mirror of
https://github.com/AuxXxilium/kmod.git
synced 2024-12-24 02:19:40 +07:00
db62153ea0
With -Wstrict-aliasing=2 we get the following warning: libkmod/libkmod-signature.c:124:20: note: in expansion of macro 'get_unaligned' sig_len = be32toh(get_unaligned(&modsig->sig_len)); However there's nothing wrong with it. modsig->sig_len is uint32_t and get_unaligned in this case returns uint32_t. There's notstrict aliasing violation.
231 lines
6.7 KiB
Plaintext
231 lines
6.7 KiB
Plaintext
AC_PREREQ(2.60)
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AC_INIT([kmod],
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[16],
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[linux-modules@vger.kernel.org],
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[kmod],
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[http://git.kernel.org/?p=utils/kernel/kmod/kmod.git])
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AC_CONFIG_SRCDIR([libkmod/libkmod.c])
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AC_CONFIG_AUX_DIR([build-aux])
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AM_INIT_AUTOMAKE([check-news foreign 1.11 silent-rules
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tar-pax no-dist-gzip dist-xz subdir-objects color-tests parallel-tests])
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AC_PROG_CC_STDC
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AC_USE_SYSTEM_EXTENSIONS
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AC_SYS_LARGEFILE
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AC_CONFIG_MACRO_DIR([m4])
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m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
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AM_SILENT_RULES([yes])
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LT_INIT([disable-static pic-only])
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AC_PREFIX_DEFAULT([/usr])
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AM_MAINTAINER_MODE([enable])
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AS_IF([test "x$enable_static" = "xyes"],
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[AC_MSG_ERROR([--enable-static is not supported by kmod])])
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#####################################################################
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# Program checks and configurations
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#####################################################################
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AC_PROG_CC
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AC_PROG_CC_C99
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AM_PROG_CC_C_O
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AC_PROG_GCC_TRADITIONAL
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AC_C_BIGENDIAN
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AC_PROG_SED
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AC_PROG_MKDIR_P
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PKG_PROG_PKG_CONFIG
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AC_PATH_PROG([XSLTPROC], [xsltproc])
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#####################################################################
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# Function and structure checks
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#####################################################################
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AC_CHECK_FUNCS_ONCE(__xstat)
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AC_CHECK_FUNCS_ONCE([__secure_getenv secure_getenv])
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AC_CHECK_FUNCS_ONCE([finit_module])
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# dietlibc doesn't have st.st_mtim struct member
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AC_CHECK_MEMBERS([struct stat.st_mtim], [], [], [#include <sys/stat.h>])
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# Check kernel headers
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AC_CHECK_HEADERS_ONCE([linux/module.h])
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AC_MSG_CHECKING([whether _Static_assert() is supported])
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AC_COMPILE_IFELSE(
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[AC_LANG_SOURCE([[_Static_assert(1, "Test");]])],
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[AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define if _Static_assert() is available])
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AC_MSG_RESULT([yes])],
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[AC_MSG_RESULT([no])])
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#####################################################################
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# --with-
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#####################################################################
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AC_ARG_WITH([rootlibdir],
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AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]),
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[], [with_rootlibdir=$libdir])
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AC_SUBST([rootlibdir], [$with_rootlibdir])
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AC_ARG_WITH([xz],
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AS_HELP_STRING([--with-xz], [handle Xz-compressed modules @<:@default=disabled@:>@]),
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[], [with_xz=no])
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AS_IF([test "x$with_xz" != "xno"], [
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PKG_CHECK_MODULES([liblzma], [liblzma >= 4.99])
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AC_DEFINE([ENABLE_XZ], [1], [Enable Xz for modules.])
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], [
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AC_MSG_NOTICE([Xz support not requested])
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])
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AC_ARG_WITH([zlib],
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AS_HELP_STRING([--with-zlib], [handle gzipped modules @<:@default=disabled@:>@]),
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[], [with_zlib=no])
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AS_IF([test "x$with_zlib" != "xno"], [
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PKG_CHECK_MODULES([zlib], [zlib])
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AC_DEFINE([ENABLE_ZLIB], [1], [Enable zlib for modules.])
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], [
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AC_MSG_NOTICE([zlib support not requested])
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])
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AC_ARG_WITH([bashcompletiondir],
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AS_HELP_STRING([--with-bashcompletiondir=DIR], [Bash completions directory]),
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[],
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[AS_IF([$($PKG_CONFIG --exists bash-completion)], [
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with_bashcompletiondir=$($PKG_CONFIG --variable=completionsdir bash-completion)
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] , [
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with_bashcompletiondir=${datadir}/bash-completion/completions
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])])
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AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])
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#####################################################################
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# --enable-
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#####################################################################
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AC_ARG_ENABLE([tools],
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AS_HELP_STRING([--disable-tools], [disable building tools that provide same functionality as module-init-tools @<:@default=enabled@:>@]),
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[], enable_tools=yes)
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AM_CONDITIONAL([BUILD_TOOLS], [test "x$enable_tools" = "xyes"])
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AC_ARG_ENABLE([manpages],
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AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
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[], enable_manpages=yes)
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AM_CONDITIONAL([BUILD_MANPAGES], [test "x$enable_manpages" = "xyes"])
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AC_ARG_ENABLE([logging],
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AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]),
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[], enable_logging=yes)
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AS_IF([test "x$enable_logging" = "xyes"], [
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AC_DEFINE(ENABLE_LOGGING, [1], [System logging.])
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])
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AC_ARG_ENABLE([debug],
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AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
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[], [enable_debug=no])
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AS_IF([test "x$enable_debug" = "xyes"], [
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AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
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])
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m4_ifdef([GTK_DOC_CHECK], [
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GTK_DOC_CHECK([1.14],[--flavour no-tmpl-flat])
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], [
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AM_CONDITIONAL([ENABLE_GTK_DOC], false)])
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#####################################################################
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# Default CFLAGS and LDFLAGS
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#####################################################################
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CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
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-pipe \
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-DANOTHER_BRICK_IN_THE \
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-Wall \
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-W \
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-Wextra \
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-Wno-inline \
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-Wvla \
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-Wundef \
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-Wformat=2 \
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-Wlogical-op \
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-Wsign-compare \
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-Wformat-security \
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-Wmissing-include-dirs \
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-Wformat-nonliteral \
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-Wold-style-definition \
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-Wpointer-arith \
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-Winit-self \
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-Wdeclaration-after-statement \
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-Wfloat-equal \
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-Wmissing-prototypes \
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-Wstrict-prototypes \
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-Wredundant-decls \
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-Wmissing-declarations \
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-Wmissing-noreturn \
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-Wshadow \
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-Wendif-labels \
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-Wstrict-aliasing=3 \
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-Wwrite-strings \
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-Wno-long-long \
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-Wno-overlength-strings \
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-Wno-unused-parameter \
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-Wno-missing-field-initializers \
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-Wno-unused-result \
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-Wnested-externs \
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-Wchar-subscripts \
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-Wtype-limits \
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-Wuninitialized \
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-fno-common \
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-fdiagnostics-show-option \
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-fdiagnostics-color=auto \
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-fvisibility=hidden \
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-ffunction-sections \
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-fdata-sections])
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AC_SUBST([WARNINGFLAGS], $with_cflags)
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CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [ \
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-Wl,--as-needed \
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-Wl,--gc-sections])
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AC_SUBST([GCLDFLAGS], $with_ldflags)
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#####################################################################
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# Generate files from *.in
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#####################################################################
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AC_CONFIG_HEADERS(config.h)
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AC_CONFIG_FILES([
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Makefile
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man/Makefile
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libkmod/docs/Makefile
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libkmod/docs/version.xml
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])
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#####################################################################
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AC_OUTPUT
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AC_MSG_RESULT([
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$PACKAGE $VERSION
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=======
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prefix: ${prefix}
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sysconfdir: ${sysconfdir}
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libdir: ${libdir}
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rootlibdir: ${rootlibdir}
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includedir: ${includedir}
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bindir: ${bindir}
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Bash completions dir: ${with_bashcompletiondir}
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compiler: ${CC}
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cflags: ${with_cflags} ${CFLAGS}
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ldflags: ${with_ldflags} ${LDFLAGS}
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tools: ${enable_tools}
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logging: ${enable_logging}
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compression: xz=${with_xz} zlib=${with_zlib}
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debug: ${enable_debug}
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doc: ${enable_gtk_doc}
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man: ${enable_manpages}
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])
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