + | # help |
| + | # The compiler's optimization of source code can eliminate and reorder |
| + | # code, resulting in an executable that's hard to understand when |
| + | # stepping through it with a debugger. This switches it off, resulting |
| + | # in a much bigger executable that more closely matches the source |
| + | # code. |
| choice | |
| prompt "Additional debugging library" | |
Makefile.flags+7 -2
| @@ -17,10 +17,15 @@ CPPFLAGS += \ | |
| # flag checks are grouped together to speed the checks up a bit.. | |
| CFLAGS += $(call cc-option,-Wall -Wshadow,) | |
| + | ifeq ($(CONFIG_WERROR),y) |
| + | CFLAGS += $(call cc-option,-Werror,) |
| + | endif |
| CFLAGS += $(call cc-option,-Wundef -Wold-style-definition -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations,) | |
| CFLAGS += $(call cc-option,-Os -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer -ffunction-sections -fdata-sections,) | |
| - | CFLAGS += $(call cc-option,-static-libgcc -funsigned-char,) |
| - | CFLAGS += $(call cc-option,-falign-functions=1 -falign-jumps=1 -falign-loops=1,) |
| + | # -fno-guess-branch-probability: prohibit pseudo-random guessing |
| + | # of branch probabilities (hopefully makes bloatcheck more stable) |
| + | CFLAGS += $(call cc-option,-funsigned-char -fno-guess-branch-probability -static-libgcc,) |
| + | CFLAGS += $(call cc-option,-falign-functions=1 -falign-jumps=1 -falign-labels=1 -falign-loops=1,) |
| # FIXME: These warnings are at least partially to be concerned about and should | |
| # be fixed.. | |
scripts/defconfig+1 -1
| @@ -45,7 +45,7 @@ CONFIG_LFS=y | |
| # Debugging Options | |
| # | |
| # CONFIG_DEBUG is not set | |
| - | # CONFIG_DEBUG_PESSIMIZE is not set |
| + | # CONFIG_WERROR is not set |
| # CONFIG_NO_DEBUG_LIB is not set | |
| # CONFIG_DMALLOC is not set | |
| # CONFIG_EFENCE is not set | |