1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
AC_PREREQ([2.60])
AC_INIT(
[libinjection],
m4_esyscmd([build-aux/git-version-gen .tarball-version]),
[https://github.com/libinjection/libinjection/issues],
[libinjection],
[https://github.com/libinjection/libinjection])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([build-aux/m4])
AC_CANONICAL_HOST
AM_INIT_AUTOMAKE([1.11 check-news foreign silent-rules subdir-objects
-Wall -Werror])
AM_MAINTAINER_MODE
# Checks for programs.
AC_PROG_CXX
AC_PROG_AWK
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_MKDIR_P
# Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_SIZE_T
# Checks for library functions.
AC_FUNC_MALLOC
AC_CHECK_FUNCS([memchr memset strchr strstr])
AX_COMPILER_VERSION
AX_COMPILER_VENDOR
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_DEFINE([__STDC_FORMAT_MACROS], [], [Description])
PKG_PROG_PKG_CONFIG
dnl Enable gprof suport.
AC_ARG_ENABLE([gprof],
AS_HELP_STRING([--enable-gprof],
[build binaries with gprof support]),
[use_gprof=$enableval], [use_gprof=no])
if test "$use_gprof" = yes; then
CFLAGS="$CFLAGS -O2 -pg"
LDFLAGS="$LDFLAGS -pg"
fi
AM_CONDITIONAL([GPROF], [test "$use_gprof" = yes])
dnl Enable gcov suport.
AC_ARG_ENABLE([gcov],
AS_HELP_STRING([--enable-gcov],
[build binaries with gcov support]),
[use_gcov=$enableval], [use_gcov=no])
if test "$use_gcov" = yes; then
CFLAGS="$CFLAGS -O0 -fprofile-arcs -ftest-coverage"
LDFLAGS="$LDFLAGS -fprofile-arcs"
fi
AM_CONDITIONAL([GCOV], [test "$use_gcov" = yes])
dnl Enable hardened build.
AC_ARG_ENABLE([hardened],
AS_HELP_STRING([--enable-hardened],
[build hardened binaries]),
[use_hardened=$enableval], [use_hardened=no])
dnl Enable debug build.
AC_ARG_ENABLE([debug],
AS_HELP_STRING([--enable-debug],
[enable debugging. If CFLAGS are set, this
option will not change them]),
[], [enable_debug=no])
dnl Enable optimizations.
AC_ARG_ENABLE([optimize],
AS_HELP_STRING([--enable-optimize],
[enable optimizations. If CFLAGS are set,
this option will not change them]),
[], [enable_optimize=no])
dnl Enable sanitizers.
AC_ARG_ENABLE([sanitizers],
AS_HELP_STRING([--enable-sanitizers],
[enable ASAN ans UBSAN. If CFLAGS are set,
this option will not change them]),
[], [enable_sanitizers=no])
dnl Enable fuzzers.
AC_ARG_ENABLE([fuzzers],
AS_HELP_STRING([--enable-fuzzers],
[enable fuzzers; you must use clang compiler]),
[], [enable_fuzzers=no])
LT_INIT
AC_SUBST([LIBTOOL_DEPS])
AC_PATH_TOOL(CLANG, clang)
AC_PATH_TOOL(GCOV, gcov)
AC_PATH_PROG(LCOV, lcov)
AC_PATH_PROG(GENHTML, genhtml)
AC_PATH_TOOL(CPPCHECK, cppcheck)
AC_PATH_TOOL(VALGRIND, valgrind)
###############################################################################
# Debug/Optimization checks.
###############################################################################
# Check if we should enable debugging, optimization. Note we only
# update CFLAGS if none are provided.
AM_CONDITIONAL([DEBUG], [test x"$enable_debug" = "xyes"])
AM_CONDITIONAL([OPTIMIZE], [test x"$enable_optimize" = "xyes"])
debug_flags="-g1"
if test "x$enable_debug" = "xyes"; then
debug_flags="-g -fno-omit-frame-pointer"
elif test "x$enable_optimize" = "xyes"; then
debug_flags=""
fi
if test "x$enable_optimize" = "xyes"; then
optimize_flags="-O3"
else
optimize_flags="-O0"
fi
###############################################################################
# Hardening.
###############################################################################
AM_CONDITIONAL([HARDENED], [test x"$enable_hardened" = "xyes"])
if test "$use_hardened" = yes; then
hardened_flags="-g -fPIE -pie -ansi -fPIC -fstack-protector \
--param ssp-buffer-size=4 -Wextra -Wformat -Wformat-security \
-Werror=format-security -Wcast-align -Wshadow -Wpointer-arith \
-Wcast-qual -Wstack-protector -D_FORTIFY_SOURCE=2 -pedantic"
fi
compiler_flags="-g -fpic -Weverything -Wno-unused-macros -Wno-padded \
-Wno-covered-switch-default \
-Wno-disabled-macro-expansion -Wno-unused-local-typedefs"
###############################################################################
# Sanitizers.
###############################################################################
AM_CONDITIONAL([SANITIZERS], [test x"$enable_sanitizers" = "xyes"])
if test "$enable_sanitizers" = yes; then
sanitizers_flags="-fsanitize=address,undefined -fno-omit-frame-pointer"
sanitizers_link_flags="-fsanitize=address,undefined"
fi
###############################################################################
# Fuzzing.
###############################################################################
AM_CONDITIONAL([FUZZERS], [test x"$enable_fuzzers" = "xyes"])
if test "$enable_fuzzers" = yes; then
AX_CHECK_COMPILE_FLAG([-fsanitize=fuzzer],,[AC_MSG_ERROR("Fuzzing not supported by the compiler; you must use clang")])
LIB_FUZZING_ENGINE=-fsanitize=fuzzer
BUILD_FUZZTARGETS=1
fi
AM_CONDITIONAL([BUILD_FUZZTARGETS], [test "x$enable_fuzzers" = "xyes"])
AC_SUBST(BUILD_FUZZTARGETS)
AC_SUBST(LIB_FUZZING_ENGINE)
# Now that we have all flags, check them
AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],
[
AX_APPEND_COMPILE_FLAGS([$debug_flags $compiler_flags $optimize_flags $hardened_flags $sanitizers_flags $fuzzers_flags],
[CFLAGS], [])
])
AS_IF([test "x${ac_cv_env_LDFLAGS_set}" = "x"],
[
AX_APPEND_LINK_FLAGS([$sanitizers_link_flags],
[LDFLAGS], [])
])
if test x$use_gcov = xyes; then
if test x$LCOV = x; then
AC_MSG_ERROR("lcov testing requested but lcov not found")
fi
if test x$GCOV = x; then
AC_MSG_ERROR("lcov testing requested but gcov not found")
fi
if test x$GENHTML = x; then
AC_MSG_ERROR("lcov testing requested but genhtml not found")
fi
LCOV="$LCOV --gcov-tool=$GCOV --rc lcov_branch_coverage=1"
GENHTML="$GENHTML --branch-coverage"
AX_CHECK_COMPILE_FLAG([--coverage],[CXXFLAGS="$CXXFLAGS --coverage"],
[AC_MSG_ERROR("lcov testing requested but --coverage flag does not work")])
fi
# Libinjection version to allow embedding
AC_DEFINE_UNQUOTED([LIBINJECTION_VERSION], [["$PACKAGE_VERSION"]])
# Output files
AC_CONFIG_FILES([
Makefile
src/Makefile
src/fuzz/Makefile
libinjection.pc
])
AC_OUTPUT
|
