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BUILD: makefile: make the ERR variable also support 0

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It's among the options that change a lot on the developer's side and it's
tempting to change from ERR=1 to ERR=0 on the make command line by reusing
the history, except it doesn't work. Let's explictily permit ERR=0 to
disable -Werror like ERR= does.
This commit is contained in:
Willy Tarreau 2024-04-11 15:03:12 +02:00
parent 947e5fdfca
commit 617e646ec0
2 changed files with 5 additions and 5 deletions
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8
INSTALL
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@ -662,10 +662,10 @@ It is not wise to disable it on uncommon systems, because it's often the only
way to get a usable core when you need one. Otherwise, you can set DEBUG to
'-s' to strip the binary.
If the ERR variable is set to any non-empty value, then -Werror will be added
to the compiler so that any build warning will trigger an error. This is the
recommended way to build when developing, and it is expected that contributed
patches were tested with ERR=1.
If the ERR variable is set to any non-empty value other than "0", then -Werror
will be added to the compiler so that any build warning will trigger an error.
This is the recommended way to build when developing, and it is expected that
contributed patches were tested with ERR=1.
The DEBUG variable is used to extend the CFLAGS and is preset to a list of
build-time options that are known for providing significant reliability

2
Makefile
View File

@ -219,7 +219,7 @@ SPEC_CFLAGS += $(call cc-nowarn,cast-function-type)
SPEC_CFLAGS += $(call cc-nowarn,string-plus-int)
SPEC_CFLAGS += $(call cc-nowarn,atomic-alignment)
ifneq ($(ERR),)
ifneq ($(ERR:0=),)
SPEC_CFLAGS += -Werror
endif