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Adding suport to see warnings at compile time. 

I'm not sure if this is added in the correct way, please fix it.
As many files generate warnigs, it's inactive by default.

To compile with enabled warnings, execute jam like this:

$ WARNINGS=true jam


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@141 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
beveloper 2002-07-12 16:47:41 +00:00
parent 9bd6befeb5
commit e5dc2d93a3
1 changed files with 17 additions and 0 deletions
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17
Jamrules
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@ -26,6 +26,23 @@ if $(METROWERKS) {
OBOS_TARGET_DIR ?= "x86" ;
}
# Enable warnings only if WARNINGS is defined
# Should be enabled by default later
if $(WARNINGS) {
# For an explanation of the different warning options, see:
# http://gcc.gnu.org/onlinedocs/gcc-2.95.3/gcc_2.html
# to get even more warnings, add:
# -Wwrite-strings (doesn't work well with some Be headers)
# -Wundef (dito)
# -Wconversion (gets you many warnings about implicit conversions)
# -W (gets you even more warnigs)
CCFLAGS ?= "-Wall -Wno-multichar -Wmissing-prototypes" ;
CCFLAGS += "-Wpointer-arith -Wcast-align -Wsign-compare" ;
C++FLAGS ?= "-Wall -Wno-multichar -Wmissing-prototypes -Wno-ctor-dtor-privacy -Woverloaded-virtual" ;
C++FLAGS += "-Wpointer-arith -Wcast-align -Wsign-compare" ;
}
KERNEL_CCFLAGS ?= "-Wall -Wno-multichar -Wmissing-prototypes -finline -nostdinc" ;
KERNEL_CCFLAGS += "-fno-builtin -D$(OBOS_TARGET_DEFINE) " ;