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BUILD: Makefile: add the new ERR variable to force -Werror

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Instead of having to fiddle with the CFLAGS, let's have ERR=1 to enable
-Werror.
This commit is contained in:
Willy Tarreau 2018-10-22 06:22:46 +02:00
parent 01fbe74516
commit 23cd43e2d6
1 changed files with 9 additions and 0 deletions
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9
Makefile
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@ -58,6 +58,7 @@
# DEP may be cleared to ignore changes to include files during development # DEP may be cleared to ignore changes to include files during development
# SMALL_OPTS may be used to specify some options to shrink memory usage. # SMALL_OPTS may be used to specify some options to shrink memory usage.
# DEBUG may be used to set some internal debugging options. # DEBUG may be used to set some internal debugging options.
# ERR may be set to non-empty to pass -Werror to the compiler
# ADDINC may be used to complete the include path in the form -Ipath. # ADDINC may be used to complete the include path in the form -Ipath.
# ADDLIB may be used to complete the library list in the form -Lpath -llib. # ADDLIB may be used to complete the library list in the form -Lpath -llib.
# DEFINE may be used to specify any additional define, which will be reported # DEFINE may be used to specify any additional define, which will be reported
@ -150,6 +151,9 @@ LD = $(CC)
# Those flags only feed CFLAGS so it is not mandatory to use this form. # Those flags only feed CFLAGS so it is not mandatory to use this form.
DEBUG_CFLAGS = -g DEBUG_CFLAGS = -g
#### Add -Werror when set to non-empty
ERR =
#### Compiler-specific flags that may be used to disable some negative over- #### Compiler-specific flags that may be used to disable some negative over-
# optimization or to silence some warnings. -fno-strict-aliasing is needed with # optimization or to silence some warnings. -fno-strict-aliasing is needed with
# gcc >= 4.4. # gcc >= 4.4.
@ -838,6 +842,11 @@ EBTREE_DIR := ebtree
#### Global compile options #### Global compile options
VERBOSE_CFLAGS = $(CFLAGS) $(TARGET_CFLAGS) $(SMALL_OPTS) $(DEFINE) VERBOSE_CFLAGS = $(CFLAGS) $(TARGET_CFLAGS) $(SMALL_OPTS) $(DEFINE)
COPTS = -Iinclude -I$(EBTREE_DIR) -Wall -Wextra COPTS = -Iinclude -I$(EBTREE_DIR) -Wall -Wextra
ifneq ($(ERR),)
COPTS += -Werror
endif
COPTS += $(CFLAGS) $(TARGET_CFLAGS) $(SMALL_OPTS) $(DEFINE) $(SILENT_DEFINE) COPTS += $(CFLAGS) $(TARGET_CFLAGS) $(SMALL_OPTS) $(DEFINE) $(SILENT_DEFINE)
COPTS += $(DEBUG) $(OPTIONS_CFLAGS) $(ADDINC) COPTS += $(DEBUG) $(OPTIONS_CFLAGS) $(ADDINC)