configure.ac

   1 AC_PREREQ(2.60)
   2 AC_INIT([kmod],
   3         [15],
   4         [linux-modules@vger.kernel.org],
   5         [kmod],
   6         [http://git.kernel.org/?p=utils/kernel/kmod/kmod.git])
   7
   8 AC_CONFIG_SRCDIR([libkmod/libkmod.c])
   9 AC_CONFIG_AUX_DIR([build-aux])
  10 AM_INIT_AUTOMAKE([check-news foreign 1.11 silent-rules
  11         tar-pax no-dist-gzip dist-xz subdir-objects color-tests parallel-tests])
  12 AC_PROG_CC_STDC
  13 AC_USE_SYSTEM_EXTENSIONS
  14 AC_SYS_LARGEFILE
  15 AC_CONFIG_MACRO_DIR([m4])
  16 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
  17 AM_SILENT_RULES([yes])
  18 LT_INIT([disable-static pic-only])
  19 AC_PREFIX_DEFAULT([/usr])
  20
  21 AS_IF([test "x$enable_static" = "xyes"],
  22       [AC_MSG_ERROR([--enable-static is not supported by kmod])])
  23
  24
  25 #####################################################################
  26 # Program checks and configurations
  27 #####################################################################
  28
  29 AC_PROG_CC
  30 AC_PROG_CC_C99
  31 AM_PROG_CC_C_O
  32 AC_PROG_GCC_TRADITIONAL
  33 AC_C_BIGENDIAN
  34
  35 AC_PROG_SED
  36 AC_PROG_MKDIR_P
  37 PKG_PROG_PKG_CONFIG
  38
  39
  40 #####################################################################
  41 # Function and structure checks
  42 #####################################################################
  43
  44 AC_CHECK_FUNCS_ONCE(__xstat)
  45 AC_CHECK_FUNCS_ONCE([__secure_getenv secure_getenv])
  46 AC_CHECK_FUNCS_ONCE([finit_module])
  47
  48 # dietlibc doesn't have st.st_mtim struct member
  49 AC_CHECK_MEMBERS([struct stat.st_mtim], [], [], [#include <sys/stat.h>])
  50
  51 # Check kernel headers
  52 AC_CHECK_HEADERS_ONCE([linux/module.h])
  53
  54 AC_MSG_CHECKING([whether _Static_assert() is supported])
  55 AC_COMPILE_IFELSE(
  56         [AC_LANG_SOURCE([[_Static_assert(1, "Test");]])],
  57         [AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define if _Static_assert() is available])
  58          AC_MSG_RESULT([yes])],
  59         [AC_MSG_RESULT([no])])
  60
  61 #####################################################################
  62 # --with-
  63 #####################################################################
  64
  65 AC_ARG_WITH([rootlibdir],
  66         AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]),
  67         [], [with_rootlibdir=$libdir])
  68 AC_SUBST([rootlibdir], [$with_rootlibdir])
  69
  70 AC_ARG_WITH([xz],
  71         AS_HELP_STRING([--with-xz], [handle Xz-compressed modules @<:@default=disabled@:>@]),
  72         [], [with_xz=no])
  73 AS_IF([test "x$with_xz" != "xno"], [
  74         PKG_CHECK_MODULES([liblzma], [liblzma >= 4.99])
  75         AC_DEFINE([ENABLE_XZ], [1], [Enable Xz for modules.])
  76 ], [
  77         AC_MSG_NOTICE([Xz support not requested])
  78 ])
  79
  80 AC_ARG_WITH([zlib],
  81         AS_HELP_STRING([--with-zlib], [handle gzipped modules @<:@default=disabled@:>@]),
  82         [], [with_zlib=no])
  83 AS_IF([test "x$with_zlib" != "xno"], [
  84         PKG_CHECK_MODULES([zlib], [zlib])
  85         AC_DEFINE([ENABLE_ZLIB], [1], [Enable zlib for modules.])
  86 ], [
  87         AC_MSG_NOTICE([zlib support not requested])
  88 ])
  89
  90 AC_ARG_WITH([bashcompletiondir],
  91         AS_HELP_STRING([--with-bashcompletiondir=DIR], [Bash completions directory]),
  92         [],
  93         [AS_IF([$($PKG_CONFIG --exists bash-completion)], [
  94                 with_bashcompletiondir=$($PKG_CONFIG --variable=completionsdir bash-completion)
  95         ] , [
  96                 with_bashcompletiondir=${datadir}/bash-completion/completions
  97         ])])
  98 AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])
  99
 100 #####################################################################
 101 # --enable-
 102 #####################################################################
 103
 104 AC_ARG_ENABLE([tools],
 105         AS_HELP_STRING([--disable-tools], [disable building tools that provide same functionality as module-init-tools @<:@default=enabled@:>@]),
 106         [], enable_tools=yes)
 107 AM_CONDITIONAL([BUILD_TOOLS], [test "x$enable_tools" = "xyes"])
 108
 109 AC_ARG_ENABLE([manpages],
 110         AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
 111         [], enable_manpages=yes)
 112 AM_CONDITIONAL([BUILD_MANPAGES], [test "x$enable_manpages" = "xyes"])
 113 AC_PATH_PROG([XSLTPROC], [xsltproc], [no])
 114 AS_IF([test "x$XSLTPROC" = "xno" && test "x$enable_manpages" = "xyes"], [
 115         AC_MSG_ERROR([xsltproc command not found, try ./configure --disable-manpages])
 116 ])
 117
 118 AC_ARG_ENABLE([logging],
 119         AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]),
 120         [], enable_logging=yes)
 121 AS_IF([test "x$enable_logging" = "xyes"], [
 122         AC_DEFINE(ENABLE_LOGGING, [1], [System logging.])
 123 ])
 124
 125 AC_ARG_ENABLE([debug],
 126         AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
 127         [], [enable_debug=no])
 128 AS_IF([test "x$enable_debug" = "xyes"], [
 129         AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
 130 ])
 131
 132 m4_ifdef([GTK_DOC_CHECK], [
 133 GTK_DOC_CHECK([1.14],[--flavour no-tmpl-flat])
 134 ], [
 135 AM_CONDITIONAL([ENABLE_GTK_DOC], false)])
 136
 137
 138 #####################################################################
 139 # Default CFLAGS and LDFLAGS
 140 #####################################################################
 141
 142 CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
 143                        -pipe \
 144                        -DANOTHER_BRICK_IN_THE \
 145                        -Wall \
 146                        -W \
 147                        -Wextra \
 148                        -Wno-inline \
 149                        -Wvla \
 150                        -Wundef \
 151                        -Wformat=2 \
 152                        -Wlogical-op \
 153                        -Wsign-compare \
 154                        -Wformat-security \
 155                        -Wmissing-include-dirs \
 156                        -Wformat-nonliteral \
 157                        -Wold-style-definition \
 158                        -Wpointer-arith \
 159                        -Winit-self \
 160                        -Wdeclaration-after-statement \
 161                        -Wfloat-equal \
 162                        -Wmissing-prototypes \
 163                        -Wstrict-prototypes \
 164                        -Wredundant-decls \
 165                        -Wmissing-declarations \
 166                        -Wmissing-noreturn \
 167                        -Wshadow \
 168                        -Wendif-labels \
 169                        -Wstrict-aliasing=2 \
 170                        -Wwrite-strings \
 171                        -Wno-long-long \
 172                        -Wno-overlength-strings \
 173                        -Wno-unused-parameter \
 174                        -Wno-missing-field-initializers \
 175                        -Wno-unused-result \
 176                        -Wnested-externs \
 177                        -Wchar-subscripts \
 178                        -Wtype-limits \
 179                        -Wuninitialized \
 180                        -fno-common \
 181                        -fdiagnostics-show-option \
 182                        -fdiagnostics-color=auto \
 183                        -fvisibility=hidden \
 184                        -ffunction-sections \
 185                        -fdata-sections])
 186 AC_SUBST([WARNINGFLAGS], $with_cflags)
 187
 188
 189 CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [ \
 190                        -Wl,--as-needed \
 191                        -Wl,--gc-sections])
 192 AC_SUBST([GCLDFLAGS], $with_ldflags)
 193
 194 #####################################################################
 195 # Generate files from *.in
 196 #####################################################################
 197
 198 AC_CONFIG_HEADERS(config.h)
 199 AC_CONFIG_FILES([
 200         Makefile
 201         man/Makefile
 202         libkmod/docs/Makefile
 203         libkmod/docs/version.xml
 204 ])
 205
 206
 207 #####################################################################
 208
 209 AC_OUTPUT
 210 AC_MSG_RESULT([
 211         $PACKAGE $VERSION
 212         =======
 213
 214         prefix:                 ${prefix}
 215         sysconfdir:             ${sysconfdir}
 216         libdir:                 ${libdir}
 217         rootlibdir:             ${rootlibdir}
 218         includedir:             ${includedir}
 219         bindir:                 ${bindir}
 220         Bash completions dir:   ${with_bashcompletiondir}
 221
 222         compiler:               ${CC}
 223         cflags:                 ${with_cflags} ${CFLAGS}
 224         ldflags:                ${with_ldflags} ${LDFLAGS}
 225
 226         tools:                  ${enable_tools}
 227         logging:                ${enable_logging}
 228         compression:            xz=${with_xz}  zlib=${with_zlib}
 229         debug:                  ${enable_debug}
 230         doc:                    ${enable_gtk_doc}
 231         man:                    ${enable_manpages}
 232 ])