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 ifneq ($(filter 4.%,$(shell gcc -dumpversion)),)
36 LDFLAGS += -Wl,--warn-common
40 # Use pipes and not temp files.
44 # let the type char be unsigned by default
45 CFLAGS += -funsigned-char
46 CFLAGS += -fstrict-aliasing
47 # turn on all common warnings
49 # turn on extra warnings
50 CFLAGS += $(if $(GCC4),-Wextra,-W)
51 # treat warnings as errors
53 CFLAGS += -Wchar-subscripts
54 # warn about undefined preprocessor identifiers
56 # warn about local variable shadowing another local variable
58 # warn about casting of pointers to increased alignment requirements
59 CFLAGS += -Wcast-align
60 # make string constants const
61 CFLAGS += -Wwrite-strings
62 # warn about implicit conversions with side effects
63 # fgets, calloc and friends take an int, not size_t...
64 #CFLAGS += -Wconversion
65 # warn about comparisons between signed and unsigned values
66 CFLAGS += -Wsign-compare
67 # warn about unused declared stuff
69 CFLAGS += -Wno-unused-parameter
70 # warn about variable use before initialization
71 CFLAGS += -Wuninitialized
72 # warn about variables which are initialized with themselves
74 # warn about pointer arithmetic on void* and function pointers
75 CFLAGS += -Wpointer-arith
76 # warn about multiple declarations
77 CFLAGS += -Wredundant-decls
78 # warn if the format string is not a string literal
79 CFLAGS += -Wformat-nonliteral
80 # do not warn about zero-length formats.
81 CFLAGS += -Wno-format-zero-length
83 CFLAGS += -Wmissing-prototypes
84 # warn about functions without format attribute that should have one
85 CFLAGS += -Wmissing-format-attribute
86 # barf if we change constness
87 #CFLAGS += -Wcast-qual