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
|
# Process this file with autoconf to produce a configure script.
#
# Copyright (C) 2013, 2017, 2019, 2021 P. J. McDermott
#
# This file is part of Dodge Balls
#
# Dodge Balls is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Dodge Balls is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Dodge Balls. If not, see <http://www.gnu.org/licenses/>.
AC_INIT([Dodge Balls], [0.1.0], [mailto:pj@pehjota.net], [dodge-balls])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([src/main.c])
AM_INIT_AUTOMAKE([gnu check-news dist-bzip2 dist-xz subdir-objects])
AM_SILENT_RULES([yes])
AM_CONDITIONAL([IN_GIT],
[test -d "${srcdir}/.git" && command -v git >/dev/null 2>&1])
AM_CONDITIONAL([OUT_OF_TREE], [test x"${srcdir}" != x'.' ])
save_CFLAGS="${CFLAGS-}"
AC_PROG_CC()
AM_PROG_CC_C_O()
test -d "${srcdir}/.git" || CFLAGS="${save_CFLAGS}"
funcs_missing=false
AC_CHECK_FUNCS(
[\
alphasort calloc dirname free isspace malloc printf putchar \
realpath scandir setlocale sscanf strcasecmp strcmp strdup \
strndup vprintf
],
[],
[funcs_missing=true])
if ${funcs_missing}; then
AC_MSG_ERROR([required functions are missing])
fi
for func in atan2 ceil cos floor fmod sin; do
AC_SEARCH_LIBS([${func}], [m], [], [
AC_MSG_ERROR([required functions are missing])
])
done
AX_CFLAGS_WARN_ALL() dnl Adds -Wall or equivalent
AX_CHECK_COMPILE_FLAG([-Wpedantic], [AX_APPEND_FLAG([-Wpedantic])])
AX_CHECK_COMPILE_FLAG([-Wextra], [AX_APPEND_FLAG([-Wextra])])
AC_ARG_ENABLE([gcc-warnings],
[AS_HELP_STRING([--enable-gcc-warnings], [turn on many GCC warnings])],
[case "${enableval}" in yes|no) gcc_warnings=${enableval};;
*) AC_MSG_ERROR(
[bad value ${enableval} for gcc-warnings option]);;
esac],
[
gcc_warnings=no
test -d "${srcdir}/.git" && gcc_warnings=yes
]
)
if test "x${gcc_warnings}" = 'xyes'; then
nowarns=''
nowarns="${nowarns} -Wsystem-headers"
gl_MANYWARN_ALL_GCC([warns])
gl_MANYWARN_COMPLEMENT([warns], [${warns}], [${nowarns}])
for warn in ${warns}; do
gl_WARN_ADD([${warn}])
done
AC_SUBST([WARN_CFLAGS])
fi
AX_CHECK_COMPILE_FLAG([-fdiagnostics-color=auto],
[AX_APPEND_FLAG([-fdiagnostics-color=auto])])
AC_ARG_ENABLE([address-sanitization],
[AS_HELP_STRING([--enable-address-sanitization],
[turn on AddressSanitizer (if available)])],
[case "${enableval}" in yes|no) address_sanitization=${enableval};;
*) AC_MSG_ERROR(
[bad value ${enableval} for address-sanitization option]
);;
esac],
[
address_sanitization=no
gl_GCC_VERSION_IFELSE([4], [8],
[test -d "${srcdir}/.git" && address_sanitization=yes])
]
)
if test "x${address_sanitization}" = 'xyes'; then
AX_CHECK_COMPILE_FLAG([-fsanitize=address],
[AX_APPEND_FLAG([-fsanitize=address], [ASAN_CFLAGS])])
AX_CHECK_COMPILE_FLAG([-fno-omit-frame-pointer],
[AX_APPEND_FLAG([-fno-omit-frame-pointer], [ASAN_CFLAGS])])
AC_SUBST([ASAN_CFLAGS])
fi
if ! test -d "${srcdir}/.git"; then
AX_CHECK_COMPILE_FLAG([-s], [AX_APPEND_FLAG([-s])])
fi
for flag in -Os -fno-unwind-tables -fno-asynchronous-unwind-tables \
-ffunction-sections -fdata-sections -Wl,--gc-sections \
-fstack-protector-strong -flto \
-Wl,-z,now -Wl,--hash-style=sysv -Wl,--build-id=none; do
AX_CHECK_COMPILE_FLAG([${flag}], [AX_APPEND_FLAG([${flag}])])
done
PKG_PROG_PKG_CONFIG()
PKG_CHECK_MODULES([SDL], [sdl2])
SDL_CFLAGS="$(printf ' %s' "${SDL_CFLAGS}" | \
sed 's/ -I/ -isystem/g;')"
PKG_CHECK_MODULES([SDL_IMAGE], [SDL2_image])
SDL_IMAGE_CFLAGS="$(printf ' %s' "${SDL_IMAGE_CFLAGS}" | \
sed 's/ -I/ -isystem/g;')"
PKG_CHECK_MODULES([SDL_TTF], [SDL2_ttf])
SDL_TTF_CFLAGS="$(printf ' %s' "${SDL_TTF_CFLAGS}" | \
sed 's/ -I/ -isystem/g;')"
PKG_CHECK_MODULES([ZLIB], [zlib])
ZLIB_CFLAGS="$(printf ' %s' "${ZLIB_CFLAGS}" | \
sed 's/ -I/ -isystem/g;')"
PKG_CHECK_MODULES([EXPAT], [expat])
EXPAT_CFLAGS="$(printf ' %s' "${EXPAT_CFLAGS}" | \
sed 's/ -I/ -isystem/g;')"
AC_ARG_VAR([XCF2PNG], [path to xcf2png utility])
AC_CHECK_PROGS([XCF2PNG], [xcf2png], [no])
if test "x$XCF2PNG" = "xno"; then
AC_MSG_ERROR(
[cannot find xcf2png
xcftools may need to be installed.])
fi
AC_PROG_LN_S()
AC_CONFIG_FILES([Makefile])
AC_CONFIG_HEADERS([config.h])
AC_OUTPUT()
|
