Merge pull request #409 from Alkarex/patch-1
[mono.git] / eglib / configure.ac
1 #
2 # Copyright 2012 Xamarin Inc
3 #
4 AC_INIT(eglib, [0.3],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign])
13 AM_CONFIG_HEADER([config.h])
14 AM_MAINTAINER_MODE
15
16 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
17
18 AC_PROG_CC
19 AM_PROG_LIBTOOL
20 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
21 DOLT
22 GNUC_PRETTY=
23 GNUC_UNUSED=
24 BREAKPOINT="G_STMT_START { raise (SIGTRAP); } G_STMT_END"
25 if test x$GCC = xyes; then
26    GNUC_UNUSED='__attribute__((__unused__))'
27    GNUC_NORETURN='__attribute__((__noreturn__))'
28    case $host_cpu in
29      i*86|x86_64) BREAKPOINT="G_STMT_START { __asm__ (\"int \$03\"); } G_STMT_END" ;;
30    esac
31 fi
32 AC_SUBST(GNUC_PRETTY)
33 AC_SUBST(GNUC_UNUSED)
34 AC_SUBST(GNUC_NORETURN)
35 AC_SUBST(BREAKPOINT)
36
37 # We use a separate variable to pass down CPPFLAGS and CFLAGS from the main mono 
38 # configure, because of autoconf brokeness
39 if test "x$CPPFLAGS_FOR_EGLIB" != "x"; then
40    CPPFLAGS=$CPPFLAGS_FOR_EGLIB
41 fi
42 if test "x$CFLAGS_FOR_EGLIB" != "x"; then
43    CFLAGS=$CFLAGS_FOR_EGLIB
44 fi
45
46 CFLAGS="$CFLAGS -g -D_GNU_SOURCE"
47
48 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
49 AC_C_BIGENDIAN([ORDER=G_BIG_ENDIAN],[ORDER=G_LITTLE_ENDIAN])
50
51 platform_darwin=no
52 platform_android=no
53
54 case $host in
55 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
56     PATHSEP='\\'
57     SEARCHSEP=';'
58     OS="WIN32"
59     PIDTYPE='void *'
60     ;;
61 *-*darwin*)
62     platform_darwin=yes
63     PATHSEP='/'
64     SEARCHSEP=':'
65     OS="UNIX"
66     PIDTYPE='int'
67     ;;
68 *-*-linux-android*)
69     platform_android=yes
70         AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
71     PATHSEP='/'
72     SEARCHSEP=':'
73     OS="UNIX"
74     PIDTYPE='int'
75     ;;
76 *)
77     PATHSEP='/'
78     SEARCHSEP=':'
79     OS="UNIX"
80     PIDTYPE='int'
81     ;;
82 esac
83
84 case $host in
85         *-*-solaris*)
86         CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS"
87         ;;
88 esac
89
90 case $target in
91 arm*-darwin*)
92     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE"
93     ;;
94 i*86-*-darwin*)
95     ORDER=G_LITTLE_ENDIAN
96     ;;
97 *-*-openbsd*)
98     CFLAGS="$CFLAGS -pthread"
99     LDFLAGS="$LDFLAGS -pthread"
100     ;;
101 esac
102
103 AC_SUBST(ORDER)
104 AC_SUBST(CFLAGS)
105 AC_SUBST(PATHSEP)
106 AC_SUBST(SEARCHSEP)
107 AC_SUBST(OS)
108 AC_SUBST(PIDTYPE)
109 AM_CONDITIONAL(HOST_WIN32, test x$OS = xWIN32)
110 AM_CONDITIONAL(TARGET_WIN32, test x$OS = xWIN32)
111 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
112 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
113
114 AC_CHECK_SIZEOF(int)
115 AC_CHECK_SIZEOF(void *)
116 AC_CHECK_SIZEOF(long)
117 AC_CHECK_SIZEOF(long long)
118 AC_CHECK_FUNCS(strndup strlcpy stpcpy getpwuid_r strtok_r rewinddir vasprintf)
119 AM_CONDITIONAL(NEED_VASPRINTF, test x$have_vasprintf = x )
120 AM_ICONV()
121 AC_SEARCH_LIBS(sqrtf, m)
122
123 # nanosleep may not be part of libc, also search it in other libraries
124 AC_SEARCH_LIBS(nanosleep, rt)
125
126 AC_SEARCH_LIBS(dlopen, dl)
127 old_ldflags="${LDFLAGS}"
128 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
129 AC_TRY_LINK(, [int i;], found_export_dynamic=yes, found_export_dynamic=no)
130 if test $found_export_dynamic = no; then
131         LDFLAGS="${old_ldflags}"
132 fi
133
134 AC_MSG_CHECKING(for varargs macros)
135 AC_TRY_COMPILE([],[
136 int foo (int i, int j);
137 #define bar(...) foo (1, __VA_ARGS__)
138 void main () {
139          bar (2);
140 }
141 ],have_iso_varargs=yes,have_iso_varargs=no)
142 AC_MSG_RESULT($have_iso_varargs)
143 G_HAVE_ISO_VARARGS=0
144 if test "x$have_iso_varargs" = "xyes"; then
145    G_HAVE_ISO_VARARGS=1
146 fi
147 AC_SUBST(G_HAVE_ISO_VARARGS)
148
149 AC_CHECK_HEADERS(getopt.h sys/time.h sys/wait.h pwd.h langinfo.h iconv.h localcharset.h sys/types.h)
150 AC_CHECK_HEADER(alloca.h, [HAVE_ALLOCA_H=1], [HAVE_ALLOCA_H=0])
151 AC_SUBST(HAVE_ALLOCA_H)
152
153 if test $ac_cv_sizeof_void_p = $ac_cv_sizeof_int; then
154    GPOINTER_TO_INT="((gint) (ptr))"
155    GPOINTER_TO_UINT="((guint) (ptr))"
156    GINT_TO_POINTER="((gpointer) (v))"
157    GUINT_TO_POINTER="((gpointer) (v))"
158    GSIZE="int"
159    GSIZE_FORMAT='"u"'
160    G_GUINT64_FORMAT='"llu"'
161    G_GINT64_FORMAT='"lld"'
162    G_GUINT32_FORMAT='"lu"'
163    G_GINT32_FORMAT='"ld"'
164 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long; then
165    GPOINTER_TO_INT="((gint)(long) (ptr))"
166    GPOINTER_TO_UINT="((guint)(long) (ptr))"
167    GINT_TO_POINTER="((gpointer)(glong) (v))"
168    GUINT_TO_POINTER="((gpointer)(gulong) (v))"
169    GSIZE="long"
170    GSIZE_FORMAT='"lu"'
171    G_GUINT64_FORMAT='"lu"'
172    G_GINT64_FORMAT='"ld"'
173    G_GUINT32_FORMAT='"u"'
174    G_GINT32_FORMAT='"d"'
175 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long_long; then
176    GPOINTER_TO_INT="((gint)(long long) (ptr))"
177    GPOINTER_TO_UINT="((guint)(unsigned long long) (ptr))"
178    GINT_TO_POINTER="((gpointer)(long long) (v))"
179    GUINT_TO_POINTER="((gpointer)(unsigned long long) (v))"
180    GSIZE="long long"
181    GSIZE_FORMAT='"I64u"'
182    G_GUINT64_FORMAT='"I64u"'
183    G_GINT64_FORMAT='"I64i"'
184    G_GUINT32_FORMAT='"I32u"'
185    G_GINT32_FORMAT='"I32i"'
186 else
187    AC_MSG_ERROR([unsupported pointer size])
188 fi
189
190 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
191
192 pkg_config_path=
193 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
194         if test x$with_crosspkgdir = "x"; then
195                 if test -s $PKG_CONFIG_PATH; then
196                         pkg_config_path=$PKG_CONFIG_PATH
197                 fi
198         else
199                 pkg_config_path=$with_crosspkgdir
200                 PKG_CONFIG_PATH=$pkg_config_path
201                 export PKG_CONFIG_PATH
202         fi
203 )
204
205 dnl
206 dnl No, you can not replace the call below with a pkg.m4 macro
207 dnl
208 have_glib=false
209 if test "x$PKG_CONFIG" != "xno"; then
210     if $PKG_CONFIG --atleast-version=$GLIB_REQUIRED_VERSION glib-2.0; then
211         have_glib=true;
212     else
213         have_glib=false;
214     fi
215 fi
216 AM_CONDITIONAL(HAVE_GLIB, $have_glib)
217
218 AC_SUBST(GPOINTER_TO_INT)
219 AC_SUBST(GPOINTER_TO_UINT)
220 AC_SUBST(GINT_TO_POINTER)
221 AC_SUBST(GUINT_TO_POINTER)
222 AC_SUBST(GSIZE)
223 AC_SUBST(GSIZE_FORMAT)
224 AC_SUBST(G_GUINT64_FORMAT)
225 AC_SUBST(G_GINT64_FORMAT)
226 AC_SUBST(G_GUINT32_FORMAT)
227 AC_SUBST(G_GINT32_FORMAT)
228
229 AC_OUTPUT([
230 Makefile
231 m4/Makefile
232 src/Makefile
233 src/eglib-config.h
234 test/Makefile
235 ])