configure.ac

   1 AC_PREREQ(2.60)
   2 AC_INIT([kmod],
   3         [6],
   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])
  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 #####################################################################
  22 # Program checks and configurations
  23 #####################################################################
  24
  25 AC_PROG_CC
  26 AC_PROG_CC_C99
  27 AC_C_TYPEOF
  28 AM_PROG_CC_C_O
  29 AC_PROG_GCC_TRADITIONAL
  30 AC_C_BIGENDIAN
  31
  32 AC_PROG_SED
  33 AC_PROG_MKDIR_P
  34 AC_PATH_PROG([XSLTPROC], [xsltproc])
  35 PKG_PROG_PKG_CONFIG
  36
  37
  38 #####################################################################
  39 # Function and structure checks
  40 #####################################################################
  41
  42 AC_CHECK_FUNCS_ONCE(__xstat)
  43
  44 # dietlibc doesn't have st.st_mtim struct member
  45 AC_CHECK_MEMBERS([struct stat.st_mtim], [], [], [#include <sys/stat.h>])
  46
  47
  48 #####################################################################
  49 # --with-
  50 #####################################################################
  51
  52 AC_ARG_WITH([rootprefix],
  53         AS_HELP_STRING([--with-rootprefix=DIR], [rootfs directory prefix for config files and kernel modules]),
  54         [], [with_rootprefix=""])
  55 AC_SUBST([rootprefix], [$with_rootprefix])
  56
  57 AC_ARG_WITH([rootlibdir],
  58         AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]),
  59         [], [with_rootlibdir=$libdir])
  60 AC_SUBST([rootlibdir], [$with_rootlibdir])
  61
  62 AC_ARG_WITH([xz],
  63         AS_HELP_STRING([--with-xz], [handle Xz-compressed modules @<:@default=disabled@:>@]),
  64         [], [with_xz=no])
  65 AS_IF([test "x$with_xz" != "xno"], [
  66         PKG_CHECK_MODULES([liblzma], [liblzma >= 4.99])
  67         AC_DEFINE([ENABLE_XZ], [1], [Enable Xz for modules.])
  68 ], [
  69         AC_MSG_NOTICE([Xz support not requested])
  70 ])
  71
  72 AC_ARG_WITH([zlib],
  73         AS_HELP_STRING([--with-zlib], [handle gzipped modules @<:@default=disabled@:>@]),
  74         [], [with_zlib=no])
  75 AS_IF([test "x$with_zlib" != "xno"], [
  76         PKG_CHECK_MODULES([zlib], [zlib])
  77         AC_DEFINE([ENABLE_ZLIB], [1], [Enable zlib for modules.])
  78 ], [
  79         AC_MSG_NOTICE([zlib support not requested])
  80 ])
  81
  82
  83 #####################################################################
  84 # --enable-
  85 #####################################################################
  86
  87 AC_ARG_ENABLE([tools],
  88         AS_HELP_STRING([--disable-tools], [disable building tools that provide same functionality as module-init-tools @<:@default=enabled@:>@]),
  89         [], enable_tools=yes)
  90 AM_CONDITIONAL([BUILD_TOOLS], [test "x$enable_tools" = "xyes"])
  91
  92 AC_ARG_ENABLE([logging],
  93         AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]),
  94         [], enable_logging=yes)
  95 AS_IF([test "x$enable_logging" = "xyes"], [
  96         AC_DEFINE(ENABLE_LOGGING, [1], [System logging.])
  97 ])
  98
  99 AC_ARG_ENABLE([debug],
 100         AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
 101         [], [enable_debug=no])
 102 AS_IF([test "x$enable_debug" = "xyes"], [
 103         AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
 104 ])
 105
 106 m4_ifdef([GTK_DOC_CHECK], [
 107 GTK_DOC_CHECK([1.14],[--flavour no-tmpl-flat])
 108 ], [
 109 AM_CONDITIONAL([ENABLE_GTK_DOC], false)])
 110
 111
 112 #####################################################################
 113 # Default CFLAGS and LDFLAGS
 114 #####################################################################
 115
 116 CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
 117                        -pipe \
 118                        -DANOTHER_BRICK_IN_THE \
 119                        -Wall \
 120                        -W \
 121                        -Wextra \
 122                        -Wno-inline \
 123                        -Wvla \
 124                        -Wundef \
 125                        -Wformat=2 \
 126                        -Wlogical-op \
 127                        -Wsign-compare \
 128                        -Wformat-security \
 129                        -Wmissing-include-dirs \
 130                        -Wformat-nonliteral \
 131                        -Wold-style-definition \
 132                        -Wpointer-arith \
 133                        -Winit-self \
 134                        -Wdeclaration-after-statement \
 135                        -Wfloat-equal \
 136                        -Wmissing-prototypes \
 137                        -Wstrict-prototypes \
 138                        -Wredundant-decls \
 139                        -Wmissing-declarations \
 140                        -Wmissing-noreturn \
 141                        -Wshadow \
 142                        -Wendif-labels \
 143                        -Wstrict-aliasing=2 \
 144                        -Wwrite-strings \
 145                        -Wno-long-long \
 146                        -Wno-overlength-strings \
 147                        -Wno-unused-parameter \
 148                        -Wno-missing-field-initializers \
 149                        -Wno-unused-result \
 150                        -Wnested-externs \
 151                        -Wchar-subscripts \
 152                        -Wtype-limits \
 153                        -Wuninitialized \
 154                        -fno-common \
 155                        -fdiagnostics-show-option \
 156                        -fvisibility=hidden \
 157                        -ffunction-sections \
 158                        -fdata-sections])
 159 AC_SUBST([WARNINGFLAGS], $with_cflags)
 160
 161
 162 CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [ \
 163                        -Wl,--as-needed \
 164                        -Wl,--gc-sections])
 165 AC_SUBST([GCLDFLAGS], $with_ldflags)
 166
 167 #####################################################################
 168 # Generate files from *.in
 169 #####################################################################
 170
 171 AC_CONFIG_HEADERS(config.h)
 172 AC_CONFIG_FILES([
 173         Makefile
 174         man/Makefile
 175         libkmod/docs/Makefile
 176         libkmod/docs/version.xml
 177 ])
 178
 179
 180 #####################################################################
 181
 182 AC_OUTPUT
 183 AC_MSG_RESULT([
 184         $PACKAGE $VERSION
 185         ======
 186
 187         prefix:                 ${prefix}
 188         rootprefix:             ${rootprefix}
 189         sysconfdir:             ${sysconfdir}
 190         libdir:                 ${libdir}
 191         rootlibdir:             ${rootlibdir}
 192         includedir:             ${includedir}
 193         bindir:                 ${bindir}
 194
 195         compiler:               ${CC}
 196         cflags:                 ${with_cflags} ${CFLAGS}
 197         ldflags:                ${with_ldflags} ${LDFLAGS}
 198
 199         tools:                  ${enable_tools}
 200         logging:                ${enable_logging}
 201         compression:            xz=${with_xz}  zlib=${with_zlib}
 202         debug:                  ${enable_debug}
 203         doc:                    ${enable_gtk_doc}
 204 ])