1 #!/bin/sh
2 #
3 # Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@openbsd.org>
4 # Copyright (c) 2017, 2018 Kristaps Dzonsons <kristaps@bsd.lv>
5 # Copyright (c) 2022, 2023 Omar Polo <op@openbsd.org>
6 #
7 # Permission to use, copy, modify, and distribute this software for any
8 # purpose with or without fee is hereby granted, provided that the above
9 # copyright notice and this permission notice appear in all copies.
10 #
11 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 
19 CDIAGFLAGS="-Wall -Wuninitialized -Wunused -Wmissing-prototypes"
20 CDIAGFLAGS="${CDIAGFLAGS} -Wstrict-prototypes -Wno-pointer-sign"
21 
22 # don't ship releases with -Werror
23 test "$RELEASE" = no && CDIAGFLAGS="${CDIAGFLAGS} -Werror"
24 
25 COMPATS=
26 
27 push_cflags() {
28 	if ! echo "$CFLAGS" | grep -q -e "$1"; then
29 		CFLAGS="${CFLAGS+$CFLAGS } $1"
30 	fi
31 }
32 
33 push_ldflags() {
34 	if ! echo "$LDFLAGS" | grep -q -e "$1"; then
35 		LDFLAGS="${LDFLAGS+$LDFLAGS } $1"
36 	fi
37 }
38 
39 # singletest name var extra-cflags extra-libs msg
40 singletest() {
41 	msg="$5"
42 	if [ -z "$msg" ]; then
43 		if [ -n "$3" ]; then
44 			msg=" ($3)"
45 		elif [ -n "$4" ]; then
46 			msg=" ($4)"
47 		fi
48 	elif [ "$msg" = no ]; then
49 		msg=""
50 	fi
51 
52 	cat >&3 <<EOF
53 $1: testing...
54 $CC tests/$1.c $CFLAGS -Werror $3 -o test-$1 $LDFLAGS $4
55 EOF
56 	if $CC tests/$1.c $CFLAGS -Werror $3 -o test-$1 $LDFLAGS $4 >&3 2>&3;
57 	then
58 		rm -f test-$1 test-$1.d
59 
60 		echo "$1: $CC$msg succeeded" >&3
61 		echo "$1$msg: yes"
62 		echo >&3
63 
64 		return 0
65 	fi
66 
67 	echo "$1: $CC$msg failed with $?" >&3
68 	echo "$1$msg: no"
69 	echo >&3
70 
71 	rm -f test-$1 test-$1.d
72 
73 	return 1
74 }
75 
76 # runtest name var extra-cflags extra-libs pkgconfig-name
77 runtest() {
78 	if singletest "$1" "$2" "" ""; then
79 		eval HAVE_$2=1
80 		return 0
81 	fi
82 
83 	if [ -n "$3" -o -n "$4" ]; then
84 		echo "retrying with ${3+$3 }$4" >&3
85 		if singletest "$1" "$2" "$3" "$4"; then
86 			if [ -n "$3" ]; then
87 				push_cflags "$3"
88 			fi
89 			if [ -n "$4" ]; then
90 				push_ldflags "$4"
91 			fi
92 			eval HAVE_$2=1
93 			return 0
94 		fi
95 	fi
96 
97 	if [ -n "$5" -a -n "$pkgconfig" ]; then
98 		if $pkgconfig "$5"; then
99 			cflags="$($pkgconfig --cflags "$5")"
100 			ldflags="$($pkgconfig --libs "$5")"
101 			echo "retrying with $pkgconfig" >&3
102 			if singletest "$1" "$2" "$cflags" "$ldflags"; then
103 				push_cflags "$cflags"
104 				push_ldflags "$ldflags"
105 				eval HAVE_$2=1
106 				return 0
107 			fi
108 		fi
109 	fi
110 
111 	if [ -f compat/$1.c ]; then
112 		COMPATS="${COMPATS+$COMPATS }compat/$1.c"
113 	fi
114 
115 	eval HAVE_$2=0
116 	return 1
117 }
118 
119 if singletest MMD _MMD -MMD >/dev/null; then
120 	push_cflags -MMD
121 	echo "adding -MMD to CFLAGS" >&2
122 	echo "adding -MMD to CFLAGS" >&3
123 fi
124 
125 if ! singletest WAIT_ANY WAIT_ANY; then
126 	push_cflags -DWAIT_ANY=-1
127 fi
128 
129 runtest __progname	__PROGNAME				|| true
130 runtest err		ERR					|| true
131 runtest freezero	FREEZERO				|| true
132 runtest getdtablecount	GETDTABLECOUNT				|| true
133 runtest getdtablesize	GETDTABLESIZE				|| true
134 runtest getexecname	GETEXECNAME				|| true
135 runtest getprogname	GETPROGNAME				|| true
136 runtest libevent	LIBEVENT "" -levent libevent_core	|| true
137 runtest pledge		PLEDGE					|| true
138 runtest recallocarray	RECALLOCARRAY -D_OPENBSD_SOURCE		|| true
139 runtest setgroups	SETGROUPS -D_BSD_SOURCE			|| true
140 runtest setproctitle	SETPROCTITLE				|| true
141 runtest setresgid	SETRESGID -D_GNU_SOURCE			|| true
142 runtest setresuid	SETRESUID -D_GNU_SOURCE			|| true
143 runtest sqlite3		SQLITE3 "" -lsqlite3 sqlite3		|| true
144 runtest strlcat		STRLCAT					|| true
145 runtest strlcpy		STRLCPY					|| true
146 runtest strtonum	STRTONUM				|| true
147 runtest sys_queue	SYS_QUEUE				|| true
148 runtest sys_tree	SYS_TREE				|| true
149 runtest unveil		UNVEIL					|| true
150 runtest vasprintf	VASPRINTF -D_GNU_SOURCE			|| true
151 
152 if [ "$HAVE_SYS_QUEUE" -eq 0 -o "$HAVE_SYS_TREE" -eq 0 ]; then
153 	CFLAGS="-I compat/sys $CFLAGS"
154 fi
155 
156 if [ -n "$COMPATS" ]; then
157 	CFLAGS="-I compat $CFLAGS"
158 fi
159 
160 CFLAGS="$CFLAGS $CDIAGFLAGS"
161 
162 exec > config.h
163 echo "config.h writing..." >&2
164 
165 cat <<EOF
166 #ifndef CONFIG_H
167 #define CONFIG_H
168 
169 #ifdef __cplusplus
170 # error "Do not use C++: this is a C application."
171 #endif
172 
173 #define HAVE___PROGNAME		${HAVE___PROGNAME}
174 #define HAVE_ERR		${HAVE_ERR}
175 #define HAVE_FREEZERO		${HAVE_FREEZERO}
176 #define HAVE_GETDTABLECOUNT	${HAVE_GETDTABLECOUNT}
177 #define HAVE_GETDTABLESIZE	${HAVE_GETDTABLESIZE}
178 #define HAVE_GETEXECNAME	${HAVE_GETEXECNAME}
179 #define HAVE_GETPROGNAME	${HAVE_GETPROGNAME}
180 #define HAVE_SQLITE3		${HAVE_SQLITE3}
181 #define HAVE_PLEDGE		${HAVE_PLEDGE}
182 #define HAVE_RECALLOCARRAY	${HAVE_RECALLOCARRAY}
183 #define HAVE_SETGROUPS		${HAVE_SETGROUPS}
184 #define HAVE_SETPROCTITLE	${HAVE_SETPROCTITLE}
185 #define HAVE_SETRESGID		${HAVE_SETRESGID}
186 #define HAVE_SETRESUID		${HAVE_SETRESUID}
187 #define HAVE_STRLCAT		${HAVE_STRLCAT}
188 #define HAVE_STRLCPY		${HAVE_STRLCPY}
189 #define HAVE_STRTONUM		${HAVE_STRTONUM}
190 #define HAVE_SYS_QUEUE		${HAVE_SYS_QUEUE}
191 #define HAVE_SYS_TREE		${HAVE_SYS_TREE}
192 #define HAVE_UNVEIL		${HAVE_UNVEIL}
193 #define HAVE_VASPRINTF		${HAVE_VASPRINTF}
194 
195 #endif
196 EOF
197 
198 exec > config.mk
199 echo "config.mk: writing..." >&2
200 
201 cat <<EOF
202 include ../config.mk
203 
204 CC =		${CC}
205 CFLAGS =	${CFLAGS}
206 LDFLAGS =	${LDFLAGS}
207 
208 COMPATS =	${COMPATS}
209 EOF