1 ##############################################################################
2 # postlicyd: a postfix policy daemon with a lot of features #
4 # ________________________________________________________________________ #
6 # Redistribution and use in source and binary forms, with or without #
7 # modification, are permitted provided that the following conditions #
10 # 1. Redistributions of source code must retain the above copyright #
11 # notice, this list of conditions and the following disclaimer. #
12 # 2. Redistributions in binary form must reproduce the above copyright #
13 # notice, this list of conditions and the following disclaimer in the #
14 # documentation and/or other materials provided with the distribution. #
15 # 3. The names of its contributors may not be used to endorse or promote #
16 # products derived from this software without specific prior written #
19 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND #
20 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE #
21 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR #
22 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS #
23 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR #
24 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF #
25 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS #
26 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN #
27 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) #
28 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF #
29 # THE POSSIBILITY OF SUCH DAMAGE. #
30 ##############################################################################
32 GCCVERSION:=$(shell $(CC) -dumpversion)
33 GCCMACHINE:=$(shell $(CC) -dumpmachine)
34 OBJSUFFIX:=-$(GCCMACHINE:-linux-gnu=)-$(GCCVERSION)
36 ifneq (,$(filter 4.%,$(GCCVERSION)))
40 LDFLAGS += -Wl,--warn-common
42 # Use pipes and not temp files.
46 # let the type char be unsigned by default
47 CFLAGS += -funsigned-char
48 CFLAGS += -fstrict-aliasing
49 # turn on all common warnings
51 # turn on extra warnings
52 CFLAGS += $(if $(GCC4),-Wextra,-W)
53 # treat warnings as errors
55 CFLAGS += -Wchar-subscripts
56 # warn about undefined preprocessor identifiers
58 # warn about local variable shadowing another local variable
60 # warn about casting of pointers to increased alignment requirements
61 CFLAGS += -Wcast-align
62 # make string constants const
63 CFLAGS += -Wwrite-strings
64 # warn about implicit conversions with side effects
65 # fgets, calloc and friends take an int, not size_t...
66 #CFLAGS += -Wconversion
67 # warn about comparisons between signed and unsigned values
68 CFLAGS += -Wsign-compare
69 # warn about unused declared stuff
71 # don not warn about unused return value
72 CFLAGS += -Wno-unused-value
73 # warn about variable use before initialization
74 CFLAGS += -Wuninitialized
75 # warn about pointer arithmetic on void* and function pointers
76 CFLAGS += -Wpointer-arith
77 # warn about multiple declarations
78 CFLAGS += -Wredundant-decls
79 # warn if the format string is not a string literal
80 CFLAGS += -Wformat-nonliteral
81 # do not warn about strftime format with y2k issues
82 CFLAGS += -Wno-format-y2k
83 # barf if we change constness
84 #CFLAGS += -Wcast-qual