[thirdparty/kmod.git] / configure.ac

AC_PREREQ(2.64)
AC_INIT([kmod],
	[29],
	[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([[_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([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])
	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])
	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])
	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])
	AC_DEFINE([ENABLE_OPENSSL], [1], [Enable openssl for modinfo.])
], [
	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)])

# Some tests are skipped when sysconfdir != /etc.
AM_CONDITIONAL([KMOD_SYSCONFDIR_NOT_ETC], [test "x$sysconfdir" != "x/etc"])

#####################################################################
# 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
])


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

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

	prefix:			${prefix}
	sysconfdir:		${sysconfdir}
	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:               ${with_features}
])
Commit	Line	Data
481ad145	1	AC_PREREQ(2.64)
cb48c9b2	2	AC_INIT([kmod],
b6ecfc91	3	[29],
e17cc3af	4	[linux-modules@vger.kernel.org],
cb48c9b2	5	[kmod],
bb05bc8a	6	[http://git.kernel.org/?p=utils/kernel/kmod/kmod.git])
586fc304 LDM	7
586fc304 LDM	8	AC_CONFIG_SRCDIR([libkmod/libkmod.c])
481ad145 LDM	9	AC_CONFIG_MACRO_DIR([m4])
481ad145 LDM	10	AC_CONFIG_HEADERS(config.h)
ecd40ee4	11	AC_CONFIG_AUX_DIR([build-aux])
481ad145	12
ecd40ee4 LDM	13	AC_USE_SYSTEM_EXTENSIONS
ecd40ee4 LDM	14	AC_SYS_LARGEFILE
ecd40ee4	15	AC_PREFIX_DEFAULT([/usr])
f5cc26c7	16	AM_MAINTAINER_MODE([enable])
481ad145 LDM	17	AM_INIT_AUTOMAKE([check-news foreign 1.11 silent-rules tar-pax no-dist-gzip dist-xz subdir-objects color-tests parallel-tests])
	18	AM_SILENT_RULES([yes])
	19	LT_INIT([disable-static pic-only])
ecd40ee4	20
fae77516 LDM	21	AS_IF([test "x$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])
	70	AC_COMPILE_IFELSE(
	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])])
	75
	76
3ef7208e LDM	77	#####################################################################
	78	# --with-
	79	#####################################################################
	80
e79bf83b KS	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], [$with_rootlibdir])
	85
3821e197 TM	86	AC_ARG_WITH([zstd],
	87	AS_HELP_STRING([--with-zstd], [handle Zstandard-compressed modules @<:@default=disabled@:>@]),
	88	[], [with_zstd=no])
	89	AS_IF([test "x$with_zstd" != "xno"], [
	90	PKG_CHECK_MODULES([libzstd], [libzstd >= 1.4.4])
	91	AC_DEFINE([ENABLE_ZSTD], [1], [Enable Zstandard for modules.])
	92	], [
	93	AC_MSG_NOTICE([Zstandard support not requested])
	94	])
	95	CC_FEATURE_APPEND([with_features], [with_zstd], [ZSTD])
	96
b182f8fb JE	97	AC_ARG_WITH([xz],
	98	AS_HELP_STRING([--with-xz], [handle Xz-compressed modules @<:@default=disabled@:>@]),
	99	[], [with_xz=no])
	100	AS_IF([test "x$with_xz" != "xno"], [
	101	PKG_CHECK_MODULES([liblzma], [liblzma >= 4.99])
	102	AC_DEFINE([ENABLE_XZ], [1], [Enable Xz for modules.])
	103	], [
	104	AC_MSG_NOTICE([Xz support not requested])
	105	])
4671e03e	106	CC_FEATURE_APPEND([with_features], [with_xz], [XZ])
b182f8fb	107
5a51a357 JE	108	AC_ARG_WITH([zlib],
	109	AS_HELP_STRING([--with-zlib], [handle gzipped modules @<:@default=disabled@:>@]),
	110	[], [with_zlib=no])
	111	AS_IF([test "x$with_zlib" != "xno"], [
7b3a74fc JE	112	PKG_CHECK_MODULES([zlib], [zlib])
7b3a74fc JE	113	AC_DEFINE([ENABLE_ZLIB], [1], [Enable zlib for modules.])
cfb908bf LDM	114	], [
cfb908bf LDM	115	AC_MSG_NOTICE([zlib support not requested])
cfb908bf	116	])
4671e03e	117	CC_FEATURE_APPEND([with_features], [with_zlib], [ZLIB])
3d8226ed	118
391b4714 YK	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$with_openssl" != "xno"], [
8e266b9e	123	PKG_CHECK_MODULES([libcrypto], [libcrypto >= 1.1.0])
391b4714 YK	124	AC_DEFINE([ENABLE_OPENSSL], [1], [Enable openssl for modinfo.])
	125	], [
	126	AC_MSG_NOTICE([openssl support not requested])
	127	])
8e266b9e	128	CC_FEATURE_APPEND([with_features], [with_openssl], [LIBCRYPTO])
391b4714	129
80cf2c8f LDM	130	AC_ARG_WITH([bashcompletiondir],
	131	AS_HELP_STRING([--with-bashcompletiondir=DIR], [Bash completions directory]),
	132	[],
	133	[AS_IF([$($PKG_CONFIG --exists bash-completion)], [
	134	with_bashcompletiondir=$($PKG_CONFIG --variable=completionsdir bash-completion)
	135	] , [
	136	with_bashcompletiondir=${datadir}/bash-completion/completions
	137	])])
	138	AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])
3ef7208e LDM	139
	140	#####################################################################
	141	# --enable-
	142	#####################################################################
	143
013e8550 LDM	144	AC_ARG_ENABLE([experimental],
	145	AS_HELP_STRING([--enable-experimental], [enable experimental tools and features. Do not enable it unless you know what you are doing. @<:@default=disabled@:>@]),
	146	[], enable_experimental=no)
	147	AM_CONDITIONAL([BUILD_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
	148	AS_IF([test "x$enable_experimental" = "xyes"], [
	149	AC_DEFINE(ENABLE_EXPERIMENTAL, [1], [Experimental features.])
	150	])
4671e03e	151	CC_FEATURE_APPEND([with_features], [enable_experimental], [EXPERIMENTAL])
013e8550	152
3ef7208e LDM	153	AC_ARG_ENABLE([tools],
	154	AS_HELP_STRING([--disable-tools], [disable building tools that provide same functionality as module-init-tools @<:@default=enabled@:>@]),
	155	[], enable_tools=yes)
	156	AM_CONDITIONAL([BUILD_TOOLS], [test "x$enable_tools" = "xyes"])
	157
8631552d CW	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$enable_manpages" = "xyes"])
	162
23603f1f LDM	163	AC_ARG_ENABLE([test-modules],
	164	AS_HELP_STRING([--disable-test-modules], [disable building test modules during make check: cached modules will be used @<:@default=enabled@:>@]),
	165	[], enable_test_modules=yes)
	166	AM_CONDITIONAL([BUILD_MODULES], [test "x$enable_test_modules" = "xyes"])
	167
3ef7208e LDM	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$enable_logging" = "xyes"], [
	172	AC_DEFINE(ENABLE_LOGGING, [1], [System logging.])
	173	])
	174
ecd40ee4 LDM	175	AC_ARG_ENABLE([debug],
	176	AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
	177	[], [enable_debug=no])
	178	AS_IF([test "x$enable_debug" = "xyes"], [
	179	AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
	180	])
	181
3a33a7a5 LDM	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$enable_python" = "xyes"], [
	186	AM_PATH_PYTHON(,,[:])
	187	AC_PATH_PROG([CYTHON], [cython], [:])
	188
	189	PKG_CHECK_MODULES([PYTHON], [python-${PYTHON_VERSION}],
	190	[have_python=yes],
	191	[PKG_CHECK_MODULES([PYTHON], [python],
	192	[have_python=yes],
	193	[have_python=no])])
	194
	195	AS_IF([test "x$have_python" = xno],
	196	[AC_MSG_ERROR([*** python support requested but libraries not found])])
	197	])
	198	AM_CONDITIONAL([BUILD_PYTHON], [test "x$enable_python" = "xyes"])
	199
e9b0d1b4 LDM	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])
	207	], [
	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])
	212	], [
	213	have_coverage=yes
	214	CC_CHECK_FLAGS_APPEND([with_coverage_cflags], [CFLAGS], [\
	215	-fprofile-arcs \
	216	-ftest-coverage])
	217	])
	218	])
	219	])
	220	AM_CONDITIONAL([ENABLE_COVERAGE], [test "x$enable_coverage" = "xyes"])
	221
3ef7208e LDM	222	m4_ifdef([GTK_DOC_CHECK], [
	223	GTK_DOC_CHECK([1.14],[--flavour no-tmpl-flat])
	224	], [
	225	AM_CONDITIONAL([ENABLE_GTK_DOC], false)])
	226
847247a4 MB	227	# Some tests are skipped when sysconfdir != /etc.
847247a4 MB	228	AM_CONDITIONAL([KMOD_SYSCONFDIR_NOT_ETC], [test "x$sysconfdir" != "x/etc"])
3ef7208e LDM	229
	230	#####################################################################
	231	# Default CFLAGS and LDFLAGS
	232	#####################################################################
6068aaae	233
e48f3765 LDM	234	CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
	235	-pipe \
	236	-DANOTHER_BRICK_IN_THE \
	237	-Wall \
	238	-W \
	239	-Wextra \
	240	-Wno-inline \
	241	-Wvla \
	242	-Wundef \
	243	-Wformat=2 \
	244	-Wlogical-op \
	245	-Wsign-compare \
	246	-Wformat-security \
	247	-Wmissing-include-dirs \
	248	-Wformat-nonliteral \
	249	-Wold-style-definition \
	250	-Wpointer-arith \
	251	-Winit-self \
	252	-Wdeclaration-after-statement \
	253	-Wfloat-equal \
	254	-Wmissing-prototypes \
	255	-Wstrict-prototypes \
	256	-Wredundant-decls \
	257	-Wmissing-declarations \
	258	-Wmissing-noreturn \
	259	-Wshadow \
	260	-Wendif-labels \
db62153e	261	-Wstrict-aliasing=3 \
e48f3765 LDM	262	-Wwrite-strings \
	263	-Wno-long-long \
	264	-Wno-overlength-strings \
	265	-Wno-unused-parameter \
	266	-Wno-missing-field-initializers \
	267	-Wno-unused-result \
	268	-Wnested-externs \
	269	-Wchar-subscripts \
	270	-Wtype-limits \
	271	-Wuninitialized \
	272	-fno-common \
	273	-fdiagnostics-show-option \
	274	-fvisibility=hidden \
	275	-ffunction-sections \
	276	-fdata-sections])
27bcc911	277	AC_SUBST([OUR_CFLAGS], "$with_cflags $with_coverage_cflags")
e48f3765	278
c677bf2c	279
e48f3765 LDM	280	CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [ \
e48f3765 LDM	281	-Wl,--as-needed \
a5f799af	282	-Wl,--no-undefined \
e48f3765	283	-Wl,--gc-sections])
84aaaedf	284	AC_SUBST([OUR_LDFLAGS], $with_ldflags)
3ef7208e	285
4671e03e LDM	286	AC_DEFINE_UNQUOTED(KMOD_FEATURES, ["$with_features"], [Features in this build])
4671e03e LDM	287
3ef7208e LDM	288	#####################################################################
	289	# Generate files from *.in
	290	#####################################################################
	291
ecd40ee4 LDM	292	AC_CONFIG_FILES([
ecd40ee4 LDM	293	Makefile
904b57d0	294	man/Makefile
646b83b8 LDM	295	libkmod/docs/Makefile
646b83b8 LDM	296	libkmod/docs/version.xml
ecd40ee4 LDM	297	])
ecd40ee4 LDM	298
3ef7208e LDM	299
3ef7208e LDM	300	#####################################################################
646b83b8	301
ecd40ee4 LDM	302	AC_OUTPUT
	303	AC_MSG_RESULT([
	304	$PACKAGE $VERSION
80cf2c8f	305	=======
ecd40ee4 LDM	306
	307	prefix: ${prefix}
	308	sysconfdir: ${sysconfdir}
	309	libdir: ${libdir}
e79bf83b	310	rootlibdir: ${rootlibdir}
ecd40ee4	311	includedir: ${includedir}
7c41c2dd	312	bindir: ${bindir}
80cf2c8f	313	Bash completions dir: ${with_bashcompletiondir}
ecd40ee4 LDM	314
ecd40ee4 LDM	315	compiler: ${CC}
e48f3765 LDM	316	cflags: ${with_cflags} ${CFLAGS}
e48f3765 LDM	317	ldflags: ${with_ldflags} ${LDFLAGS}
ecd40ee4	318
013e8550	319	experimental features: ${enable_experimental}
7c41c2dd	320	tools: ${enable_tools}
3a33a7a5	321	python bindings: ${enable_python}
ecd40ee4	322	logging: ${enable_logging}
3821e197	323	compression: zstd=${with_zstd} xz=${with_xz} zlib=${with_zlib}
ecd40ee4	324	debug: ${enable_debug}
e9b0d1b4	325	coverage: ${enable_coverage}
646b83b8	326	doc: ${enable_gtk_doc}
382de85c	327	man: ${enable_manpages}
23603f1f	328	test-modules: ${enable_test_modules}
4671e03e LDM	329
4671e03e LDM	330	features: ${with_features}
ecd40ee4	331	])