summaryrefslogtreecommitdiff
path: root/configure.ac
blob: 6093717f68a3ee0c51655e18249b7645a65c3d72 (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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
AC_PREREQ([2.60])
AC_INIT([squashfs-tools-ng], [0.7], [goliath@infraroot.at], squashfs-tools-ng)
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([foreign dist-xz subdir-objects])
AM_SILENT_RULES([yes])
LT_INIT([win32-dll])
AC_PROG_CC
AC_PROG_CC_C99
AC_PROG_INSTALL
AC_SYS_LARGEFILE
AC_CANONICAL_HOST

m4_ifndef([PKG_PROG_PKG_CONFIG],
  [m4_fatal([Could not locate the pkg-config autoconf
    macros. These are usually located in /usr/share/aclocal/pkg.m4.
    If your macros are in a different location, try setting the
    environment variable AL_OPTS="-I/other/macro/dir" before running
    ./autogen.sh or autoreconf again. Make sure pkg-config is installed.])])
PKG_PROG_PKG_CONFIG
PKG_INSTALLDIR

UL_WARN_ADD([-Wall])
UL_WARN_ADD([-Wextra])
UL_WARN_ADD([-Wunused])
UL_WARN_ADD([-Wmissing-prototypes])
UL_WARN_ADD([-Wmissing-declarations])
UL_WARN_ADD([-Wwrite-strings])
UL_WARN_ADD([-Wjump-misses-init])
UL_WARN_ADD([-Wuninitialized])
UL_WARN_ADD([-Winit-self])
UL_WARN_ADD([-Wlogical-op])
UL_WARN_ADD([-Wunused-but-set-parameter])
UL_WARN_ADD([-Wunused-but-set-variable])
UL_WARN_ADD([-Wunused-parameter])
UL_WARN_ADD([-Wunused-result])
UL_WARN_ADD([-Wunused-variable])
UL_WARN_ADD([-Wduplicated-cond])
UL_WARN_ADD([-Wduplicated-branches])
UL_WARN_ADD([-Wrestrict])
UL_WARN_ADD([-Wnull-dereference])
UL_WARN_ADD([-pedantic])

AC_SUBST([WARN_CFLAGS])

##### target detection & target specific stuff #####

build_windows="no"

case "${host_os}" in
cygwin*|mingw*)
	build_windows=yes
	;;
esac

AM_CONDITIONAL([WINDOWS], [test "x$build_windows" = "xyes"])

##### config options #####

AC_ARG_WITH([xz],
	[AS_HELP_STRING([--with-xz], [Build with xz compression support])],
	[want_xz="${withval}"], [want_xz="maybe"])

AC_ARG_WITH([lzo],
	[AS_HELP_STRING([--with-lzo], [Build with lzo compression support])],
	[want_lzo="${withval}"], [want_lzo="maybe"])

AC_ARG_WITH([lz4],
	[AS_HELP_STRING([--without-lz4], [Build with lz4 compression support])],
	[want_lz4="${withval}"], [want_lz4="maybe"])

AC_ARG_WITH([zstd],
	[AS_HELP_STRING([--with-zstd], [Build with zstd compression support])],
	[want_zstd="${withval}"], [want_zstd="maybe"])

AC_ARG_WITH([selinux],
	[AS_HELP_STRING([--with-selinux],
			[Build with SELinux label file support])],
	[want_selinux="${withval}"], [want_selinux="maybe"])

AC_ARG_WITH([pthread],
	[AS_HELP_STRING([--without-pthread],
			[Build without pthread based block compressor])],
	[want_pthread="${withval}"], [want_pthread="yes"])

AC_ARG_WITH([tools],
	[AS_HELP_STRING([--without-tools],
			[Only build libsquashfs, do not build the tools.])],
	[build_tools="${withval}"], [build_tools="yes"])

if test "x$build_windows" = "xyes"; then
	want_pthread="no"
fi

if test "x$build_windows" = "xyes"; then
	build_tools="no"
fi

AM_CONDITIONAL([BUILD_TOOLS], [test "x$build_tools" = "xyes"])

##### Doxygen reference manual #####

AC_CHECK_PROGS([DOXYGEN], [doxygen])
AM_CONDITIONAL([HAVE_DOXYGEN], [test -n "$DOXYGEN"])

if test -z "$DOXYGEN"; then
	AC_MSG_WARN([Doxygen not found - continuing without Doxygen support])
else
	AC_CONFIG_FILES([Doxyfile])

	DX_DOXYGEN_FEATURE(ON)
	DX_DOT_FEATURE(ON)
	DX_HTML_FEATURE(ON)
	DX_CHM_FEATURE(OFF)
	DX_CHI_FEATURE(OFF)
	DX_MAN_FEATURE(OFF)
	DX_RTF_FEATURE(OFF)
	DX_XML_FEATURE(OFF)
	DX_PDF_FEATURE(OFF)
	DX_PS_FEATURE(OFF)
	DX_INIT_DOXYGEN(libsquashfs, Doxyfile)
fi

##### search for dependencies #####

AM_CONDITIONAL([WITH_GZIP], [true])
PKG_CHECK_MODULES(ZLIB, [zlib], [], [AC_MSG_ERROR([cannot find zlib])])

PKG_CHECK_MODULES(XZ, [liblzma >= 5.0.0],
		      [AM_CONDITIONAL([WITH_XZ], [true])],
		      [AM_CONDITIONAL([WITH_XZ], [false])])

PKG_CHECK_MODULES(LZ4, [liblz4],
		       [AM_CONDITIONAL([WITH_LZ4], [true])],
		       [AM_CONDITIONAL([WITH_LZ4], [false])])

PKG_CHECK_MODULES(ZSTD, [libzstd],
			[AM_CONDITIONAL([WITH_ZSTD], [true])],
			[AM_CONDITIONAL([WITH_ZSTD], [false])])

libsqfs_dep_mod=""
AM_COND_IF([WITH_GZIP], [libsqfs_dep_mod="$libsqfs_dep_mod zlib"], [])
AM_COND_IF([WITH_XZ], [libsqfs_dep_mod="$libsqfs_dep_mod liblzma >= 5.0.0"], [])
AM_COND_IF([WITH_LZ4], [libsqfs_dep_mod="$libsqfs_dep_mod liblz4"], [])
AM_COND_IF([WITH_ZSTD], [libsqfs_dep_mod="$libsqfs_dep_mod libzstd"], [])
AC_SUBST([LIBSQFS_DEP_MOD], ["$libsqfs_dep_mod"])

AM_CONDITIONAL([WITH_LZO], [false])

if test "x$want_lzo" != "xno"; then
	AC_ARG_VAR([LZO_CFLAGS], [C compiler flags for lzo])
	AC_ARG_VAR([LZO_LIBS], [linker flags for lzo])
	AM_CONDITIONAL([WITH_LZO], [true])

	AC_CHECK_LIB([lzo2], [lzo1x_1_15_compress], [LZO_LIBS="-llzo2"],
			     [AC_CHECK_LIB([lzo],[lzo1x_1_15_compress],
				[LZO_LIBS="-llzo"],
			     	[AM_CONDITIONAL([WITH_LZO], [false])]
			     )]
		    )
fi

if test "x$build_tools" = "xyes"; then
	AM_CONDITIONAL([WITH_SELINUX], [false])

	if test "x$want_selinux" != "xno"; then
		AM_CONDITIONAL([WITH_SELINUX], [true])

		PKG_CHECK_MODULES(LIBSELINUX, [libselinux], [],
				  [AM_CONDITIONAL([WITH_SELINUX], [false])])
		AC_CHECK_HEADERS([selinux/selinux.h], [],
				 [AM_CONDITIONAL([WITH_SELINUX], [false])])
		AC_CHECK_HEADERS([selinux/label.h], [],
				 [AM_CONDITIONAL([WITH_SELINUX], [false])])
	fi
else
	want_selinux="no"
fi

case "$want_xz" in
yes) AM_COND_IF([WITH_XZ], [], [AC_MSG_ERROR([cannot find xz sdk])]) ;;
no)  AM_CONDITIONAL([WITH_XZ], [false]) ;;
esac

case "$want_lzo" in
yes) AM_COND_IF([WITH_LZO], [], [AC_MSG_ERROR([cannot find lzo library])]) ;;
no)  AM_CONDITIONAL([WITH_LZO], [false]) ;;
esac

case "$want_lz4" in
yes) AM_COND_IF([WITH_LZ4], [], [AC_MSG_ERROR([cannot find lz4 library])]) ;;
no)  AM_CONDITIONAL([WITH_LZ4], [false]) ;;
esac

case "$want_zstd" in
yes) AM_COND_IF([WITH_ZSTD], [], [AC_MSG_ERROR([cannot find zstd library])]) ;;
no)  AM_CONDITIONAL([WITH_ZSTD], [false]) ;;
esac

case "$want_selinux" in
yes) AM_COND_IF([WITH_SELINUX], [], [AC_MSG_ERROR([cannot find selinux])]) ;;
no)  AM_CONDITIONAL([WITH_SELINUX], [false]) ;;
esac

AM_CONDITIONAL([HAVE_PTHREAD], [false])
if test "x$want_pthread" = "xyes"; then
	AX_PTHREAD([AM_CONDITIONAL([HAVE_PTHREAD], [true])],
		   [AC_MSG_ERROR([cannot find pthread])])
fi

##### additional checks #####
AX_COMPILE_CHECK_SIZEOF(time_t)
AX_COMPILE_CHECK_SIZEOF(size_t)
AX_COMPILE_CHECK_SIZEOF(short)
AX_COMPILE_CHECK_SIZEOF(int)
AX_COMPILE_CHECK_SIZEOF(long)
AX_COMPILE_CHECK_SIZEOF(long long)

AC_CHECK_HEADERS([sys/xattr.h], [], [])
AC_CHECK_HEADERS([sys/sysinfo.h], [], [])

AC_CHECK_FUNCS([strndup])

##### generate output #####

AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([lib/sqfs/libsquashfs.pc])

AC_OUTPUT([Makefile])