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])
21 AS_IF([test "x$enable_static" = "xyes"], [AC_MSG_ERROR([--enable-static is not supported by kmod])])
22 AS_IF([test "x$enable_largefile" = "xno"], [AC_MSG_ERROR([--disable-largefile is not supported by kmod])])
24 #####################################################################
25 # Program checks and configurations
26 #####################################################################
32 AC_PATH_PROG([XSLTPROC], [xsltproc])
33 AC_PATH_PROG([MKOSI], [mkosi])
37 #####################################################################
38 # Function and structure checks
39 #####################################################################
41 AC_CHECK_FUNCS_ONCE(__xstat)
42 AC_CHECK_FUNCS_ONCE([__secure_getenv secure_getenv])
43 AC_CHECK_FUNCS_ONCE([finit_module])
45 CC_CHECK_FUNC_BUILTIN([__builtin_clz])
46 CC_CHECK_FUNC_BUILTIN([__builtin_types_compatible_p])
47 CC_CHECK_FUNC_BUILTIN([__builtin_uaddl_overflow], [ ], [ ])
48 CC_CHECK_FUNC_BUILTIN([__builtin_uaddll_overflow], [ ], [ ])
50 # dietlibc doesn't have st.st_mtim struct member
51 AC_CHECK_MEMBERS([struct stat.st_mtim], [], [], [#include <sys/stat.h>])
53 # musl 1.0 and bionic 4.4 don't have strndupa
54 AC_CHECK_DECLS_ONCE([strndupa])
56 # RHEL 5 and older do not have be32toh
57 AC_CHECK_DECLS_ONCE([be32toh])
59 # Check kernel headers
60 AC_CHECK_HEADERS_ONCE([linux/module.h])
62 AC_MSG_CHECKING([whether _Static_assert() is supported])
64 [AC_LANG_SOURCE([[_Static_assert(1, "Test");]])],
65 [AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define if _Static_assert() is available])
66 AC_MSG_RESULT([yes])],
67 [AC_MSG_RESULT([no])])
69 AC_MSG_CHECKING([whether _Noreturn is supported])
71 [AC_LANG_SOURCE([[_Noreturn int foo(void) { exit(0); }]])],
72 [AC_DEFINE([HAVE_NORETURN], [1], [Define if _Noreturn is available])
73 AC_MSG_RESULT([yes])],
74 [AC_MSG_RESULT([no])])
77 #####################################################################
79 #####################################################################
81 AC_ARG_WITH([rootlibdir],
82 AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]),
83 [], [with_rootlibdir=$libdir])
84 AC_SUBST([rootlibdir], [$with_rootlibdir])
87 AS_HELP_STRING([--with-zstd], [handle Zstandard-compressed modules @<:@default=disabled@:>@]),
89 AS_IF([test "x$with_zstd" != "xno"], [
90 PKG_CHECK_MODULES([libzstd], [libzstd >= 1.4.4])
91 AC_DEFINE([ENABLE_ZSTD], [1], [Enable Zstandard for modules.])
93 AC_MSG_NOTICE([Zstandard support not requested])
95 CC_FEATURE_APPEND([with_features], [with_zstd], [ZSTD])
98 AS_HELP_STRING([--with-xz], [handle Xz-compressed modules @<:@default=disabled@:>@]),
100 AS_IF([test "x$with_xz" != "xno"], [
101 PKG_CHECK_MODULES([liblzma], [liblzma >= 4.99])
102 AC_DEFINE([ENABLE_XZ], [1], [Enable Xz for modules.])
104 AC_MSG_NOTICE([Xz support not requested])
106 CC_FEATURE_APPEND([with_features], [with_xz], [XZ])
109 AS_HELP_STRING([--with-zlib], [handle gzipped modules @<:@default=disabled@:>@]),
111 AS_IF([test "x$with_zlib" != "xno"], [
112 PKG_CHECK_MODULES([zlib], [zlib])
113 AC_DEFINE([ENABLE_ZLIB], [1], [Enable zlib for modules.])
115 AC_MSG_NOTICE([zlib support not requested])
117 CC_FEATURE_APPEND([with_features], [with_zlib], [ZLIB])
119 AC_ARG_WITH([openssl],
120 AS_HELP_STRING([--with-openssl], [handle PKCS7 signatures @<:@default=disabled@:>@]),
121 [], [with_openssl=no])
122 AS_IF([test "x$with_openssl" != "xno"], [
123 PKG_CHECK_MODULES([libcrypto], [libcrypto >= 1.1.0])
124 AC_DEFINE([ENABLE_OPENSSL], [1], [Enable openssl for modinfo.])
126 AC_MSG_NOTICE([openssl support not requested])
128 CC_FEATURE_APPEND([with_features], [with_openssl], [LIBCRYPTO])
130 AC_ARG_WITH([bashcompletiondir],
131 AS_HELP_STRING([--with-bashcompletiondir=DIR], [Bash completions directory]),
133 [AS_IF([$($PKG_CONFIG --exists bash-completion)], [
134 with_bashcompletiondir=$($PKG_CONFIG --variable=completionsdir bash-completion)
136 with_bashcompletiondir=${datadir}/bash-completion/completions
138 AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])
140 #####################################################################
142 #####################################################################
144 AC_ARG_ENABLE([experimental],
145 AS_HELP_STRING([--enable-experimental], [enable experimental tools and features. Do not enable it unless you know what you are doing. @<:@default=disabled@:>@]),
146 [], enable_experimental=no)
147 AM_CONDITIONAL([BUILD_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
148 AS_IF([test "x$enable_experimental" = "xyes"], [
149 AC_DEFINE(ENABLE_EXPERIMENTAL, [1], [Experimental features.])
151 CC_FEATURE_APPEND([with_features], [enable_experimental], [EXPERIMENTAL])
153 AC_ARG_ENABLE([tools],
154 AS_HELP_STRING([--disable-tools], [disable building tools that provide same functionality as module-init-tools @<:@default=enabled@:>@]),
155 [], enable_tools=yes)
156 AM_CONDITIONAL([BUILD_TOOLS], [test "x$enable_tools" = "xyes"])
158 AC_ARG_ENABLE([manpages],
159 AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
160 [], enable_manpages=yes)
161 AM_CONDITIONAL([BUILD_MANPAGES], [test "x$enable_manpages" = "xyes"])
163 AC_ARG_ENABLE([test-modules],
164 AS_HELP_STRING([--disable-test-modules], [disable building test modules during make check: cached modules will be used @<:@default=enabled@:>@]),
165 [], enable_test_modules=yes)
166 AM_CONDITIONAL([BUILD_MODULES], [test "x$enable_test_modules" = "xyes"])
168 AC_ARG_ENABLE([logging],
169 AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]),
170 [], enable_logging=yes)
171 AS_IF([test "x$enable_logging" = "xyes"], [
172 AC_DEFINE(ENABLE_LOGGING, [1], [System logging.])
175 AC_ARG_ENABLE([debug],
176 AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
177 [], [enable_debug=no])
178 AS_IF([test "x$enable_debug" = "xyes"], [
179 AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
182 AC_ARG_ENABLE([python],
183 AS_HELP_STRING([--enable-python], [enable Python libkmod bindings @<:@default=disabled@:>@]),
184 [], [enable_python=no])
185 AS_IF([test "x$enable_python" = "xyes"], [
186 AM_PATH_PYTHON(,,[:])
187 AC_PATH_PROG([CYTHON], [cython], [:])
189 PKG_CHECK_MODULES([PYTHON], [python-${PYTHON_VERSION}],
191 [PKG_CHECK_MODULES([PYTHON], [python],
195 AS_IF([test "x$have_python" = xno],
196 [AC_MSG_ERROR([*** python support requested but libraries not found])])
198 AM_CONDITIONAL([BUILD_PYTHON], [test "x$enable_python" = "xyes"])
200 AC_ARG_ENABLE([coverage],
201 AS_HELP_STRING([--enable-coverage], [enable test coverage @<:@default=disabled@:>@]),
202 [], [enable_coverage=no])
203 AS_IF([test "x$enable_coverage" = "xyes"], [
204 AC_CHECK_PROG(have_coverage, [lcov], [yes], [no])
205 AS_IF([test "x$have_coverage" = xno],[
206 AC_MSG_ERROR([*** lcov support requested but the program was not found])
208 lcov_version_major="`lcov --version | cut -d ' ' -f 4 | cut -d '.' -f 1`"
209 lcov_version_minor="`lcov --version | cut -d ' ' -f 4 | cut -d '.' -f 2`"
210 AS_IF([test "$lcov_version_major" -lt 1 -o "$lcov_version_minor" -lt 10], [
211 AC_MSG_ERROR([*** lcov version is too old. 1.10 required])
214 CC_CHECK_FLAGS_APPEND([with_coverage_cflags], [CFLAGS], [\
220 AM_CONDITIONAL([ENABLE_COVERAGE], [test "x$enable_coverage" = "xyes"])
222 m4_ifdef([GTK_DOC_CHECK], [
223 GTK_DOC_CHECK([1.14],[--flavour no-tmpl-flat])
225 AM_CONDITIONAL([ENABLE_GTK_DOC], false)])
227 # Some tests are skipped when sysconfdir != /etc.
228 AM_CONDITIONAL([KMOD_SYSCONFDIR_NOT_ETC], [test "x$sysconfdir" != "x/etc"])
230 #####################################################################
231 # Default CFLAGS and LDFLAGS
232 #####################################################################
234 CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
236 -DANOTHER_BRICK_IN_THE \
247 -Wmissing-include-dirs \
248 -Wformat-nonliteral \
249 -Wold-style-definition \
252 -Wdeclaration-after-statement \
254 -Wmissing-prototypes \
255 -Wstrict-prototypes \
257 -Wmissing-declarations \
261 -Wstrict-aliasing=3 \
264 -Wno-overlength-strings \
265 -Wno-unused-parameter \
266 -Wno-missing-field-initializers \
273 -fdiagnostics-show-option \
274 -fvisibility=hidden \
275 -ffunction-sections \
277 AC_SUBST([OUR_CFLAGS], "$with_cflags $with_coverage_cflags")
280 CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [ \
284 AC_SUBST([OUR_LDFLAGS], $with_ldflags)
286 AC_DEFINE_UNQUOTED(KMOD_FEATURES, ["$with_features"], [Features in this build])
288 #####################################################################
289 # Generate files from *.in
290 #####################################################################
295 libkmod/docs/Makefile
296 libkmod/docs/version.xml
300 #####################################################################
308 sysconfdir: ${sysconfdir}
310 rootlibdir: ${rootlibdir}
311 includedir: ${includedir}
313 Bash completions dir: ${with_bashcompletiondir}
316 cflags: ${with_cflags} ${CFLAGS}
317 ldflags: ${with_ldflags} ${LDFLAGS}
319 experimental features: ${enable_experimental}
320 tools: ${enable_tools}
321 python bindings: ${enable_python}
322 logging: ${enable_logging}
323 compression: zstd=${with_zstd} xz=${with_xz} zlib=${with_zlib}
324 debug: ${enable_debug}
325 coverage: ${enable_coverage}
326 doc: ${enable_gtk_doc}
327 man: ${enable_manpages}
328 test-modules: ${enable_test_modules}
330 features: ${with_features}