summaryrefslogtreecommitdiff
path: root/acinclude.m4
blob: c5d6de7b35ba044e0c0d73d0eed796fa858a57fb (plain)
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
AC_DEFUN([AC_PROG_CC_PIE], [
	AC_CACHE_CHECK([whether ${CC-cc} accepts -fPIE], ac_cv_prog_cc_pie, [
		echo 'void f(){}' > conftest.c
		if test -z "`${CC-cc} -fPIE -pie -c conftest.c 2>&1`"; then
			ac_cv_prog_cc_pie=yes
		else
			ac_cv_prog_cc_pie=no
		fi
		rm -rf conftest*
	])
])

AC_DEFUN([AC_PROG_CC_ASAN], [
	AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=address],
						ac_cv_prog_cc_asan, [
		echo 'void f(){}' > asan.c
		if test -z "`${CC-cc} -fsanitize=address -c asan.c 2>&1`"; then
			ac_cv_prog_cc_asan=yes
		else
			ac_cv_prog_cc_asan=no
		fi
		rm -rf asan*
       ])
])

AC_DEFUN([AC_PROG_CC_LSAN], [
	AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=leak],
						ac_cv_prog_cc_lsan, [
		echo 'void f(){}' > lsan.c
		if test -z "`${CC-cc} -fsanitize=leak -c lsan.c 2>&1`"; then
			ac_cv_prog_cc_lsan=yes
		else
			ac_cv_prog_cc_lsan=no
		fi
		rm -rf lsan*
	])
])

AC_DEFUN([AC_PROG_CC_UBSAN], [
	AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=undefined],
						ac_cv_prog_cc_ubsan, [
		echo 'void f(){}' > ubsan.c
		if test -z "`${CC-cc} -fsanitize=undefined -c ubsan.c 2>&1`"; then
			ac_cv_prog_cc_ubsan=yes
		else
			ac_cv_prog_cc_ubsan=no
		fi
		rm -rf ubsan*
	])
])

AC_DEFUN([COMPILER_FLAGS], [
	with_cflags=""
	if (test "$USE_MAINTAINER_MODE" = "yes"); then
		with_cflags="$with_cflags -Wall -Werror -Wextra"
		with_cflags="$with_cflags -Wno-unused-parameter"
		with_cflags="$with_cflags -Wno-missing-field-initializers"
		with_cflags="$with_cflags -Wdeclaration-after-statement"
		with_cflags="$with_cflags -Wmissing-declarations"
		with_cflags="$with_cflags -Wredundant-decls"
		with_cflags="$with_cflags -Wcast-align"
		with_cflags="$with_cflags -Wswitch-enum"
		with_cflags="$with_cflags -Wformat -Wformat-security"
		with_cflags="$with_cflags -DG_DISABLE_DEPRECATED"
		with_cflags="$with_cflags -DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_28"
		with_cflags="$with_cflags -DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_32"
	fi
	AC_SUBST([WARNING_CFLAGS], $with_cflags)
])

AC_DEFUN([MISC_FLAGS], [
	misc_cflags=""
	misc_ldflags=""
	AC_ARG_ENABLE(optimization, AS_HELP_STRING([--disable-optimization],
			[disable code optimization through compiler]), [
		if (test "${enableval}" = "no"); then
			misc_cflags="$misc_cflags -O0"
		fi
	])
	AC_ARG_ENABLE(asan, AS_HELP_STRING([--enable-asan],
			[enable linking with address sanitizer]), [
		save_LIBS=$LIBS
		AC_CHECK_LIB(asan, _init)
		LIBS=$save_LIBS
		if (test "${enableval}" = "yes" &&
				test "${ac_cv_lib_asan__init}" = "yes" &&
				test "${ac_cv_prog_cc_asan}" = "yes"); then
			misc_cflags="$misc_cflags -fsanitize=address";
			misc_ldflags="$misc_ldflags -fsanitize=address"
			AC_SUBST([ASAN_LIB], ${ac_cv_lib_asan__init})
		fi
	])
	AC_ARG_ENABLE(lsan, AS_HELP_STRING([--enable-lsan],
			[enable linking with address sanitizer]), [
		save_LIBS=$LIBS
		AC_CHECK_LIB(lsan, _init)
		LIBS=$save_LIBS
		if (test "${enableval}" = "yes" &&
				test "${ac_cv_lib_lsan__init}" = "yes" &&
				test "${ac_cv_prog_cc_lsan}" = "yes"); then
			misc_cflags="$misc_cflags -fsanitize=leak";
			misc_ldflags="$misc_ldflags -fsanitize=leak"
			AC_SUBST([ASAN_LIB], ${ac_cv_lib_lsan__init})
		fi
	])
	AC_ARG_ENABLE(ubsan, AS_HELP_STRING([--enable-ubsan],
			[enable linking with address sanitizer]), [
		save_LIBS=$LIBS
		AC_CHECK_LIB(ubsan, _init)
		LIBS=$save_LIBS
		if (test "${enableval}" = "yes" &&
				test "${ac_cv_lib_ubsan__init}" = "yes" &&
				test "${ac_cv_prog_cc_ubsan}" = "yes"); then
			misc_cflags="$misc_cflags -fsanitize=undefined";
			misc_ldflags="$misc_ldflags -fsanitize=undefined";
		fi
	])
	AC_ARG_ENABLE(debug, AS_HELP_STRING([--enable-debug],
			[enable compiling with debugging information]), [
		if (test "${enableval}" = "yes" &&
				test "${ac_cv_prog_cc_g}" = "yes"); then
			misc_cflags="$misc_cflags -g"
		fi
	])
	AC_ARG_ENABLE(pie, AS_HELP_STRING([--enable-pie],
			[enable position independent executables flag]), [
		if (test "${enableval}" = "yes" &&
				test "${ac_cv_prog_cc_pie}" = "yes"); then
			misc_cflags="$misc_cflags -fPIC"
			misc_ldflags="$misc_ldflags -pie -Wl,-z,now"
		fi
	])
	if (test "$enable_coverage" = "yes"); then
		misc_cflags="$misc_cflags --coverage"
		misc_ldflags="$misc_ldflags --coverage"
	fi
	AC_SUBST([MISC_CFLAGS], $misc_cflags)
	AC_SUBST([MISC_LDFLAGS], $misc_ldflags)
])