[thirdparty/kmod.git] / configure.ac

AC_PREREQ(2.64)
AC_INIT([kmod],
	[31],
	[linux-modules@vger.kernel.org],
	[kmod],
	[http://git.kernel.org/?p=utils/kernel/kmod/kmod.git])

AC_CONFIG_SRCDIR([libkmod/libkmod.c])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS(config.h)
AC_CONFIG_AUX_DIR([build-aux])

AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
AC_PREFIX_DEFAULT([/usr])
AM_MAINTAINER_MODE([enable])
AM_INIT_AUTOMAKE([check-news foreign 1.11 silent-rules tar-pax no-dist-gzip dist-xz subdir-objects color-tests parallel-tests])
AM_SILENT_RULES([yes])
LT_INIT([disable-static pic-only])

AS_IF([test "x$enable_static" = "xyes"], [AC_MSG_ERROR([--enable-static is not supported by kmod])])
AS_IF([test "x$enable_largefile" = "xno"], [AC_MSG_ERROR([--disable-largefile is not supported by kmod])])

#####################################################################
# Program checks and configurations
#####################################################################

AC_PROG_SED
AC_PROG_MKDIR_P
AC_PROG_LN_S
PKG_PROG_PKG_CONFIG
AC_PATH_PROG([XSLTPROC], [xsltproc])
AC_PATH_PROG([MKOSI], [mkosi])

AC_PROG_CC_C99

#####################################################################
# Function and structure checks
#####################################################################

AC_CHECK_FUNCS_ONCE(__xstat)
AC_CHECK_FUNCS_ONCE([__secure_getenv secure_getenv])
AC_CHECK_FUNCS_ONCE([finit_module])

CC_CHECK_FUNC_BUILTIN([__builtin_clz])
CC_CHECK_FUNC_BUILTIN([__builtin_types_compatible_p])
CC_CHECK_FUNC_BUILTIN([__builtin_uaddl_overflow], [ ], [ ])
CC_CHECK_FUNC_BUILTIN([__builtin_uaddll_overflow], [ ], [ ])

# dietlibc doesn't have st.st_mtim struct member
AC_CHECK_MEMBERS([struct stat.st_mtim], [], [], [#include <sys/stat.h>])

# musl 1.0 and bionic 4.4 don't have strndupa
AC_CHECK_DECLS_ONCE([strndupa])

# RHEL 5 and older do not have be32toh
AC_CHECK_DECLS_ONCE([be32toh])

# Check kernel headers
AC_CHECK_HEADERS_ONCE([linux/module.h])

AC_MSG_CHECKING([whether _Static_assert() is supported])
AC_COMPILE_IFELSE(
	[AC_LANG_SOURCE([[_Static_assert(1, "Test");]])],
        [AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define if _Static_assert() is available])
	 AC_MSG_RESULT([yes])],
	[AC_MSG_RESULT([no])])

AC_MSG_CHECKING([whether _Noreturn is supported])
AC_COMPILE_IFELSE(
	[AC_LANG_SOURCE([[#include <stdlib.h>
	_Noreturn int foo(void) { exit(0); }]])],
        [AC_DEFINE([HAVE_NORETURN], [1], [Define if _Noreturn is available])
	 AC_MSG_RESULT([yes])],
	[AC_MSG_RESULT([no])])


#####################################################################
# --with-
#####################################################################

AC_ARG_WITH([distconfdir], AS_HELP_STRING([--with-distconfdir=DIR], [directory to search for distribution configuration files]),
        [], [with_distconfdir='${prefix}/lib'])
AC_SUBST([distconfdir], [$with_distconfdir])

AC_ARG_WITH([rootlibdir],
        AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]),
        [], [with_rootlibdir=$libdir])
AC_SUBST([rootlibdir], [$with_rootlibdir])

AC_ARG_WITH([zstd],
	AS_HELP_STRING([--with-zstd], [handle Zstandard-compressed modules @<:@default=disabled@:>@]),
	[], [with_zstd=no])
AS_IF([test "x$with_zstd" != "xno"], [
	PKG_CHECK_MODULES([libzstd], [libzstd >= 1.4.4], [LIBS="$LIBS $libzstd_LIBS"])
	AC_DEFINE([ENABLE_ZSTD], [1], [Enable Zstandard for modules.])
], [
	AC_MSG_NOTICE([Zstandard support not requested])
])
CC_FEATURE_APPEND([with_features], [with_zstd], [ZSTD])

AC_ARG_WITH([xz],
	AS_HELP_STRING([--with-xz], [handle Xz-compressed modules @<:@default=disabled@:>@]),
	[], [with_xz=no])
AS_IF([test "x$with_xz" != "xno"], [
	PKG_CHECK_MODULES([liblzma], [liblzma >= 4.99], [LIBS="$LIBS $liblzma_LIBS"])
	AC_DEFINE([ENABLE_XZ], [1], [Enable Xz for modules.])
], [
	AC_MSG_NOTICE([Xz support not requested])
])
CC_FEATURE_APPEND([with_features], [with_xz], [XZ])

AC_ARG_WITH([zlib],
	AS_HELP_STRING([--with-zlib], [handle gzipped modules @<:@default=disabled@:>@]),
	[], [with_zlib=no])
AS_IF([test "x$with_zlib" != "xno"], [
	PKG_CHECK_MODULES([zlib], [zlib], [LIBS="$LIBS $zlib_LIBS"])
	AC_DEFINE([ENABLE_ZLIB], [1], [Enable zlib for modules.])
], [
	AC_MSG_NOTICE([zlib support not requested])
])
CC_FEATURE_APPEND([with_features], [with_zlib], [ZLIB])

AC_ARG_WITH([openssl],
	AS_HELP_STRING([--with-openssl], [handle PKCS7 signatures @<:@default=disabled@:>@]),
	[], [with_openssl=no])
AS_IF([test "x$with_openssl" != "xno"], [
	PKG_CHECK_MODULES([libcrypto], [libcrypto >= 1.1.0], [LIBS="$LIBS $libcrypto_LIBS"])
	AC_DEFINE([ENABLE_OPENSSL], [1], [Enable openssl for modinfo.])
	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <openssl/ssl.h>
		int nid = NID_sm3;]])], [
		AC_MSG_NOTICE([openssl supports sm3])
	], [
		AC_MSG_NOTICE([openssl sm3 support not detected])
		CPPFLAGS="$CPPFLAGS -DOPENSSL_NO_SM3"
	])
], [
	AC_MSG_NOTICE([openssl support not requested])
])
CC_FEATURE_APPEND([with_features], [with_openssl], [LIBCRYPTO])

AC_ARG_WITH([bashcompletiondir],
	AS_HELP_STRING([--with-bashcompletiondir=DIR], [Bash completions directory]),
	[],
	[AS_IF([$($PKG_CONFIG --exists bash-completion)], [
		with_bashcompletiondir=$($PKG_CONFIG --variable=completionsdir bash-completion)
	] , [
		with_bashcompletiondir=${datadir}/bash-completion/completions
	])])
AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])

#####################################################################
# --enable-
#####################################################################

AC_ARG_ENABLE([experimental],
        AS_HELP_STRING([--enable-experimental], [enable experimental tools and features. Do not enable it unless you know what you are doing. @<:@default=disabled@:>@]),
        [], enable_experimental=no)
AM_CONDITIONAL([BUILD_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
AS_IF([test "x$enable_experimental" = "xyes"], [
	AC_DEFINE(ENABLE_EXPERIMENTAL, [1], [Experimental features.])
])
CC_FEATURE_APPEND([with_features], [enable_experimental], [EXPERIMENTAL])

AC_ARG_ENABLE([tools],
        AS_HELP_STRING([--disable-tools], [disable building tools that provide same functionality as module-init-tools @<:@default=enabled@:>@]),
	[], enable_tools=yes)
AM_CONDITIONAL([BUILD_TOOLS], [test "x$enable_tools" = "xyes"])

AC_ARG_ENABLE([manpages],
        AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
	[], enable_manpages=yes)
AM_CONDITIONAL([BUILD_MANPAGES], [test "x$enable_manpages" = "xyes"])

AC_ARG_ENABLE([test-modules],
        AS_HELP_STRING([--disable-test-modules], [disable building test modules during make check: cached modules will be used @<:@default=enabled@:>@]),
	[], enable_test_modules=yes)
AM_CONDITIONAL([BUILD_MODULES], [test "x$enable_test_modules" = "xyes"])

AC_ARG_ENABLE([logging],
	AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]),
	[], enable_logging=yes)
AS_IF([test "x$enable_logging" = "xyes"], [
	AC_DEFINE(ENABLE_LOGGING, [1], [System logging.])
])

AC_ARG_ENABLE([debug],
	AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
	[], [enable_debug=no])
AS_IF([test "x$enable_debug" = "xyes"], [
	AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
])

AC_ARG_ENABLE([python],
	AS_HELP_STRING([--enable-python], [enable Python libkmod bindings @<:@default=disabled@:>@]),
	[], [enable_python=no])
AS_IF([test "x$enable_python" = "xyes"], [
	AM_PATH_PYTHON(,,[:])
	AC_PATH_PROG([CYTHON], [cython], [:])

	PKG_CHECK_MODULES([PYTHON], [python-${PYTHON_VERSION}],
			  [have_python=yes],
			  [PKG_CHECK_MODULES([PYTHON], [python],
					     [have_python=yes],
					     [have_python=no])])

	AS_IF([test "x$have_python" = xno],
	      [AC_MSG_ERROR([*** python support requested but libraries not found])])
])
AM_CONDITIONAL([BUILD_PYTHON], [test "x$enable_python" = "xyes"])

AC_ARG_ENABLE([coverage],
	AS_HELP_STRING([--enable-coverage], [enable test coverage @<:@default=disabled@:>@]),
	[], [enable_coverage=no])
AS_IF([test "x$enable_coverage" = "xyes"], [
	AC_CHECK_PROG(have_coverage, [lcov], [yes], [no])
	AS_IF([test "x$have_coverage" = xno],[
		AC_MSG_ERROR([*** lcov support requested but the program was not found])
	], [
		lcov_version_major="`lcov --version | cut -d ' ' -f 4 | cut -d '.' -f 1`"
		lcov_version_minor="`lcov --version | cut -d ' ' -f 4 | cut -d '.' -f 2`"
		AS_IF([test "$lcov_version_major" -lt 1 -o "$lcov_version_minor" -lt 10], [
			AC_MSG_ERROR([*** lcov version is too old. 1.10 required])
		], [
			have_coverage=yes
                        CC_CHECK_FLAGS_APPEND([with_coverage_cflags], [CFLAGS], [\
                        -fprofile-arcs \
                        -ftest-coverage])
		])
        ])
])
AM_CONDITIONAL([ENABLE_COVERAGE], [test "x$enable_coverage" = "xyes"])

m4_ifdef([GTK_DOC_CHECK], [
GTK_DOC_CHECK([1.14],[--flavour no-tmpl-flat])
], [
AM_CONDITIONAL([ENABLE_GTK_DOC], false)])

#####################################################################
# Default CFLAGS and LDFLAGS
#####################################################################

CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
		       -pipe \
		       -DANOTHER_BRICK_IN_THE \
		       -Wall \
		       -W \
		       -Wextra \
		       -Wno-inline \
		       -Wvla \
		       -Wundef \
		       -Wformat=2 \
		       -Wlogical-op \
		       -Wsign-compare \
		       -Wformat-security \
		       -Wmissing-include-dirs \
		       -Wformat-nonliteral \
		       -Wold-style-definition \
		       -Wpointer-arith \
		       -Winit-self \
		       -Wdeclaration-after-statement \
		       -Wfloat-equal \
		       -Wmissing-prototypes \
		       -Wstrict-prototypes \
		       -Wredundant-decls \
		       -Wmissing-declarations \
		       -Wmissing-noreturn \
		       -Wshadow \
		       -Wendif-labels \
		       -Wstrict-aliasing=3 \
		       -Wwrite-strings \
		       -Wno-long-long \
		       -Wno-overlength-strings \
		       -Wno-unused-parameter \
		       -Wno-missing-field-initializers \
		       -Wno-unused-result \
		       -Wnested-externs \
		       -Wchar-subscripts \
		       -Wtype-limits \
		       -Wuninitialized \
		       -fno-common \
		       -fdiagnostics-show-option \
		       -fvisibility=hidden \
		       -ffunction-sections \
		       -fdata-sections])
AC_SUBST([OUR_CFLAGS], "$with_cflags $with_coverage_cflags")


CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [ \
		       -Wl,--as-needed \
		       -Wl,--no-undefined \
		       -Wl,--gc-sections])
AC_SUBST([OUR_LDFLAGS], $with_ldflags)

AC_DEFINE_UNQUOTED(KMOD_FEATURES, ["$with_features"], [Features in this build])

#####################################################################
# Generate files from *.in
#####################################################################

AC_CONFIG_FILES([
	Makefile
	man/Makefile
	libkmod/docs/Makefile
	libkmod/docs/version.xml
	libkmod/libkmod.pc
	libkmod/python/kmod/version.py
])


#####################################################################

AC_OUTPUT
AC_MSG_RESULT([
	$PACKAGE $VERSION
	=======

	prefix:			${prefix}
	sysconfdir:		${sysconfdir}
	distconfdir:		${distconfdir}
	libdir:			${libdir}
	rootlibdir:		${rootlibdir}
	includedir:		${includedir}
	bindir:			${bindir}
	Bash completions dir:   ${with_bashcompletiondir}

	compiler:		${CC}
	cflags:			${with_cflags} ${CFLAGS}
	ldflags:		${with_ldflags} ${LDFLAGS}

	experimental features:  ${enable_experimental}
	tools:			${enable_tools}
	python bindings:	${enable_python}
	logging:		${enable_logging}
	compression:		zstd=${with_zstd}  xz=${with_xz}  zlib=${with_zlib}
	debug:			${enable_debug}
	coverage:		${enable_coverage}
	doc:			${enable_gtk_doc}
	man:			${enable_manpages}
	test-modules:           ${enable_test_modules}

	features:               ${with_features}
])
Commit	Line	Data
481ad145	1	AC_PREREQ(2.64)
cb48c9b2	2	AC_INIT([kmod],
aff617ea	3	[31],
e17cc3af	4	[linux-modules@vger.kernel.org],
cb48c9b2	5	[kmod],
bb05bc8a	6	[http://git.kernel.org/?p=utils/kernel/kmod/kmod.git])
586fc304 LDM	7
586fc304 LDM	8	AC_CONFIG_SRCDIR([libkmod/libkmod.c])
481ad145 LDM	9	AC_CONFIG_MACRO_DIR([m4])
481ad145 LDM	10	AC_CONFIG_HEADERS(config.h)
ecd40ee4	11	AC_CONFIG_AUX_DIR([build-aux])
481ad145	12
ecd40ee4 LDM	13	AC_USE_SYSTEM_EXTENSIONS
ecd40ee4 LDM	14	AC_SYS_LARGEFILE
ecd40ee4	15	AC_PREFIX_DEFAULT([/usr])
f5cc26c7	16	AM_MAINTAINER_MODE([enable])
481ad145 LDM	17	AM_INIT_AUTOMAKE([check-news foreign 1.11 silent-rules tar-pax no-dist-gzip dist-xz subdir-objects color-tests parallel-tests])
	18	AM_SILENT_RULES([yes])
	19	LT_INIT([disable-static pic-only])
ecd40ee4	20
fae77516 LDM	21	AS_IF([test "x$enable_static" = "xyes"], [AC_MSG_ERROR([--enable-static is not supported by kmod])])
fae77516 LDM	22	AS_IF([test "x$enable_largefile" = "xno"], [AC_MSG_ERROR([--disable-largefile is not supported by kmod])])
b7016153	23
3ef7208e LDM	24	#####################################################################
	25	# Program checks and configurations
	26	#####################################################################
	27
9faa7b37 KS	28	AC_PROG_SED
9faa7b37 KS	29	AC_PROG_MKDIR_P
481ad145	30	AC_PROG_LN_S
7b3a74fc	31	PKG_PROG_PKG_CONFIG
bccb4b25	32	AC_PATH_PROG([XSLTPROC], [xsltproc])
8d9c7e37	33	AC_PATH_PROG([MKOSI], [mkosi])
3d8226ed	34
481ad145	35	AC_PROG_CC_C99
3ef7208e LDM	36
	37	#####################################################################
	38	# Function and structure checks
	39	#####################################################################
	40
d005aeb7	41	AC_CHECK_FUNCS_ONCE(__xstat)
41a51c2a	42	AC_CHECK_FUNCS_ONCE([__secure_getenv secure_getenv])
55112d19	43	AC_CHECK_FUNCS_ONCE([finit_module])
d005aeb7	44
e6307200 LDM	45	CC_CHECK_FUNC_BUILTIN([__builtin_clz])
e6307200 LDM	46	CC_CHECK_FUNC_BUILTIN([__builtin_types_compatible_p])
aac5f451 LDM	47	CC_CHECK_FUNC_BUILTIN([__builtin_uaddl_overflow], [ ], [ ])
aac5f451 LDM	48	CC_CHECK_FUNC_BUILTIN([__builtin_uaddll_overflow], [ ], [ ])
e6307200	49
3ef7208e LDM	50	# dietlibc doesn't have st.st_mtim struct member
	51	AC_CHECK_MEMBERS([struct stat.st_mtim], [], [], [#include <sys/stat.h>])
	52
04c0956e LDM	53	# musl 1.0 and bionic 4.4 don't have strndupa
	54	AC_CHECK_DECLS_ONCE([strndupa])
	55
9b34db1a RM	56	# RHEL 5 and older do not have be32toh
	57	AC_CHECK_DECLS_ONCE([be32toh])
	58
144d1826 KC	59	# Check kernel headers
	60	AC_CHECK_HEADERS_ONCE([linux/module.h])
	61
dc8ed09f TP	62	AC_MSG_CHECKING([whether _Static_assert() is supported])
	63	AC_COMPILE_IFELSE(
	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])])
3ef7208e	68
16a62c7a LDM	69	AC_MSG_CHECKING([whether _Noreturn is supported])
16a62c7a LDM	70	AC_COMPILE_IFELSE(
035e6667 FW	71	[AC_LANG_SOURCE([[#include <stdlib.h>
035e6667 FW	72	_Noreturn int foo(void) { exit(0); }]])],
16a62c7a LDM	73	[AC_DEFINE([HAVE_NORETURN], [1], [Define if _Noreturn is available])
	74	AC_MSG_RESULT([yes])],
	75	[AC_MSG_RESULT([no])])
	76
	77
3ef7208e LDM	78	#####################################################################
	79	# --with-
	80	#####################################################################
	81
8463809f MS	82	AC_ARG_WITH([distconfdir], AS_HELP_STRING([--with-distconfdir=DIR], [directory to search for distribution configuration files]),
	83	[], [with_distconfdir='${prefix}/lib'])
	84	AC_SUBST([distconfdir], [$with_distconfdir])
	85
e79bf83b KS	86	AC_ARG_WITH([rootlibdir],
	87	AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]),
	88	[], [with_rootlibdir=$libdir])
	89	AC_SUBST([rootlibdir], [$with_rootlibdir])
	90
3821e197 TM	91	AC_ARG_WITH([zstd],
	92	AS_HELP_STRING([--with-zstd], [handle Zstandard-compressed modules @<:@default=disabled@:>@]),
	93	[], [with_zstd=no])
	94	AS_IF([test "x$with_zstd" != "xno"], [
3d1bd339	95	PKG_CHECK_MODULES([libzstd], [libzstd >= 1.4.4], [LIBS="$LIBS $libzstd_LIBS"])
3821e197 TM	96	AC_DEFINE([ENABLE_ZSTD], [1], [Enable Zstandard for modules.])
	97	], [
	98	AC_MSG_NOTICE([Zstandard support not requested])
	99	])
	100	CC_FEATURE_APPEND([with_features], [with_zstd], [ZSTD])
	101
b182f8fb JE	102	AC_ARG_WITH([xz],
	103	AS_HELP_STRING([--with-xz], [handle Xz-compressed modules @<:@default=disabled@:>@]),
	104	[], [with_xz=no])
	105	AS_IF([test "x$with_xz" != "xno"], [
3d1bd339	106	PKG_CHECK_MODULES([liblzma], [liblzma >= 4.99], [LIBS="$LIBS $liblzma_LIBS"])
b182f8fb JE	107	AC_DEFINE([ENABLE_XZ], [1], [Enable Xz for modules.])
	108	], [
	109	AC_MSG_NOTICE([Xz support not requested])
	110	])
4671e03e	111	CC_FEATURE_APPEND([with_features], [with_xz], [XZ])
b182f8fb	112
5a51a357 JE	113	AC_ARG_WITH([zlib],
	114	AS_HELP_STRING([--with-zlib], [handle gzipped modules @<:@default=disabled@:>@]),
	115	[], [with_zlib=no])
	116	AS_IF([test "x$with_zlib" != "xno"], [
3d1bd339	117	PKG_CHECK_MODULES([zlib], [zlib], [LIBS="$LIBS $zlib_LIBS"])
7b3a74fc	118	AC_DEFINE([ENABLE_ZLIB], [1], [Enable zlib for modules.])
cfb908bf LDM	119	], [
cfb908bf LDM	120	AC_MSG_NOTICE([zlib support not requested])
cfb908bf	121	])
4671e03e	122	CC_FEATURE_APPEND([with_features], [with_zlib], [ZLIB])
3d8226ed	123
391b4714 YK	124	AC_ARG_WITH([openssl],
	125	AS_HELP_STRING([--with-openssl], [handle PKCS7 signatures @<:@default=disabled@:>@]),
	126	[], [with_openssl=no])
	127	AS_IF([test "x$with_openssl" != "xno"], [
3d1bd339	128	PKG_CHECK_MODULES([libcrypto], [libcrypto >= 1.1.0], [LIBS="$LIBS $libcrypto_LIBS"])
391b4714	129	AC_DEFINE([ENABLE_OPENSSL], [1], [Enable openssl for modinfo.])
1bb23d7f MS	130	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <openssl/ssl.h>
	131	int nid = NID_sm3;]])], [
	132	AC_MSG_NOTICE([openssl supports sm3])
	133	], [
	134	AC_MSG_NOTICE([openssl sm3 support not detected])
	135	CPPFLAGS="$CPPFLAGS -DOPENSSL_NO_SM3"
	136	])
391b4714 YK	137	], [
	138	AC_MSG_NOTICE([openssl support not requested])
	139	])
8e266b9e	140	CC_FEATURE_APPEND([with_features], [with_openssl], [LIBCRYPTO])
391b4714	141
80cf2c8f LDM	142	AC_ARG_WITH([bashcompletiondir],
	143	AS_HELP_STRING([--with-bashcompletiondir=DIR], [Bash completions directory]),
	144	[],
	145	[AS_IF([$($PKG_CONFIG --exists bash-completion)], [
	146	with_bashcompletiondir=$($PKG_CONFIG --variable=completionsdir bash-completion)
	147	] , [
	148	with_bashcompletiondir=${datadir}/bash-completion/completions
	149	])])
	150	AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])
3ef7208e LDM	151
	152	#####################################################################
	153	# --enable-
	154	#####################################################################
	155
013e8550 LDM	156	AC_ARG_ENABLE([experimental],
	157	AS_HELP_STRING([--enable-experimental], [enable experimental tools and features. Do not enable it unless you know what you are doing. @<:@default=disabled@:>@]),
	158	[], enable_experimental=no)
	159	AM_CONDITIONAL([BUILD_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
	160	AS_IF([test "x$enable_experimental" = "xyes"], [
	161	AC_DEFINE(ENABLE_EXPERIMENTAL, [1], [Experimental features.])
	162	])
4671e03e	163	CC_FEATURE_APPEND([with_features], [enable_experimental], [EXPERIMENTAL])
013e8550	164
3ef7208e LDM	165	AC_ARG_ENABLE([tools],
	166	AS_HELP_STRING([--disable-tools], [disable building tools that provide same functionality as module-init-tools @<:@default=enabled@:>@]),
	167	[], enable_tools=yes)
	168	AM_CONDITIONAL([BUILD_TOOLS], [test "x$enable_tools" = "xyes"])
	169
8631552d CW	170	AC_ARG_ENABLE([manpages],
	171	AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
	172	[], enable_manpages=yes)
	173	AM_CONDITIONAL([BUILD_MANPAGES], [test "x$enable_manpages" = "xyes"])
	174
23603f1f LDM	175	AC_ARG_ENABLE([test-modules],
	176	AS_HELP_STRING([--disable-test-modules], [disable building test modules during make check: cached modules will be used @<:@default=enabled@:>@]),
	177	[], enable_test_modules=yes)
	178	AM_CONDITIONAL([BUILD_MODULES], [test "x$enable_test_modules" = "xyes"])
	179
3ef7208e LDM	180	AC_ARG_ENABLE([logging],
	181	AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]),
	182	[], enable_logging=yes)
	183	AS_IF([test "x$enable_logging" = "xyes"], [
	184	AC_DEFINE(ENABLE_LOGGING, [1], [System logging.])
	185	])
	186
ecd40ee4 LDM	187	AC_ARG_ENABLE([debug],
	188	AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
	189	[], [enable_debug=no])
	190	AS_IF([test "x$enable_debug" = "xyes"], [
	191	AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
	192	])
	193
3a33a7a5 LDM	194	AC_ARG_ENABLE([python],
	195	AS_HELP_STRING([--enable-python], [enable Python libkmod bindings @<:@default=disabled@:>@]),
	196	[], [enable_python=no])
	197	AS_IF([test "x$enable_python" = "xyes"], [
	198	AM_PATH_PYTHON(,,[:])
	199	AC_PATH_PROG([CYTHON], [cython], [:])
	200
	201	PKG_CHECK_MODULES([PYTHON], [python-${PYTHON_VERSION}],
	202	[have_python=yes],
	203	[PKG_CHECK_MODULES([PYTHON], [python],
	204	[have_python=yes],
	205	[have_python=no])])
	206
	207	AS_IF([test "x$have_python" = xno],
	208	[AC_MSG_ERROR([*** python support requested but libraries not found])])
	209	])
	210	AM_CONDITIONAL([BUILD_PYTHON], [test "x$enable_python" = "xyes"])
	211
e9b0d1b4 LDM	212	AC_ARG_ENABLE([coverage],
	213	AS_HELP_STRING([--enable-coverage], [enable test coverage @<:@default=disabled@:>@]),
	214	[], [enable_coverage=no])
	215	AS_IF([test "x$enable_coverage" = "xyes"], [
	216	AC_CHECK_PROG(have_coverage, [lcov], [yes], [no])
	217	AS_IF([test "x$have_coverage" = xno],[
	218	AC_MSG_ERROR([*** lcov support requested but the program was not found])
	219	], [
	220	lcov_version_major="`lcov --version \| cut -d ' ' -f 4 \| cut -d '.' -f 1`"
	221	lcov_version_minor="`lcov --version \| cut -d ' ' -f 4 \| cut -d '.' -f 2`"
	222	AS_IF([test "$lcov_version_major" -lt 1 -o "$lcov_version_minor" -lt 10], [
	223	AC_MSG_ERROR([*** lcov version is too old. 1.10 required])
	224	], [
	225	have_coverage=yes
	226	CC_CHECK_FLAGS_APPEND([with_coverage_cflags], [CFLAGS], [\
	227	-fprofile-arcs \
	228	-ftest-coverage])
	229	])
	230	])
	231	])
	232	AM_CONDITIONAL([ENABLE_COVERAGE], [test "x$enable_coverage" = "xyes"])
	233
3ef7208e LDM	234	m4_ifdef([GTK_DOC_CHECK], [
	235	GTK_DOC_CHECK([1.14],[--flavour no-tmpl-flat])
	236	], [
	237	AM_CONDITIONAL([ENABLE_GTK_DOC], false)])
	238
3ef7208e LDM	239	#####################################################################
	240	# Default CFLAGS and LDFLAGS
	241	#####################################################################
6068aaae	242
e48f3765 LDM	243	CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
	244	-pipe \
	245	-DANOTHER_BRICK_IN_THE \
	246	-Wall \
	247	-W \
	248	-Wextra \
	249	-Wno-inline \
	250	-Wvla \
	251	-Wundef \
	252	-Wformat=2 \
	253	-Wlogical-op \
	254	-Wsign-compare \
	255	-Wformat-security \
	256	-Wmissing-include-dirs \
	257	-Wformat-nonliteral \
	258	-Wold-style-definition \
	259	-Wpointer-arith \
	260	-Winit-self \
	261	-Wdeclaration-after-statement \
	262	-Wfloat-equal \
	263	-Wmissing-prototypes \
	264	-Wstrict-prototypes \
	265	-Wredundant-decls \
	266	-Wmissing-declarations \
	267	-Wmissing-noreturn \
	268	-Wshadow \
	269	-Wendif-labels \
db62153e	270	-Wstrict-aliasing=3 \
e48f3765 LDM	271	-Wwrite-strings \
	272	-Wno-long-long \
	273	-Wno-overlength-strings \
	274	-Wno-unused-parameter \
	275	-Wno-missing-field-initializers \
	276	-Wno-unused-result \
	277	-Wnested-externs \
	278	-Wchar-subscripts \
	279	-Wtype-limits \
	280	-Wuninitialized \
	281	-fno-common \
	282	-fdiagnostics-show-option \
	283	-fvisibility=hidden \
	284	-ffunction-sections \
	285	-fdata-sections])
27bcc911	286	AC_SUBST([OUR_CFLAGS], "$with_cflags $with_coverage_cflags")
e48f3765	287
c677bf2c	288
e48f3765 LDM	289	CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [ \
e48f3765 LDM	290	-Wl,--as-needed \
a5f799af	291	-Wl,--no-undefined \
e48f3765	292	-Wl,--gc-sections])
84aaaedf	293	AC_SUBST([OUR_LDFLAGS], $with_ldflags)
3ef7208e	294
4671e03e LDM	295	AC_DEFINE_UNQUOTED(KMOD_FEATURES, ["$with_features"], [Features in this build])
4671e03e LDM	296
3ef7208e LDM	297	#####################################################################
	298	# Generate files from *.in
	299	#####################################################################
	300
ecd40ee4 LDM	301	AC_CONFIG_FILES([
ecd40ee4 LDM	302	Makefile
904b57d0	303	man/Makefile
646b83b8 LDM	304	libkmod/docs/Makefile
646b83b8 LDM	305	libkmod/docs/version.xml
e4c1a5b2 EV	306	libkmod/libkmod.pc
e4c1a5b2 EV	307	libkmod/python/kmod/version.py
ecd40ee4 LDM	308	])
ecd40ee4 LDM	309
3ef7208e LDM	310
3ef7208e LDM	311	#####################################################################
646b83b8	312
ecd40ee4 LDM	313	AC_OUTPUT
	314	AC_MSG_RESULT([
	315	$PACKAGE $VERSION
80cf2c8f	316	=======
ecd40ee4 LDM	317
	318	prefix: ${prefix}
	319	sysconfdir: ${sysconfdir}
8463809f	320	distconfdir: ${distconfdir}
ecd40ee4	321	libdir: ${libdir}
e79bf83b	322	rootlibdir: ${rootlibdir}
ecd40ee4	323	includedir: ${includedir}
7c41c2dd	324	bindir: ${bindir}
80cf2c8f	325	Bash completions dir: ${with_bashcompletiondir}
ecd40ee4 LDM	326
ecd40ee4 LDM	327	compiler: ${CC}
e48f3765 LDM	328	cflags: ${with_cflags} ${CFLAGS}
e48f3765 LDM	329	ldflags: ${with_ldflags} ${LDFLAGS}
ecd40ee4	330
013e8550	331	experimental features: ${enable_experimental}
7c41c2dd	332	tools: ${enable_tools}
3a33a7a5	333	python bindings: ${enable_python}
ecd40ee4	334	logging: ${enable_logging}
3821e197	335	compression: zstd=${with_zstd} xz=${with_xz} zlib=${with_zlib}
ecd40ee4	336	debug: ${enable_debug}
e9b0d1b4	337	coverage: ${enable_coverage}
646b83b8	338	doc: ${enable_gtk_doc}
382de85c	339	man: ${enable_manpages}
23603f1f	340	test-modules: ${enable_test_modules}
4671e03e LDM	341
4671e03e LDM	342	features: ${with_features}
ecd40ee4	343	])