]> git.ipfire.org Git - thirdparty/kmod.git/blame - configure.ac
module-playground: allow to cross-compile modules
[thirdparty/kmod.git] / configure.ac
CommitLineData
ecd40ee4 1AC_PREREQ(2.60)
cb48c9b2 2AC_INIT([kmod],
f9e2167b 3 [19],
e17cc3af 4 [linux-modules@vger.kernel.org],
cb48c9b2 5 [kmod],
bb05bc8a 6 [http://git.kernel.org/?p=utils/kernel/kmod/kmod.git])
586fc304
LDM
7
8AC_CONFIG_SRCDIR([libkmod/libkmod.c])
ecd40ee4 9AC_CONFIG_AUX_DIR([build-aux])
a597c8bb 10AM_INIT_AUTOMAKE([check-news foreign 1.11 silent-rules
8edd5bb2 11 tar-pax no-dist-gzip dist-xz subdir-objects color-tests parallel-tests])
ecd40ee4
LDM
12AC_PROG_CC_STDC
13AC_USE_SYSTEM_EXTENSIONS
14AC_SYS_LARGEFILE
15AC_CONFIG_MACRO_DIR([m4])
fe8bf3b0 16m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
ecd40ee4
LDM
17AM_SILENT_RULES([yes])
18LT_INIT([disable-static pic-only])
19AC_PREFIX_DEFAULT([/usr])
f5cc26c7 20AM_MAINTAINER_MODE([enable])
ecd40ee4 21
b7016153
LDM
22AS_IF([test "x$enable_static" = "xyes"],
23 [AC_MSG_ERROR([--enable-static is not supported by kmod])])
24
25
3ef7208e
LDM
26#####################################################################
27# Program checks and configurations
28#####################################################################
29
648a842b
LDM
30AC_PROG_CC
31AC_PROG_CC_C99
648a842b
LDM
32AM_PROG_CC_C_O
33AC_PROG_GCC_TRADITIONAL
708624a4 34AC_C_BIGENDIAN
648a842b 35
9faa7b37
KS
36AC_PROG_SED
37AC_PROG_MKDIR_P
7b3a74fc 38PKG_PROG_PKG_CONFIG
bccb4b25 39AC_PATH_PROG([XSLTPROC], [xsltproc])
3d8226ed 40
3ef7208e
LDM
41
42#####################################################################
43# Function and structure checks
44#####################################################################
45
d005aeb7 46AC_CHECK_FUNCS_ONCE(__xstat)
41a51c2a 47AC_CHECK_FUNCS_ONCE([__secure_getenv secure_getenv])
55112d19 48AC_CHECK_FUNCS_ONCE([finit_module])
d005aeb7 49
e6307200
LDM
50CC_CHECK_FUNC_BUILTIN([__builtin_clz])
51CC_CHECK_FUNC_BUILTIN([__builtin_types_compatible_p])
aac5f451
LDM
52CC_CHECK_FUNC_BUILTIN([__builtin_uaddl_overflow], [ ], [ ])
53CC_CHECK_FUNC_BUILTIN([__builtin_uaddll_overflow], [ ], [ ])
e6307200 54
3ef7208e
LDM
55# dietlibc doesn't have st.st_mtim struct member
56AC_CHECK_MEMBERS([struct stat.st_mtim], [], [], [#include <sys/stat.h>])
57
04c0956e
LDM
58# musl 1.0 and bionic 4.4 don't have strndupa
59AC_CHECK_DECLS_ONCE([strndupa])
60
9b34db1a
RM
61# RHEL 5 and older do not have be32toh
62AC_CHECK_DECLS_ONCE([be32toh])
63
144d1826
KC
64# Check kernel headers
65AC_CHECK_HEADERS_ONCE([linux/module.h])
66
dc8ed09f
TP
67AC_MSG_CHECKING([whether _Static_assert() is supported])
68AC_COMPILE_IFELSE(
69 [AC_LANG_SOURCE([[_Static_assert(1, "Test");]])],
70 [AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define if _Static_assert() is available])
71 AC_MSG_RESULT([yes])],
72 [AC_MSG_RESULT([no])])
3ef7208e
LDM
73
74#####################################################################
75# --with-
76#####################################################################
77
e79bf83b
KS
78AC_ARG_WITH([rootlibdir],
79 AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]),
80 [], [with_rootlibdir=$libdir])
81AC_SUBST([rootlibdir], [$with_rootlibdir])
82
b182f8fb
JE
83AC_ARG_WITH([xz],
84 AS_HELP_STRING([--with-xz], [handle Xz-compressed modules @<:@default=disabled@:>@]),
85 [], [with_xz=no])
86AS_IF([test "x$with_xz" != "xno"], [
87 PKG_CHECK_MODULES([liblzma], [liblzma >= 4.99])
88 AC_DEFINE([ENABLE_XZ], [1], [Enable Xz for modules.])
89], [
90 AC_MSG_NOTICE([Xz support not requested])
91])
92
5a51a357
JE
93AC_ARG_WITH([zlib],
94 AS_HELP_STRING([--with-zlib], [handle gzipped modules @<:@default=disabled@:>@]),
95 [], [with_zlib=no])
96AS_IF([test "x$with_zlib" != "xno"], [
7b3a74fc
JE
97 PKG_CHECK_MODULES([zlib], [zlib])
98 AC_DEFINE([ENABLE_ZLIB], [1], [Enable zlib for modules.])
cfb908bf
LDM
99], [
100 AC_MSG_NOTICE([zlib support not requested])
cfb908bf 101])
3d8226ed 102
80cf2c8f
LDM
103AC_ARG_WITH([bashcompletiondir],
104 AS_HELP_STRING([--with-bashcompletiondir=DIR], [Bash completions directory]),
105 [],
106 [AS_IF([$($PKG_CONFIG --exists bash-completion)], [
107 with_bashcompletiondir=$($PKG_CONFIG --variable=completionsdir bash-completion)
108 ] , [
109 with_bashcompletiondir=${datadir}/bash-completion/completions
110 ])])
111AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])
3ef7208e
LDM
112
113#####################################################################
114# --enable-
115#####################################################################
116
117AC_ARG_ENABLE([tools],
118 AS_HELP_STRING([--disable-tools], [disable building tools that provide same functionality as module-init-tools @<:@default=enabled@:>@]),
119 [], enable_tools=yes)
120AM_CONDITIONAL([BUILD_TOOLS], [test "x$enable_tools" = "xyes"])
121
8631552d
CW
122AC_ARG_ENABLE([manpages],
123 AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
124 [], enable_manpages=yes)
125AM_CONDITIONAL([BUILD_MANPAGES], [test "x$enable_manpages" = "xyes"])
126
3ef7208e
LDM
127AC_ARG_ENABLE([logging],
128 AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]),
129 [], enable_logging=yes)
130AS_IF([test "x$enable_logging" = "xyes"], [
131 AC_DEFINE(ENABLE_LOGGING, [1], [System logging.])
132])
133
ecd40ee4
LDM
134AC_ARG_ENABLE([debug],
135 AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
136 [], [enable_debug=no])
137AS_IF([test "x$enable_debug" = "xyes"], [
138 AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
139])
140
3a33a7a5
LDM
141AC_ARG_ENABLE([python],
142 AS_HELP_STRING([--enable-python], [enable Python libkmod bindings @<:@default=disabled@:>@]),
143 [], [enable_python=no])
144AS_IF([test "x$enable_python" = "xyes"], [
145 AM_PATH_PYTHON(,,[:])
146 AC_PATH_PROG([CYTHON], [cython], [:])
147
148 PKG_CHECK_MODULES([PYTHON], [python-${PYTHON_VERSION}],
149 [have_python=yes],
150 [PKG_CHECK_MODULES([PYTHON], [python],
151 [have_python=yes],
152 [have_python=no])])
153
154 AS_IF([test "x$have_python" = xno],
155 [AC_MSG_ERROR([*** python support requested but libraries not found])])
156])
157AM_CONDITIONAL([BUILD_PYTHON], [test "x$enable_python" = "xyes"])
158
e9b0d1b4
LDM
159AC_ARG_ENABLE([coverage],
160 AS_HELP_STRING([--enable-coverage], [enable test coverage @<:@default=disabled@:>@]),
161 [], [enable_coverage=no])
162AS_IF([test "x$enable_coverage" = "xyes"], [
163 AC_CHECK_PROG(have_coverage, [lcov], [yes], [no])
164 AS_IF([test "x$have_coverage" = xno],[
165 AC_MSG_ERROR([*** lcov support requested but the program was not found])
166 ], [
167 lcov_version_major="`lcov --version | cut -d ' ' -f 4 | cut -d '.' -f 1`"
168 lcov_version_minor="`lcov --version | cut -d ' ' -f 4 | cut -d '.' -f 2`"
169 AS_IF([test "$lcov_version_major" -lt 1 -o "$lcov_version_minor" -lt 10], [
170 AC_MSG_ERROR([*** lcov version is too old. 1.10 required])
171 ], [
172 have_coverage=yes
173 CC_CHECK_FLAGS_APPEND([with_coverage_cflags], [CFLAGS], [\
174 -fprofile-arcs \
175 -ftest-coverage])
176 ])
177 ])
178])
179AM_CONDITIONAL([ENABLE_COVERAGE], [test "x$enable_coverage" = "xyes"])
180
3ef7208e
LDM
181m4_ifdef([GTK_DOC_CHECK], [
182GTK_DOC_CHECK([1.14],[--flavour no-tmpl-flat])
183], [
184AM_CONDITIONAL([ENABLE_GTK_DOC], false)])
185
186
187#####################################################################
188# Default CFLAGS and LDFLAGS
189#####################################################################
6068aaae 190
e48f3765
LDM
191CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
192 -pipe \
193 -DANOTHER_BRICK_IN_THE \
194 -Wall \
195 -W \
196 -Wextra \
197 -Wno-inline \
198 -Wvla \
199 -Wundef \
200 -Wformat=2 \
201 -Wlogical-op \
202 -Wsign-compare \
203 -Wformat-security \
204 -Wmissing-include-dirs \
205 -Wformat-nonliteral \
206 -Wold-style-definition \
207 -Wpointer-arith \
208 -Winit-self \
209 -Wdeclaration-after-statement \
210 -Wfloat-equal \
211 -Wmissing-prototypes \
212 -Wstrict-prototypes \
213 -Wredundant-decls \
214 -Wmissing-declarations \
215 -Wmissing-noreturn \
216 -Wshadow \
217 -Wendif-labels \
db62153e 218 -Wstrict-aliasing=3 \
e48f3765
LDM
219 -Wwrite-strings \
220 -Wno-long-long \
221 -Wno-overlength-strings \
222 -Wno-unused-parameter \
223 -Wno-missing-field-initializers \
224 -Wno-unused-result \
225 -Wnested-externs \
226 -Wchar-subscripts \
227 -Wtype-limits \
228 -Wuninitialized \
229 -fno-common \
230 -fdiagnostics-show-option \
231 -fvisibility=hidden \
232 -ffunction-sections \
233 -fdata-sections])
27bcc911 234AC_SUBST([OUR_CFLAGS], "$with_cflags $with_coverage_cflags")
e48f3765 235
c677bf2c 236
e48f3765
LDM
237CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [ \
238 -Wl,--as-needed \
a5f799af 239 -Wl,--no-undefined \
e48f3765 240 -Wl,--gc-sections])
84aaaedf 241AC_SUBST([OUR_LDFLAGS], $with_ldflags)
3ef7208e
LDM
242
243#####################################################################
244# Generate files from *.in
245#####################################################################
246
ecd40ee4
LDM
247AC_CONFIG_HEADERS(config.h)
248AC_CONFIG_FILES([
249 Makefile
904b57d0 250 man/Makefile
646b83b8
LDM
251 libkmod/docs/Makefile
252 libkmod/docs/version.xml
ecd40ee4
LDM
253])
254
3ef7208e
LDM
255
256#####################################################################
646b83b8 257
ecd40ee4
LDM
258AC_OUTPUT
259AC_MSG_RESULT([
260 $PACKAGE $VERSION
80cf2c8f 261 =======
ecd40ee4
LDM
262
263 prefix: ${prefix}
264 sysconfdir: ${sysconfdir}
265 libdir: ${libdir}
e79bf83b 266 rootlibdir: ${rootlibdir}
ecd40ee4 267 includedir: ${includedir}
7c41c2dd 268 bindir: ${bindir}
80cf2c8f 269 Bash completions dir: ${with_bashcompletiondir}
ecd40ee4
LDM
270
271 compiler: ${CC}
e48f3765
LDM
272 cflags: ${with_cflags} ${CFLAGS}
273 ldflags: ${with_ldflags} ${LDFLAGS}
ecd40ee4 274
7c41c2dd 275 tools: ${enable_tools}
3a33a7a5 276 python bindings: ${enable_python}
ecd40ee4 277 logging: ${enable_logging}
b182f8fb 278 compression: xz=${with_xz} zlib=${with_zlib}
ecd40ee4 279 debug: ${enable_debug}
e9b0d1b4 280 coverage: ${enable_coverage}
646b83b8 281 doc: ${enable_gtk_doc}
382de85c 282 man: ${enable_manpages}
ecd40ee4 283])