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
|
dnl Process this file with autoconf to produce a configure script.
AC_INIT(pgbouncer, 1.0)
AC_CONFIG_SRCDIR(src/bouncer.h)
AC_CONFIG_HEADER(config.h)
dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP
dnl Additional gcc tuning
if test x"$GCC" = xyes; then
AC_MSG_CHECKING([for working warning swithces])
good_CFLAGS="$CFLAGS"
good="-Wall"
flags="-Wextra"
# turn off noise from Wextra
flags="$flags -Wno-unused-parameter -Wno-sign-compare"
flags="$flags -Wno-missing-field-initializers"
# Wextra does not turn those on?
flags="$flags -Wmissing-prototypes -Wpointer-arith -Wendif-labels"
flags="$flags -Wdeclaration-after-statement -Wold-style-definition"
flags="$flags -Wstrict-prototypes"
for f in $flags; do
CFLAGS="$good_CFLAGS $good $f"
AC_COMPILE_IFELSE([void foo(void){}], [good="$good $f"])
done
CFLAGS="$good_CFLAGS $good"
AC_MSG_RESULT([$good])
fi
dnl Checks for header files.
AC_CHECK_HEADERS([crypt.h sys/socket.h sys/ucred.h])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_UINT8_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_SYS_LARGEFILE
dnl Checks for library functions.
AC_CHECK_FUNCS(strlcpy strlcat)
AC_SEARCH_LIBS(crypt, crypt, [], AC_MSG_ERROR([crypt not found]))
dnl Find libevent
AC_MSG_CHECKING([for libevent])
AC_ARG_WITH(libevent,
AC_HELP_STRING([--with-libevent=prefix],[Specify where libevent is installed]),
[ test "$withval" = "no" && AC_MSG_ERROR("cannot work without libevent")
CPPFLAGS="$CPPFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib" ])
LIBS="$LIBS -levent"
AC_LINK_IFELSE([
#include <sys/types.h>
#include <sys/time.h>
#include <stdio.h>
#include <event.h>
int main(void) {
struct event ev;
event_init();
event_set(&ev, 1, EV_READ, NULL, NULL);
} ],
[AC_MSG_RESULT([found])],
[AC_MSG_ERROR([not found])])
# autoconf does not want to find 'install', if not using automake...
INSTALL=install
AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug],[build binary with debugging symbols]))
AC_MSG_CHECKING([whether to build debug binary])
if test "$enable_debug" = "yes"; then
LDFLAGS="-g $LDFLAGS"
CFLAGS="`echo $CFLAGS | sed -e 's/-O2/-O/g'`"
BININSTALL="$INSTALL"
AC_MSG_RESULT([yes])
else
if test x"$GCC" = xyes; then
CFLAGS="$CFLAGS -fomit-frame-pointer"
fi
BININSTALL="$INSTALL -s"
AC_MSG_RESULT([no])
fi
AC_SUBST(INSTALL)
AC_SUBST(BININSTALL)
AC_ARG_ENABLE(cassert, AC_HELP_STRING([--enable-cassert],[turn on assert checking in code]))
AC_MSG_CHECKING([whether to enable asserts])
if test "$enable_cassert" = "yes"; then
AC_DEFINE(CASSERT, 1, [Define to enable assert checking])
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
AC_ARG_ENABLE(werror, AC_HELP_STRING([--enable-werror],[add -Werror to CFLAGS]))
AC_MSG_CHECKING([whether to fail on warnings])
if test "$enable_werror" = "yes"; then
CFLAGS="$CFLAGS -Werror"
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
dnl Output findings
AC_OUTPUT([config.mak])
dnl If separate build dir, link Makefile over
test -f Makefile || {
echo "Linking Makefile"
ln -s $srcdir/Makefile
}
|
