4 [linux-modules@vger.kernel.org],
6 [http://git.kernel.org/?p=utils/kernel/kmod/kmod.git])
8 AC_CONFIG_SRCDIR([libkmod/libkmod.c])
9 AC_CONFIG_MACRO_DIR([m4])
10 AC_CONFIG_HEADERS(config.h)
11 AC_CONFIG_AUX_DIR([build-aux])
13 AC_USE_SYSTEM_EXTENSIONS
15 AC_PREFIX_DEFAULT([/usr])
16 AM_MAINTAINER_MODE([enable])
17 AM_INIT_AUTOMAKE([check-news foreign 1.11 silent-rules tar-pax no-dist-gzip dist-xz subdir-objects color-tests parallel-tests])
18 AM_SILENT_RULES([yes])
19 LT_INIT([disable-static pic-only])
22 AS_IF([test "x$enable_static" = "xyes"], [AC_MSG_ERROR([--enable-static is not supported by kmod])])
23 AS_IF([test "x$enable_largefile" = "xno"], [AC_MSG_ERROR([--disable-largefile is not supported by kmod])])
25 #####################################################################
26 # Program checks and configurations
27 #####################################################################
33 AC_PATH_PROG([XSLTPROC], [xsltproc])
34 AC_PATH_PROG([MKOSI], [mkosi])
38 #####################################################################
39 # Function and structure checks
40 #####################################################################
42 AC_CHECK_FUNCS_ONCE(__xstat)
43 AC_CHECK_FUNCS_ONCE([__secure_getenv secure_getenv])
44 AC_CHECK_FUNCS_ONCE([finit_module])
46 CC_CHECK_FUNC_BUILTIN([__builtin_clz])
47 CC_CHECK_FUNC_BUILTIN([__builtin_types_compatible_p])
48 CC_CHECK_FUNC_BUILTIN([__builtin_uaddl_overflow], [ ], [ ])
49 CC_CHECK_FUNC_BUILTIN([__builtin_uaddll_overflow], [ ], [ ])
51 # dietlibc doesn't have st.st_mtim struct member
52 AC_CHECK_MEMBERS([struct stat.st_mtim], [], [], [#include <sys/stat.h>])
54 # musl 1.0 and bionic 4.4 don't have strndupa
55 AC_CHECK_DECLS_ONCE([strndupa])
57 # RHEL 5 and older do not have be32toh
58 AC_CHECK_DECLS_ONCE([be32toh])
60 # Check kernel headers
61 AC_CHECK_HEADERS_ONCE([linux/module.h])
63 AC_MSG_CHECKING([whether _Static_assert() is supported])
65 [AC_LANG_SOURCE([[_Static_assert(1, "Test");]])],
66 [AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define if _Static_assert() is available])
67 AC_MSG_RESULT([yes])],
68 [AC_MSG_RESULT([no])])
70 AC_MSG_CHECKING([whether _Noreturn is supported])
72 [AC_LANG_SOURCE([[_Noreturn int foo(void) { exit(0); }]])],
73 [AC_DEFINE([HAVE_NORETURN], [1], [Define if _Noreturn is available])
74 AC_MSG_RESULT([yes])],
75 [AC_MSG_RESULT([no])])
78 #####################################################################
80 #####################################################################
82 AC_ARG_WITH([rootlibdir],
83 AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]),
84 [], [with_rootlibdir=$libdir])
85 AC_SUBST([rootlibdir], [$with_rootlibdir])
88 AS_HELP_STRING([--with-xz], [handle Xz-compressed modules @<:@default=disabled@:>@]),
90 AS_IF([test "x$with_xz" != "xno"], [
91 PKG_CHECK_MODULES([liblzma], [liblzma >= 4.99])
92 AC_DEFINE([ENABLE_XZ], [1], [Enable Xz for modules.])
94 AC_MSG_NOTICE([Xz support not requested])
96 CC_FEATURE_APPEND([with_features], [with_xz], [XZ])
99 AS_HELP_STRING([--with-zlib], [handle gzipped modules @<:@default=disabled@:>@]),
101 AS_IF([test "x$with_zlib" != "xno"], [
102 PKG_CHECK_MODULES([zlib], [zlib])
103 AC_DEFINE([ENABLE_ZLIB], [1], [Enable zlib for modules.])
105 AC_MSG_NOTICE([zlib support not requested])
107 CC_FEATURE_APPEND([with_features], [with_zlib], [ZLIB])
109 AC_ARG_WITH([openssl],
110 AS_HELP_STRING([--with-openssl], [handle PKCS7 signatures @<:@default=disabled@:>@]),
111 [], [with_openssl=no])
112 AS_IF([test "x$with_openssl" != "xno"], [
113 PKG_CHECK_MODULES([libcrypto], [libcrypto >= 1.1.0])
114 AC_DEFINE([ENABLE_OPENSSL], [1], [Enable openssl for modinfo.])
116 AC_MSG_NOTICE([openssl support not requested])
118 CC_FEATURE_APPEND([with_features], [with_openssl], [LIBCRYPTO])
120 AC_ARG_WITH([bashcompletiondir],
121 AS_HELP_STRING([--with-bashcompletiondir=DIR], [Bash completions directory]),
123 [AS_IF([$($PKG_CONFIG --exists bash-completion)], [
124 with_bashcompletiondir=$($PKG_CONFIG --variable=completionsdir bash-completion)
126 with_bashcompletiondir=${datadir}/bash-completion/completions
128 AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])
130 #####################################################################
132 #####################################################################
134 AC_ARG_ENABLE([experimental],
135 AS_HELP_STRING([--enable-experimental], [enable experimental tools and features. Do not enable it unless you know what you are doing. @<:@default=disabled@:>@]),
136 [], enable_experimental=no)
137 AM_CONDITIONAL([BUILD_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
138 AS_IF([test "x$enable_experimental" = "xyes"], [
139 AC_DEFINE(ENABLE_EXPERIMENTAL, [1], [Experimental features.])
141 CC_FEATURE_APPEND([with_features], [enable_experimental], [EXPERIMENTAL])
143 AC_ARG_ENABLE([tools],
144 AS_HELP_STRING([--disable-tools], [disable building tools that provide same functionality as module-init-tools @<:@default=enabled@:>@]),
145 [], enable_tools=yes)
146 AM_CONDITIONAL([BUILD_TOOLS], [test "x$enable_tools" = "xyes"])
148 AC_ARG_ENABLE([manpages],
149 AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
150 [], enable_manpages=yes)
151 AM_CONDITIONAL([BUILD_MANPAGES], [test "x$enable_manpages" = "xyes"])
153 AC_ARG_ENABLE([test-modules],
154 AS_HELP_STRING([--disable-test-modules], [disable building test modules during make check: cached modules will be used @<:@default=enabled@:>@]),
155 [], enable_test_modules=yes)
156 AM_CONDITIONAL([BUILD_MODULES], [test "x$enable_test_modules" = "xyes"])
158 AC_ARG_ENABLE([logging],
159 AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]),
160 [], enable_logging=yes)
161 AS_IF([test "x$enable_logging" = "xyes"], [
162 AC_DEFINE(ENABLE_LOGGING, [1], [System logging.])
165 AC_ARG_ENABLE([debug],
166 AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
167 [], [enable_debug=no])
168 AS_IF([test "x$enable_debug" = "xyes"], [
169 AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
172 AC_ARG_ENABLE([python],
173 AS_HELP_STRING([--enable-python], [enable Python libkmod bindings @<:@default=disabled@:>@]),
174 [], [enable_python=no])
175 AS_IF([test "x$enable_python" = "xyes"], [
176 AM_PATH_PYTHON(,,[:])
177 AC_PATH_PROG([CYTHON], [cython], [:])
179 PKG_CHECK_MODULES([PYTHON], [python-${PYTHON_VERSION}],
181 [PKG_CHECK_MODULES([PYTHON], [python],
185 AS_IF([test "x$have_python" = xno],
186 [AC_MSG_ERROR([*** python support requested but libraries not found])])
188 AM_CONDITIONAL([BUILD_PYTHON], [test "x$enable_python" = "xyes"])
190 AC_ARG_ENABLE([coverage],
191 AS_HELP_STRING([--enable-coverage], [enable test coverage @<:@default=disabled@:>@]),
192 [], [enable_coverage=no])
193 AS_IF([test "x$enable_coverage" = "xyes"], [
194 AC_CHECK_PROG(have_coverage, [lcov], [yes], [no])
195 AS_IF([test "x$have_coverage" = xno],[
196 AC_MSG_ERROR([*** lcov support requested but the program was not found])
198 lcov_version_major="`lcov --version | cut -d ' ' -f 4 | cut -d '.' -f 1`"
199 lcov_version_minor="`lcov --version | cut -d ' ' -f 4 | cut -d '.' -f 2`"
200 AS_IF([test "$lcov_version_major" -lt 1 -o "$lcov_version_minor" -lt 10], [
201 AC_MSG_ERROR([*** lcov version is too old. 1.10 required])
204 CC_CHECK_FLAGS_APPEND([with_coverage_cflags], [CFLAGS], [\
210 AM_CONDITIONAL([ENABLE_COVERAGE], [test "x$enable_coverage" = "xyes"])
212 m4_ifdef([GTK_DOC_CHECK], [
213 GTK_DOC_CHECK([1.14],[--flavour no-tmpl-flat])
215 AM_CONDITIONAL([ENABLE_GTK_DOC], false)])
218 #####################################################################
219 # Default CFLAGS and LDFLAGS
220 #####################################################################
222 CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
224 -DANOTHER_BRICK_IN_THE \
235 -Wmissing-include-dirs \
236 -Wformat-nonliteral \
237 -Wold-style-definition \
240 -Wdeclaration-after-statement \
242 -Wmissing-prototypes \
243 -Wstrict-prototypes \
245 -Wmissing-declarations \
249 -Wstrict-aliasing=3 \
252 -Wno-overlength-strings \
253 -Wno-unused-parameter \
254 -Wno-missing-field-initializers \
261 -fdiagnostics-show-option \
262 -fvisibility=hidden \
263 -ffunction-sections \
265 AC_SUBST([OUR_CFLAGS], "$with_cflags $with_coverage_cflags")
268 CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [ \
272 AC_SUBST([OUR_LDFLAGS], $with_ldflags)
274 AC_DEFINE_UNQUOTED(KMOD_FEATURES, ["$with_features"], [Features in this build])
276 #####################################################################
277 # Generate files from *.in
278 #####################################################################
283 libkmod/docs/Makefile
284 libkmod/docs/version.xml
288 #####################################################################
296 sysconfdir: ${sysconfdir}
298 rootlibdir: ${rootlibdir}
299 includedir: ${includedir}
301 Bash completions dir: ${with_bashcompletiondir}
304 cflags: ${with_cflags} ${CFLAGS}
305 ldflags: ${with_ldflags} ${LDFLAGS}
307 experimental features: ${enable_experimental}
308 tools: ${enable_tools}
309 python bindings: ${enable_python}
310 logging: ${enable_logging}
311 compression: xz=${with_xz} zlib=${with_zlib}
312 debug: ${enable_debug}
313 coverage: ${enable_coverage}
314 doc: ${enable_gtk_doc}
315 man: ${enable_manpages}
316 test-modules: ${enable_test_modules}
318 features: ${with_features}