configure.ac

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