[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])])

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_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])

# Ideally this would be $prefix/lib/modules but default to /lib/modules for compatibility with earlier versions
AC_ARG_WITH([module_directory],
        AS_HELP_STRING([--with-module-directory=DIR], [directory in which to look for kernel modules - typically '/lib/modules' or '${prefix}/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([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_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
	libkmod/python/kmod/version.py
	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}

	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
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])
8d9c7e37	36	AC_PATH_PROG([MKOSI], [mkosi])
3d8226ed	37
481ad145	38	AC_PROG_CC_C99
3ef7208e LDM	39
	40	#####################################################################
	41	# Function and structure checks
	42	#####################################################################
	43
d005aeb7	44	AC_CHECK_FUNCS_ONCE(__xstat)
41a51c2a	45	AC_CHECK_FUNCS_ONCE([__secure_getenv secure_getenv])
55112d19	46	AC_CHECK_FUNCS_ONCE([finit_module])
d005aeb7	47
e6307200 LDM	48	CC_CHECK_FUNC_BUILTIN([__builtin_clz])
e6307200 LDM	49	CC_CHECK_FUNC_BUILTIN([__builtin_types_compatible_p])
aac5f451 LDM	50	CC_CHECK_FUNC_BUILTIN([__builtin_uaddl_overflow], [ ], [ ])
aac5f451 LDM	51	CC_CHECK_FUNC_BUILTIN([__builtin_uaddll_overflow], [ ], [ ])
e6307200	52
3ef7208e LDM	53	# dietlibc doesn't have st.st_mtim struct member
	54	AC_CHECK_MEMBERS([struct stat.st_mtim], [], [], [#include <sys/stat.h>])
	55
04c0956e LDM	56	# musl 1.0 and bionic 4.4 don't have strndupa
	57	AC_CHECK_DECLS_ONCE([strndupa])
	58
9b34db1a RM	59	# RHEL 5 and older do not have be32toh
	60	AC_CHECK_DECLS_ONCE([be32toh])
	61
144d1826 KC	62	# Check kernel headers
	63	AC_CHECK_HEADERS_ONCE([linux/module.h])
	64
dc8ed09f TP	65	AC_MSG_CHECKING([whether _Static_assert() is supported])
	66	AC_COMPILE_IFELSE(
	67	[AC_LANG_SOURCE([[_Static_assert(1, "Test");]])],
	68	[AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define if _Static_assert() is available])
	69	AC_MSG_RESULT([yes])],
	70	[AC_MSG_RESULT([no])])
3ef7208e	71
16a62c7a LDM	72	AC_MSG_CHECKING([whether _Noreturn is supported])
16a62c7a LDM	73	AC_COMPILE_IFELSE(
035e6667 FW	74	[AC_LANG_SOURCE([[#include <stdlib.h>
035e6667 FW	75	_Noreturn int foo(void) { exit(0); }]])],
16a62c7a LDM	76	[AC_DEFINE([HAVE_NORETURN], [1], [Define if _Noreturn is available])
	77	AC_MSG_RESULT([yes])],
	78	[AC_MSG_RESULT([no])])
	79
	80
3ef7208e LDM	81	#####################################################################
	82	# --with-
	83	#####################################################################
	84
8463809f MS	85	AC_ARG_WITH([distconfdir], AS_HELP_STRING([--with-distconfdir=DIR], [directory to search for distribution configuration files]),
	86	[], [with_distconfdir='${prefix}/lib'])
	87	AC_SUBST([distconfdir], [$with_distconfdir])
	88
e79bf83b KS	89	AC_ARG_WITH([rootlibdir],
	90	AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]),
	91	[], [with_rootlibdir=$libdir])
	92	AC_SUBST([rootlibdir], [$with_rootlibdir])
	93
9d1fb317 MS	94	# Ideally this would be $prefix/lib/modules but default to /lib/modules for compatibility with earlier versions
	95	AC_ARG_WITH([module_directory],
	96	AS_HELP_STRING([--with-module-directory=DIR], [directory in which to look for kernel modules - typically '/lib/modules' or '${prefix}/lib/modules']),
	97	[], [with_module_directory=/lib/modules])
	98	AC_SUBST([module_directory], [$with_module_directory])
	99
48b0c75f MS	100	# Check all directory arguments for consistency.
	101	for ac_var in distconfdir rootlibdir module_directory
	102	do
	103	eval ac_val=\$$ac_var
	104	# Remove trailing slashes.
	105	case $ac_val in
	106	*/ )
	107	ac_val=`expr "X$ac_val" : 'X\(.@<:@^/@:>@\)' \\| "X$ac_val" : 'X\(.\)'`
	108	eval $ac_var=\$ac_val;;
	109	esac
	110	# Be sure to have absolute directory names.
	111	case $ac_val in
	112	@<:@\\/$@:>@* \| ?:@<:@\\/@:>@* ) continue;;
	113	esac
	114	as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
	115	done
	116
3821e197 TM	117	AC_ARG_WITH([zstd],
	118	AS_HELP_STRING([--with-zstd], [handle Zstandard-compressed modules @<:@default=disabled@:>@]),
	119	[], [with_zstd=no])
	120	AS_IF([test "x$with_zstd" != "xno"], [
3d1bd339	121	PKG_CHECK_MODULES([libzstd], [libzstd >= 1.4.4], [LIBS="$LIBS $libzstd_LIBS"])
3821e197	122	AC_DEFINE([ENABLE_ZSTD], [1], [Enable Zstandard for modules.])
ecef7c13	123	module_compressions="zstd $module_compressions"
3821e197 TM	124	], [
	125	AC_MSG_NOTICE([Zstandard support not requested])
	126	])
	127	CC_FEATURE_APPEND([with_features], [with_zstd], [ZSTD])
	128
b182f8fb JE	129	AC_ARG_WITH([xz],
	130	AS_HELP_STRING([--with-xz], [handle Xz-compressed modules @<:@default=disabled@:>@]),
	131	[], [with_xz=no])
	132	AS_IF([test "x$with_xz" != "xno"], [
3d1bd339	133	PKG_CHECK_MODULES([liblzma], [liblzma >= 4.99], [LIBS="$LIBS $liblzma_LIBS"])
b182f8fb	134	AC_DEFINE([ENABLE_XZ], [1], [Enable Xz for modules.])
ecef7c13	135	module_compressions="xz $module_compressions"
b182f8fb JE	136	], [
	137	AC_MSG_NOTICE([Xz support not requested])
	138	])
4671e03e	139	CC_FEATURE_APPEND([with_features], [with_xz], [XZ])
b182f8fb	140
5a51a357 JE	141	AC_ARG_WITH([zlib],
	142	AS_HELP_STRING([--with-zlib], [handle gzipped modules @<:@default=disabled@:>@]),
	143	[], [with_zlib=no])
	144	AS_IF([test "x$with_zlib" != "xno"], [
3d1bd339	145	PKG_CHECK_MODULES([zlib], [zlib], [LIBS="$LIBS $zlib_LIBS"])
7b3a74fc	146	AC_DEFINE([ENABLE_ZLIB], [1], [Enable zlib for modules.])
ecef7c13	147	module_compressions="gzip $module_compressions"
cfb908bf LDM	148	], [
cfb908bf LDM	149	AC_MSG_NOTICE([zlib support not requested])
cfb908bf	150	])
4671e03e	151	CC_FEATURE_APPEND([with_features], [with_zlib], [ZLIB])
3d8226ed	152
391b4714 YK	153	AC_ARG_WITH([openssl],
	154	AS_HELP_STRING([--with-openssl], [handle PKCS7 signatures @<:@default=disabled@:>@]),
	155	[], [with_openssl=no])
	156	AS_IF([test "x$with_openssl" != "xno"], [
3d1bd339	157	PKG_CHECK_MODULES([libcrypto], [libcrypto >= 1.1.0], [LIBS="$LIBS $libcrypto_LIBS"])
391b4714	158	AC_DEFINE([ENABLE_OPENSSL], [1], [Enable openssl for modinfo.])
ecef7c13	159	module_signatures="PKCS7 $module_signatures"
391b4714 YK	160	], [
	161	AC_MSG_NOTICE([openssl support not requested])
	162	])
8e266b9e	163	CC_FEATURE_APPEND([with_features], [with_openssl], [LIBCRYPTO])
391b4714	164
80cf2c8f LDM	165	AC_ARG_WITH([bashcompletiondir],
	166	AS_HELP_STRING([--with-bashcompletiondir=DIR], [Bash completions directory]),
	167	[],
	168	[AS_IF([$($PKG_CONFIG --exists bash-completion)], [
	169	with_bashcompletiondir=$($PKG_CONFIG --variable=completionsdir bash-completion)
	170	] , [
	171	with_bashcompletiondir=${datadir}/bash-completion/completions
	172	])])
	173	AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])
3ef7208e LDM	174
	175	#####################################################################
	176	# --enable-
	177	#####################################################################
	178
013e8550 LDM	179	AC_ARG_ENABLE([experimental],
	180	AS_HELP_STRING([--enable-experimental], [enable experimental tools and features. Do not enable it unless you know what you are doing. @<:@default=disabled@:>@]),
	181	[], enable_experimental=no)
	182	AM_CONDITIONAL([BUILD_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
	183	AS_IF([test "x$enable_experimental" = "xyes"], [
	184	AC_DEFINE(ENABLE_EXPERIMENTAL, [1], [Experimental features.])
	185	])
4671e03e	186	CC_FEATURE_APPEND([with_features], [enable_experimental], [EXPERIMENTAL])
013e8550	187
3ef7208e LDM	188	AC_ARG_ENABLE([tools],
	189	AS_HELP_STRING([--disable-tools], [disable building tools that provide same functionality as module-init-tools @<:@default=enabled@:>@]),
	190	[], enable_tools=yes)
	191	AM_CONDITIONAL([BUILD_TOOLS], [test "x$enable_tools" = "xyes"])
	192
8631552d CW	193	AC_ARG_ENABLE([manpages],
	194	AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
	195	[], enable_manpages=yes)
	196	AM_CONDITIONAL([BUILD_MANPAGES], [test "x$enable_manpages" = "xyes"])
	197
23603f1f LDM	198	AC_ARG_ENABLE([test-modules],
	199	AS_HELP_STRING([--disable-test-modules], [disable building test modules during make check: cached modules will be used @<:@default=enabled@:>@]),
	200	[], enable_test_modules=yes)
	201	AM_CONDITIONAL([BUILD_MODULES], [test "x$enable_test_modules" = "xyes"])
	202
3ef7208e LDM	203	AC_ARG_ENABLE([logging],
	204	AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]),
	205	[], enable_logging=yes)
	206	AS_IF([test "x$enable_logging" = "xyes"], [
	207	AC_DEFINE(ENABLE_LOGGING, [1], [System logging.])
	208	])
	209
ecd40ee4 LDM	210	AC_ARG_ENABLE([debug],
	211	AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
	212	[], [enable_debug=no])
	213	AS_IF([test "x$enable_debug" = "xyes"], [
	214	AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
	215	])
	216
3a33a7a5 LDM	217	AC_ARG_ENABLE([python],
	218	AS_HELP_STRING([--enable-python], [enable Python libkmod bindings @<:@default=disabled@:>@]),
	219	[], [enable_python=no])
	220	AS_IF([test "x$enable_python" = "xyes"], [
	221	AM_PATH_PYTHON(,,[:])
	222	AC_PATH_PROG([CYTHON], [cython], [:])
	223
	224	PKG_CHECK_MODULES([PYTHON], [python-${PYTHON_VERSION}],
	225	[have_python=yes],
	226	[PKG_CHECK_MODULES([PYTHON], [python],
	227	[have_python=yes],
	228	[have_python=no])])
	229
	230	AS_IF([test "x$have_python" = xno],
	231	[AC_MSG_ERROR([*** python support requested but libraries not found])])
	232	])
	233	AM_CONDITIONAL([BUILD_PYTHON], [test "x$enable_python" = "xyes"])
	234
e9b0d1b4 LDM	235	AC_ARG_ENABLE([coverage],
	236	AS_HELP_STRING([--enable-coverage], [enable test coverage @<:@default=disabled@:>@]),
	237	[], [enable_coverage=no])
	238	AS_IF([test "x$enable_coverage" = "xyes"], [
	239	AC_CHECK_PROG(have_coverage, [lcov], [yes], [no])
	240	AS_IF([test "x$have_coverage" = xno],[
	241	AC_MSG_ERROR([*** lcov support requested but the program was not found])
	242	], [
	243	lcov_version_major="`lcov --version \| cut -d ' ' -f 4 \| cut -d '.' -f 1`"
	244	lcov_version_minor="`lcov --version \| cut -d ' ' -f 4 \| cut -d '.' -f 2`"
	245	AS_IF([test "$lcov_version_major" -lt 1 -o "$lcov_version_minor" -lt 10], [
	246	AC_MSG_ERROR([*** lcov version is too old. 1.10 required])
	247	], [
	248	have_coverage=yes
	249	CC_CHECK_FLAGS_APPEND([with_coverage_cflags], [CFLAGS], [\
	250	-fprofile-arcs \
	251	-ftest-coverage])
	252	])
	253	])
	254	])
	255	AM_CONDITIONAL([ENABLE_COVERAGE], [test "x$enable_coverage" = "xyes"])
	256
3ef7208e LDM	257	m4_ifdef([GTK_DOC_CHECK], [
	258	GTK_DOC_CHECK([1.14],[--flavour no-tmpl-flat])
	259	], [
	260	AM_CONDITIONAL([ENABLE_GTK_DOC], false)])
	261
3ef7208e LDM	262	#####################################################################
	263	# Default CFLAGS and LDFLAGS
	264	#####################################################################
6068aaae	265
e48f3765 LDM	266	CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
	267	-pipe \
	268	-DANOTHER_BRICK_IN_THE \
	269	-Wall \
	270	-W \
	271	-Wextra \
	272	-Wno-inline \
	273	-Wvla \
	274	-Wundef \
	275	-Wformat=2 \
	276	-Wlogical-op \
	277	-Wsign-compare \
	278	-Wformat-security \
	279	-Wmissing-include-dirs \
	280	-Wformat-nonliteral \
	281	-Wold-style-definition \
	282	-Wpointer-arith \
	283	-Winit-self \
	284	-Wdeclaration-after-statement \
	285	-Wfloat-equal \
	286	-Wmissing-prototypes \
	287	-Wstrict-prototypes \
	288	-Wredundant-decls \
	289	-Wmissing-declarations \
	290	-Wmissing-noreturn \
	291	-Wshadow \
	292	-Wendif-labels \
db62153e	293	-Wstrict-aliasing=3 \
e48f3765 LDM	294	-Wwrite-strings \
	295	-Wno-long-long \
	296	-Wno-overlength-strings \
	297	-Wno-unused-parameter \
	298	-Wno-missing-field-initializers \
	299	-Wno-unused-result \
	300	-Wnested-externs \
	301	-Wchar-subscripts \
	302	-Wtype-limits \
	303	-Wuninitialized \
	304	-fno-common \
	305	-fdiagnostics-show-option \
	306	-fvisibility=hidden \
	307	-ffunction-sections \
	308	-fdata-sections])
27bcc911	309	AC_SUBST([OUR_CFLAGS], "$with_cflags $with_coverage_cflags")
e48f3765	310
c677bf2c	311
e48f3765 LDM	312	CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [ \
e48f3765 LDM	313	-Wl,--as-needed \
a5f799af	314	-Wl,--no-undefined \
e48f3765	315	-Wl,--gc-sections])
84aaaedf	316	AC_SUBST([OUR_LDFLAGS], $with_ldflags)
3ef7208e	317
4671e03e LDM	318	AC_DEFINE_UNQUOTED(KMOD_FEATURES, ["$with_features"], [Features in this build])
4671e03e LDM	319
3ef7208e LDM	320	#####################################################################
	321	# Generate files from *.in
	322	#####################################################################
	323
ecef7c13 MS	324	AC_SUBST([module_compressions], $module_compressions)
	325	AC_SUBST([module_signatures], $module_signatures)
	326
ecd40ee4 LDM	327	AC_CONFIG_FILES([
ecd40ee4 LDM	328	Makefile
904b57d0	329	man/Makefile
646b83b8 LDM	330	libkmod/docs/Makefile
646b83b8 LDM	331	libkmod/docs/version.xml
e4c1a5b2 EV	332	libkmod/libkmod.pc
e4c1a5b2 EV	333	libkmod/python/kmod/version.py
ecef7c13	334	tools/kmod.pc
ecd40ee4 LDM	335	])
ecd40ee4 LDM	336
3ef7208e LDM	337
3ef7208e LDM	338	#####################################################################
646b83b8	339
ecd40ee4 LDM	340	AC_OUTPUT
	341	AC_MSG_RESULT([
	342	$PACKAGE $VERSION
80cf2c8f	343	=======
ecd40ee4	344
9d1fb317	345	module_directory: ${module_directory}
ecd40ee4 LDM	346	prefix: ${prefix}
ecd40ee4 LDM	347	sysconfdir: ${sysconfdir}
8463809f	348	distconfdir: ${distconfdir}
ecd40ee4	349	libdir: ${libdir}
e79bf83b	350	rootlibdir: ${rootlibdir}
ecd40ee4	351	includedir: ${includedir}
7c41c2dd	352	bindir: ${bindir}
80cf2c8f	353	Bash completions dir: ${with_bashcompletiondir}
ecd40ee4 LDM	354
ecd40ee4 LDM	355	compiler: ${CC}
e48f3765 LDM	356	cflags: ${with_cflags} ${CFLAGS}
e48f3765 LDM	357	ldflags: ${with_ldflags} ${LDFLAGS}
ecd40ee4	358
013e8550	359	experimental features: ${enable_experimental}
7c41c2dd	360	tools: ${enable_tools}
3a33a7a5	361	python bindings: ${enable_python}
ecd40ee4	362	logging: ${enable_logging}
3821e197	363	compression: zstd=${with_zstd} xz=${with_xz} zlib=${with_zlib}
ecd40ee4	364	debug: ${enable_debug}
e9b0d1b4	365	coverage: ${enable_coverage}
646b83b8	366	doc: ${enable_gtk_doc}
382de85c	367	man: ${enable_manpages}
23603f1f	368	test-modules: ${enable_test_modules}
4671e03e LDM	369
4671e03e LDM	370	features: ${with_features}
ecd40ee4	371	])