[thirdparty/kmod.git] / configure.ac

AC_PREREQ(2.64)
AC_INIT([kmod],
	[32],
	[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])])

module_compressions=""
module_signatures="legacy"

#####################################################################
# 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_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])

# Ideally this would be $prefix/lib/modules but default to /lib/modules for compatibility with earlier versions
AC_ARG_WITH([module_directory],
        AS_HELP_STRING([--with-module-directory=DIR], [directory in which to look for kernel modules @<:@default=/lib/modules@:>@]),
        [], [with_module_directory=/lib/modules])
AC_SUBST([module_directory], [$with_module_directory])

# Check all directory arguments for consistency.
for ac_var in	distconfdir rootlibdir module_directory
do
  eval ac_val=\$$ac_var
  # Remove trailing slashes.
  case $ac_val in
    */ )
      ac_val=`expr "X$ac_val" : 'X\(.*@<:@^/@:>@\)' \| "X$ac_val" : 'X\(.*\)'`
      eval $ac_var=\$ac_val;;
  esac
  # Be sure to have absolute directory names.
  case $ac_val in
    @<:@\\/$@:>@* | ?:@<:@\\/@:>@* )  continue;;
  esac
  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
done

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.])
	module_compressions="zstd $module_compressions"
], [
	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.])
	module_compressions="xz $module_compressions"
], [
	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.])
	module_compressions="gzip $module_compressions"
], [
	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.])
	module_signatures="PKCS7 $module_signatures"
], [
	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([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([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)])

PKG_INSTALLDIR
PKG_NOARCH_INSTALLDIR

#####################################################################
# 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_SUBST([module_compressions], $module_compressions)
AC_SUBST([module_signatures], $module_signatures)

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


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

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

	module_directory:	${module_directory}
	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}

	tools:			${enable_tools}
	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:               ${with_features}
])
Commit	Line	Data
481ad145	1	AC_PREREQ(2.64)
cb48c9b2	2	AC_INIT([kmod],
41faa597	3	[32],
e17cc3af	4	[linux-modules@vger.kernel.org],
cb48c9b2	5	[kmod],
bb05bc8a	6	[http://git.kernel.org/?p=utils/kernel/kmod/kmod.git])
586fc304 LDM	7
586fc304 LDM	8	AC_CONFIG_SRCDIR([libkmod/libkmod.c])
481ad145 LDM	9	AC_CONFIG_MACRO_DIR([m4])
481ad145 LDM	10	AC_CONFIG_HEADERS(config.h)
ecd40ee4	11	AC_CONFIG_AUX_DIR([build-aux])
481ad145	12
ecd40ee4 LDM	13	AC_USE_SYSTEM_EXTENSIONS
ecd40ee4 LDM	14	AC_SYS_LARGEFILE
ecd40ee4	15	AC_PREFIX_DEFAULT([/usr])
f5cc26c7	16	AM_MAINTAINER_MODE([enable])
481ad145 LDM	17	AM_INIT_AUTOMAKE([check-news foreign 1.11 silent-rules tar-pax no-dist-gzip dist-xz subdir-objects color-tests parallel-tests])
	18	AM_SILENT_RULES([yes])
	19	LT_INIT([disable-static pic-only])
ecd40ee4	20
fae77516 LDM	21	AS_IF([test "x$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
ecef7c13 MS	24	module_compressions=""
	25	module_signatures="legacy"
	26
3ef7208e LDM	27	#####################################################################
	28	# Program checks and configurations
	29	#####################################################################
	30
9faa7b37 KS	31	AC_PROG_SED
9faa7b37 KS	32	AC_PROG_MKDIR_P
481ad145	33	AC_PROG_LN_S
7b3a74fc	34	PKG_PROG_PKG_CONFIG
bccb4b25	35	AC_PATH_PROG([XSLTPROC], [xsltproc])
3d8226ed	36
481ad145	37	AC_PROG_CC_C99
3ef7208e LDM	38
	39	#####################################################################
	40	# Function and structure checks
	41	#####################################################################
	42
d005aeb7	43	AC_CHECK_FUNCS_ONCE(__xstat)
41a51c2a	44	AC_CHECK_FUNCS_ONCE([__secure_getenv secure_getenv])
55112d19	45	AC_CHECK_FUNCS_ONCE([finit_module])
d005aeb7	46
e6307200 LDM	47	CC_CHECK_FUNC_BUILTIN([__builtin_clz])
e6307200 LDM	48	CC_CHECK_FUNC_BUILTIN([__builtin_types_compatible_p])
aac5f451 LDM	49	CC_CHECK_FUNC_BUILTIN([__builtin_uaddl_overflow], [ ], [ ])
aac5f451 LDM	50	CC_CHECK_FUNC_BUILTIN([__builtin_uaddll_overflow], [ ], [ ])
e6307200	51
3ef7208e LDM	52	# dietlibc doesn't have st.st_mtim struct member
	53	AC_CHECK_MEMBERS([struct stat.st_mtim], [], [], [#include <sys/stat.h>])
	54
04c0956e LDM	55	# musl 1.0 and bionic 4.4 don't have strndupa
	56	AC_CHECK_DECLS_ONCE([strndupa])
	57
9b34db1a RM	58	# RHEL 5 and older do not have be32toh
	59	AC_CHECK_DECLS_ONCE([be32toh])
	60
144d1826 KC	61	# Check kernel headers
	62	AC_CHECK_HEADERS_ONCE([linux/module.h])
	63
dc8ed09f TP	64	AC_MSG_CHECKING([whether _Static_assert() is supported])
	65	AC_COMPILE_IFELSE(
	66	[AC_LANG_SOURCE([[_Static_assert(1, "Test");]])],
	67	[AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define if _Static_assert() is available])
	68	AC_MSG_RESULT([yes])],
	69	[AC_MSG_RESULT([no])])
3ef7208e	70
16a62c7a LDM	71	AC_MSG_CHECKING([whether _Noreturn is supported])
16a62c7a LDM	72	AC_COMPILE_IFELSE(
035e6667 FW	73	[AC_LANG_SOURCE([[#include <stdlib.h>
035e6667 FW	74	_Noreturn int foo(void) { exit(0); }]])],
16a62c7a LDM	75	[AC_DEFINE([HAVE_NORETURN], [1], [Define if _Noreturn is available])
	76	AC_MSG_RESULT([yes])],
	77	[AC_MSG_RESULT([no])])
	78
	79
3ef7208e LDM	80	#####################################################################
	81	# --with-
	82	#####################################################################
	83
8463809f MS	84	AC_ARG_WITH([distconfdir], AS_HELP_STRING([--with-distconfdir=DIR], [directory to search for distribution configuration files]),
	85	[], [with_distconfdir='${prefix}/lib'])
	86	AC_SUBST([distconfdir], [$with_distconfdir])
	87
e79bf83b KS	88	AC_ARG_WITH([rootlibdir],
	89	AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]),
	90	[], [with_rootlibdir=$libdir])
	91	AC_SUBST([rootlibdir], [$with_rootlibdir])
	92
9d1fb317 MS	93	# Ideally this would be $prefix/lib/modules but default to /lib/modules for compatibility with earlier versions
9d1fb317 MS	94	AC_ARG_WITH([module_directory],
607abb81	95	AS_HELP_STRING([--with-module-directory=DIR], [directory in which to look for kernel modules @<:@default=/lib/modules@:>@]),
9d1fb317 MS	96	[], [with_module_directory=/lib/modules])
	97	AC_SUBST([module_directory], [$with_module_directory])
	98
48b0c75f MS	99	# Check all directory arguments for consistency.
	100	for ac_var in distconfdir rootlibdir module_directory
	101	do
	102	eval ac_val=\$$ac_var
	103	# Remove trailing slashes.
	104	case $ac_val in
	105	*/ )
	106	ac_val=`expr "X$ac_val" : 'X\(.@<:@^/@:>@\)' \\| "X$ac_val" : 'X\(.\)'`
	107	eval $ac_var=\$ac_val;;
	108	esac
	109	# Be sure to have absolute directory names.
	110	case $ac_val in
	111	@<:@\\/$@:>@* \| ?:@<:@\\/@:>@* ) continue;;
	112	esac
	113	as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
	114	done
	115
3821e197 TM	116	AC_ARG_WITH([zstd],
	117	AS_HELP_STRING([--with-zstd], [handle Zstandard-compressed modules @<:@default=disabled@:>@]),
	118	[], [with_zstd=no])
	119	AS_IF([test "x$with_zstd" != "xno"], [
3d1bd339	120	PKG_CHECK_MODULES([libzstd], [libzstd >= 1.4.4], [LIBS="$LIBS $libzstd_LIBS"])
3821e197	121	AC_DEFINE([ENABLE_ZSTD], [1], [Enable Zstandard for modules.])
ecef7c13	122	module_compressions="zstd $module_compressions"
3821e197 TM	123	], [
	124	AC_MSG_NOTICE([Zstandard support not requested])
	125	])
	126	CC_FEATURE_APPEND([with_features], [with_zstd], [ZSTD])
	127
b182f8fb JE	128	AC_ARG_WITH([xz],
	129	AS_HELP_STRING([--with-xz], [handle Xz-compressed modules @<:@default=disabled@:>@]),
	130	[], [with_xz=no])
	131	AS_IF([test "x$with_xz" != "xno"], [
3d1bd339	132	PKG_CHECK_MODULES([liblzma], [liblzma >= 4.99], [LIBS="$LIBS $liblzma_LIBS"])
b182f8fb	133	AC_DEFINE([ENABLE_XZ], [1], [Enable Xz for modules.])
ecef7c13	134	module_compressions="xz $module_compressions"
b182f8fb JE	135	], [
	136	AC_MSG_NOTICE([Xz support not requested])
	137	])
4671e03e	138	CC_FEATURE_APPEND([with_features], [with_xz], [XZ])
b182f8fb	139
5a51a357 JE	140	AC_ARG_WITH([zlib],
	141	AS_HELP_STRING([--with-zlib], [handle gzipped modules @<:@default=disabled@:>@]),
	142	[], [with_zlib=no])
	143	AS_IF([test "x$with_zlib" != "xno"], [
3d1bd339	144	PKG_CHECK_MODULES([zlib], [zlib], [LIBS="$LIBS $zlib_LIBS"])
7b3a74fc	145	AC_DEFINE([ENABLE_ZLIB], [1], [Enable zlib for modules.])
ecef7c13	146	module_compressions="gzip $module_compressions"
cfb908bf LDM	147	], [
cfb908bf LDM	148	AC_MSG_NOTICE([zlib support not requested])
cfb908bf	149	])
4671e03e	150	CC_FEATURE_APPEND([with_features], [with_zlib], [ZLIB])
3d8226ed	151
391b4714 YK	152	AC_ARG_WITH([openssl],
	153	AS_HELP_STRING([--with-openssl], [handle PKCS7 signatures @<:@default=disabled@:>@]),
	154	[], [with_openssl=no])
	155	AS_IF([test "x$with_openssl" != "xno"], [
3d1bd339	156	PKG_CHECK_MODULES([libcrypto], [libcrypto >= 1.1.0], [LIBS="$LIBS $libcrypto_LIBS"])
391b4714	157	AC_DEFINE([ENABLE_OPENSSL], [1], [Enable openssl for modinfo.])
ecef7c13	158	module_signatures="PKCS7 $module_signatures"
391b4714 YK	159	], [
	160	AC_MSG_NOTICE([openssl support not requested])
	161	])
8e266b9e	162	CC_FEATURE_APPEND([with_features], [with_openssl], [LIBCRYPTO])
391b4714	163
80cf2c8f LDM	164	AC_ARG_WITH([bashcompletiondir],
	165	AS_HELP_STRING([--with-bashcompletiondir=DIR], [Bash completions directory]),
	166	[],
	167	[AS_IF([$($PKG_CONFIG --exists bash-completion)], [
	168	with_bashcompletiondir=$($PKG_CONFIG --variable=completionsdir bash-completion)
	169	] , [
	170	with_bashcompletiondir=${datadir}/bash-completion/completions
	171	])])
	172	AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])
3ef7208e LDM	173
	174	#####################################################################
	175	# --enable-
	176	#####################################################################
	177
	178	AC_ARG_ENABLE([tools],
	179	AS_HELP_STRING([--disable-tools], [disable building tools that provide same functionality as module-init-tools @<:@default=enabled@:>@]),
	180	[], enable_tools=yes)
	181	AM_CONDITIONAL([BUILD_TOOLS], [test "x$enable_tools" = "xyes"])
	182
8631552d CW	183	AC_ARG_ENABLE([manpages],
	184	AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
	185	[], enable_manpages=yes)
	186	AM_CONDITIONAL([BUILD_MANPAGES], [test "x$enable_manpages" = "xyes"])
	187
23603f1f LDM	188	AC_ARG_ENABLE([test-modules],
	189	AS_HELP_STRING([--disable-test-modules], [disable building test modules during make check: cached modules will be used @<:@default=enabled@:>@]),
	190	[], enable_test_modules=yes)
	191	AM_CONDITIONAL([BUILD_MODULES], [test "x$enable_test_modules" = "xyes"])
	192
3ef7208e LDM	193	AC_ARG_ENABLE([logging],
	194	AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]),
	195	[], enable_logging=yes)
	196	AS_IF([test "x$enable_logging" = "xyes"], [
	197	AC_DEFINE(ENABLE_LOGGING, [1], [System logging.])
	198	])
	199
ecd40ee4 LDM	200	AC_ARG_ENABLE([debug],
	201	AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
	202	[], [enable_debug=no])
	203	AS_IF([test "x$enable_debug" = "xyes"], [
	204	AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
	205	])
	206
e9b0d1b4 LDM	207	AC_ARG_ENABLE([coverage],
	208	AS_HELP_STRING([--enable-coverage], [enable test coverage @<:@default=disabled@:>@]),
	209	[], [enable_coverage=no])
	210	AS_IF([test "x$enable_coverage" = "xyes"], [
	211	AC_CHECK_PROG(have_coverage, [lcov], [yes], [no])
	212	AS_IF([test "x$have_coverage" = xno],[
	213	AC_MSG_ERROR([*** lcov support requested but the program was not found])
	214	], [
	215	lcov_version_major="`lcov --version \| cut -d ' ' -f 4 \| cut -d '.' -f 1`"
	216	lcov_version_minor="`lcov --version \| cut -d ' ' -f 4 \| cut -d '.' -f 2`"
	217	AS_IF([test "$lcov_version_major" -lt 1 -o "$lcov_version_minor" -lt 10], [
	218	AC_MSG_ERROR([*** lcov version is too old. 1.10 required])
	219	], [
	220	have_coverage=yes
	221	CC_CHECK_FLAGS_APPEND([with_coverage_cflags], [CFLAGS], [\
	222	-fprofile-arcs \
	223	-ftest-coverage])
	224	])
	225	])
	226	])
	227	AM_CONDITIONAL([ENABLE_COVERAGE], [test "x$enable_coverage" = "xyes"])
	228
3ef7208e LDM	229	m4_ifdef([GTK_DOC_CHECK], [
	230	GTK_DOC_CHECK([1.14],[--flavour no-tmpl-flat])
	231	], [
	232	AM_CONDITIONAL([ENABLE_GTK_DOC], false)])
	233
e4130a46 MG	234	PKG_INSTALLDIR
	235	PKG_NOARCH_INSTALLDIR
	236
3ef7208e LDM	237	#####################################################################
	238	# Default CFLAGS and LDFLAGS
	239	#####################################################################
6068aaae	240
e48f3765 LDM	241	CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
	242	-pipe \
	243	-DANOTHER_BRICK_IN_THE \
	244	-Wall \
	245	-W \
	246	-Wextra \
	247	-Wno-inline \
	248	-Wvla \
	249	-Wundef \
	250	-Wformat=2 \
	251	-Wlogical-op \
	252	-Wsign-compare \
	253	-Wformat-security \
	254	-Wmissing-include-dirs \
	255	-Wformat-nonliteral \
	256	-Wold-style-definition \
	257	-Wpointer-arith \
	258	-Winit-self \
	259	-Wdeclaration-after-statement \
	260	-Wfloat-equal \
	261	-Wmissing-prototypes \
	262	-Wstrict-prototypes \
	263	-Wredundant-decls \
	264	-Wmissing-declarations \
	265	-Wmissing-noreturn \
	266	-Wshadow \
	267	-Wendif-labels \
db62153e	268	-Wstrict-aliasing=3 \
e48f3765 LDM	269	-Wwrite-strings \
	270	-Wno-long-long \
	271	-Wno-overlength-strings \
	272	-Wno-unused-parameter \
	273	-Wno-missing-field-initializers \
	274	-Wno-unused-result \
	275	-Wnested-externs \
	276	-Wchar-subscripts \
	277	-Wtype-limits \
	278	-Wuninitialized \
	279	-fno-common \
	280	-fdiagnostics-show-option \
	281	-fvisibility=hidden \
	282	-ffunction-sections \
	283	-fdata-sections])
27bcc911	284	AC_SUBST([OUR_CFLAGS], "$with_cflags $with_coverage_cflags")
e48f3765	285
c677bf2c	286
e48f3765 LDM	287	CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [ \
e48f3765 LDM	288	-Wl,--as-needed \
a5f799af	289	-Wl,--no-undefined \
e48f3765	290	-Wl,--gc-sections])
84aaaedf	291	AC_SUBST([OUR_LDFLAGS], $with_ldflags)
3ef7208e	292
4671e03e LDM	293	AC_DEFINE_UNQUOTED(KMOD_FEATURES, ["$with_features"], [Features in this build])
4671e03e LDM	294
3ef7208e LDM	295	#####################################################################
	296	# Generate files from *.in
	297	#####################################################################
	298
ecef7c13 MS	299	AC_SUBST([module_compressions], $module_compressions)
	300	AC_SUBST([module_signatures], $module_signatures)
	301
ecd40ee4 LDM	302	AC_CONFIG_FILES([
ecd40ee4 LDM	303	Makefile
904b57d0	304	man/Makefile
646b83b8 LDM	305	libkmod/docs/Makefile
646b83b8 LDM	306	libkmod/docs/version.xml
e4c1a5b2	307	libkmod/libkmod.pc
ecef7c13	308	tools/kmod.pc
ecd40ee4 LDM	309	])
ecd40ee4 LDM	310
3ef7208e LDM	311
3ef7208e LDM	312	#####################################################################
646b83b8	313
ecd40ee4 LDM	314	AC_OUTPUT
	315	AC_MSG_RESULT([
	316	$PACKAGE $VERSION
80cf2c8f	317	=======
ecd40ee4	318
9d1fb317	319	module_directory: ${module_directory}
ecd40ee4 LDM	320	prefix: ${prefix}
ecd40ee4 LDM	321	sysconfdir: ${sysconfdir}
8463809f	322	distconfdir: ${distconfdir}
ecd40ee4	323	libdir: ${libdir}
e79bf83b	324	rootlibdir: ${rootlibdir}
ecd40ee4	325	includedir: ${includedir}
7c41c2dd	326	bindir: ${bindir}
80cf2c8f	327	Bash completions dir: ${with_bashcompletiondir}
ecd40ee4 LDM	328
ecd40ee4 LDM	329	compiler: ${CC}
e48f3765 LDM	330	cflags: ${with_cflags} ${CFLAGS}
e48f3765 LDM	331	ldflags: ${with_ldflags} ${LDFLAGS}
ecd40ee4	332
7c41c2dd	333	tools: ${enable_tools}
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	])