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