configure.ac

   1 AC_INIT
   2 AC_CONFIG_SRCDIR([version.h])
   3 AC_PREREQ([2.71])
   4 AC_CONFIG_AUX_DIR(config)
   5 AC_CONFIG_HEADERS([lib/config.h])
   6 AH_BOTTOM([#include <dirpaths.h>])
   7 AC_USE_SYSTEM_EXTENSIONS
   8 MCONFIG=./MCONFIG
   9 AC_SUBST_FILE(MCONFIG)
  10 BINARY_TYPE=bin
  11 dnl
  12 dnl This is to figure out the version number and the date....
  13 dnl
  14 E2FSPROGS_VERSION=`awk -F\" '/E2FSPROGS_VERS/ { print $2 }' ${srcdir}/version.h`
  15 E2FSPROGS_DATE=`awk -F\" '/E2FSPROGS_DATE/ { print $2 }' ${srcdir}/version.h`
  16 E2FSPROGS_DAY=$(echo $E2FSPROGS_DATE | awk -F- '{ printf "%02d", $1 }')
  17 MONTH=`echo $E2FSPROGS_DATE | awk -F- '{print $2}'`
  18 YEAR=`echo $E2FSPROGS_DATE | awk -F- '{print $3}'`
  19
  20 if expr $YEAR ">" 1900 > /dev/null ; then
  21         E2FSPROGS_YEAR=$YEAR
  22 elif expr $YEAR ">" 90 >/dev/null ; then
  23         E2FSPROGS_YEAR=19$YEAR
  24 else
  25         E2FSPROGS_YEAR=20$YEAR
  26 fi
  27
  28 case $MONTH in
  29 Jan)    MONTH_NUM=01; E2FSPROGS_MONTH="January" ;;
  30 Feb)    MONTH_NUM=02; E2FSPROGS_MONTH="February" ;;
  31 Mar)    MONTH_NUM=03; E2FSPROGS_MONTH="March" ;;
  32 Apr)    MONTH_NUM=04; E2FSPROGS_MONTH="April" ;;
  33 May)    MONTH_NUM=05; E2FSPROGS_MONTH="May" ;;
  34 Jun)    MONTH_NUM=06; E2FSPROGS_MONTH="June" ;;
  35 Jul)    MONTH_NUM=07; E2FSPROGS_MONTH="July" ;;
  36 Aug)    MONTH_NUM=08; E2FSPROGS_MONTH="August" ;;
  37 Sep)    MONTH_NUM=09; E2FSPROGS_MONTH="September" ;;
  38 Oct)    MONTH_NUM=10; E2FSPROGS_MONTH="October" ;;
  39 Nov)    MONTH_NUM=11; E2FSPROGS_MONTH="November" ;;
  40 Dec)    MONTH_NUM=12; E2FSPROGS_MONTH="December" ;;
  41 *)      AC_MSG_WARN([Unknown month $MONTH??]) ;;
  42 esac
  43
  44 base_ver=`echo $E2FSPROGS_VERSION | sed -e 's/pre-//' -e 's/-.*//'`
  45 base_rel=`echo $E2FSPROGS_VERSION | awk -F- '{ print $2 }'`
  46
  47 date_spec=${E2FSPROGS_YEAR}.${MONTH_NUM}.${E2FSPROGS_DAY}
  48
  49 case $E2FSPROGS_VERSION in
  50 *-WIP|pre-*)
  51         E2FSPROGS_PKGVER="$base_ver"
  52         E2FSPROGS_PKGREL="WIP.$date_spec"
  53         ;;
  54 *)
  55         E2FSPROGS_PKGVER="$base_ver"
  56         E2FSPROGS_PKGREL="$base_rel"
  57         ;;
  58 esac
  59
  60 unset DATE MONTH YEAR base_ver pre_vers date_spec
  61 AC_MSG_RESULT([Generating configuration file for e2fsprogs version $E2FSPROGS_VERSION])
  62 AC_MSG_RESULT([Package version ${E2FSPROGS_PKGVER} release ${E2FSPROGS_PKGREL}])
  63 AC_MSG_RESULT([Release date is ${E2FSPROGS_MONTH}, ${E2FSPROGS_YEAR}])
  64 AC_SUBST(E2FSPROGS_YEAR)
  65 AC_SUBST(E2FSPROGS_MONTH)
  66 AC_SUBST(E2FSPROGS_DAY)
  67 AC_SUBST(E2FSPROGS_VERSION)
  68 AC_SUBST(E2FSPROGS_PKGREL)
  69 AC_SUBST(E2FSPROGS_PKGVER)
  70 AC_SUBST(E2FSPROGS_DATE)
  71 dnl
  72 dnl Use diet libc
  73 dnl
  74 WITH_DIET_LIBC=
  75 AC_ARG_WITH([diet-libc],
  76 AS_HELP_STRING([--with-diet-libc],[use diet libc]),
  77 CC="diet cc -nostdinc"
  78 WITH_DIET_LIBC=yes
  79 if test -z "$LIBS"
  80 then
  81         LIBS="-lcompat"
  82 else
  83         LIBS="$LIBS -lcompat"
  84 fi
  85 AC_MSG_RESULT(CC=$CC))dnl
  86 dnl
  87 AC_CANONICAL_HOST
  88 dnl
  89 dnl Check to see if libdl exists for the sake of dlopen
  90 dnl
  91 DLOPEN_LIB=''
  92 AC_CHECK_LIB(dl, dlopen,DLOPEN_LIB=-ldl)
  93 AC_SUBST(DLOPEN_LIB)
  94 dnl
  95 AC_ARG_WITH([cc],
  96 AS_HELP_STRING([--with-cc],[no longer supported, use CC= instead]),
  97 AC_MSG_ERROR([--with-cc no longer supported; use CC= instead]))
  98 dnl
  99 AC_ARG_WITH([ccopts],
 100 AS_HELP_STRING([--with-ccopts],[no longer supported, use CFLAGS= instead]),
 101 AC_MSG_ERROR([--with-ccopts no longer supported; use CFLAGS= instead]))
 102 dnl
 103 AC_ARG_WITH([ldopts],
 104 AS_HELP_STRING([--with-ldopts],[no longer supported, use LDFLAGS= instead]),
 105 AC_MSG_ERROR([--with-ldopts no longer supported; use LDFLAGS= instead]))
 106 dnl
 107 AC_PROG_CC
 108 if test "$GCC" = yes; then
 109    RDYNAMIC="-rdynamic"
 110    AC_SUBST(RDYNAMIC)
 111 fi
 112 AC_PROG_CPP
 113 dnl
 114 dnl Alpha computers use fast and imprecise floating point code that may
 115 dnl miss exceptions by default. Force sane options if we're using GCC.
 116 AC_MSG_CHECKING(for additional special compiler flags)
 117 if test "$GCC" = yes
 118 then
 119     case "$host_cpu" in
 120         alpha)          addcflags="-mieee" ;;
 121     esac
 122 fi
 123 if test "x$addcflags" != x
 124 then
 125     AC_MSG_RESULT($addcflags)
 126     CFLAGS="$addcflags $CFLAGS"
 127 else
 128     AC_MSG_RESULT([[(none)]])
 129 fi
 130 dnl
 131 dnl Set default values for library extensions.  Will be dealt with after
 132 dnl parsing configuration options, which may modify these
 133 dnl
 134 LIB_EXT=.a
 135 STATIC_LIB_EXT=.a
 136 PROFILED_LIB_EXT=.a
 137 dnl
 138 dnl Allow separate `root_prefix' to be specified
 139 dnl
 140 AC_ARG_WITH([root-prefix],
 141 AS_HELP_STRING([--with-root-prefix=PREFIX],[override prefix variable for files to be placed in the root]),
 142 root_prefix=$withval,
 143 root_prefix=NONE)dnl
 144 dnl
 145 dnl handle --enable-maintainer-mode
 146 dnl
 147 AC_ARG_ENABLE([maintainer-mode],
 148 AS_HELP_STRING([--enable-maintainer-mode],[enable makefile rules useful for maintainers]),
 149 if test "$enableval" = "no"
 150 then
 151         MAINTAINER_CMT=#
 152         AC_MSG_RESULT([Disabling maintainer mode])
 153 else
 154         MAINTAINER_CMT=
 155         AC_MSG_RESULT([Enabling maintainer mode])
 156 fi
 157 ,
 158 MAINTAINER_CMT=#
 159 AC_MSG_RESULT([Disabling maintainer mode by default])
 160 )
 161 AC_SUBST(MAINTAINER_CMT)
 162 dnl
 163 dnl handle --enable-symlink-install
 164 dnl
 165 AC_ARG_ENABLE([symlink-install],
 166 AS_HELP_STRING([--enable-symlink-install],[use symlinks when installing instead of hard links]),
 167 if test "$enableval" = "no"
 168 then
 169         LINK_INSTALL_FLAGS=-f
 170         AC_MSG_RESULT([Disabling symlinks for install])
 171 else
 172         LINK_INSTALL_FLAGS=-sf
 173         AC_MSG_RESULT([Enabling symlinks for install])
 174 fi
 175 ,
 176 LINK_INSTALL_FLAGS=-f
 177 AC_MSG_RESULT([Disabling symlinks for install by default])
 178 )
 179 AC_SUBST(LINK_INSTALL_FLAGS)
 180 dnl
 181 dnl handle --enable-relative-symlinks
 182 dnl
 183 relative_symlink_defined=
 184 AC_ARG_ENABLE([relative-symlinks],
 185 AS_HELP_STRING([--enable-relative-symlinks],[use relative symlinks when installing]),
 186 if test "$enableval" = "no"
 187 then
 188         SYMLINK_RELATIVE=
 189         relative_symlink_defined=yes
 190         AC_MSG_RESULT([Disabling relative symlinks for install])
 191 else
 192         SYMLINK_RELATIVE=--relative
 193         relative_symlink_defined=yes
 194         AC_MSG_RESULT([Enabling relative symlinks for install])
 195 fi)
 196 AC_ARG_ENABLE([symlink-relative-symlinks],,
 197 if test "$enableval" = "no"
 198 then
 199         SYMLINK_RELATIVE=yes
 200         AC_MSG_RESULT([Disabling relative symlinks for install])
 201 else
 202         SYMLINK_RELATIVE=--relative
 203         AC_MSG_RESULT([Enabling relative symlinks for install])
 204 fi
 205 ,
 206 if test -z "$relative_symlink_defined"
 207 then
 208         SYMLINK_RELATIVE=
 209 AC_MSG_RESULT([Disabling relative symlinks for install by default])
 210 fi
 211 )
 212 AC_SUBST(SYMLINK_RELATIVE)
 213 dnl
 214 dnl handle --enable-symlink-build
 215 dnl
 216 AC_ARG_ENABLE([symlink-build],
 217 AS_HELP_STRING([--enable-symlink-build],[use symlinks while building instead of hard links]),
 218 if test "$enableval" = "no"
 219 then
 220         LINK_BUILD_FLAGS=
 221         AC_MSG_RESULT([Disabling symlinks for build])
 222 else
 223         LINK_BUILD_FLAGS=-s
 224         AC_MSG_RESULT([Enabling symlinks for build])
 225 fi
 226 ,
 227 LINK_BUILD_FLAGS=
 228 AC_MSG_RESULT([Disabling symlinks for build by default])
 229 )
 230 AC_SUBST(LINK_BUILD_FLAGS)
 231 dnl
 232 dnl handle --enable-verbose-makecmds
 233 dnl
 234 AC_ARG_ENABLE([verbose-makecmds],
 235 AS_HELP_STRING([--enable-verbose-makecmds],[enable verbose make command output]),
 236 if test "$enableval" = "no"
 237 then
 238         AC_MSG_RESULT([Disabling verbose make commands])
 239         E=@echo
 240         ES=echo
 241         Q=@
 242 else
 243         AC_MSG_RESULT([Enabling verbose make commands])
 244         E=@\\#
 245         ES=\\#
 246         Q=
 247 fi
 248 ,
 249 AC_MSG_RESULT([Disabling verbose make commands])
 250 E=@echo
 251 ES=echo
 252 Q=@
 253 )
 254 AC_SUBST(E)
 255 AC_SUBST(ES)
 256 AC_SUBST(Q)
 257 dnl
 258 dnl This needs to be before all of the --enable-*-shlibs options
 259 dnl
 260 E2_PKG_CONFIG_STATIC=--static
 261 LDFLAG_DYNAMIC=
 262 PRIVATE_LIBS_CMT=
 263 dnl
 264 dnl handle --enable-elf-shlibs
 265 dnl
 266 AC_ARG_ENABLE([elf-shlibs],
 267 AS_HELP_STRING([--enable-elf-shlibs],[select ELF shared libraries]),
 268 if test "$enableval" = "no"
 269 then
 270         ELF_CMT=#
 271         MAKEFILE_ELF=/dev/null
 272         AC_MSG_RESULT([Disabling ELF shared libraries])
 273 else
 274         E2_PKG_CONFIG_STATIC=
 275         ELF_CMT=
 276         MAKEFILE_ELF=$srcdir/lib/Makefile.elf-lib
 277         [case "$host_os" in
 278         solaris2.*)
 279                 MAKEFILE_ELF=$srcdir/lib/Makefile.solaris-lib
 280         ;;
 281         esac]
 282         BINARY_TYPE=elfbin
 283         LIB_EXT=.so
 284         PRIVATE_LIBS_CMT=#
 285         LDFLAG_DYNAMIC=['-Wl,-rpath-link,$(top_builddir)/lib']
 286         AC_MSG_RESULT([Enabling ELF shared libraries])
 287 fi
 288 ,
 289 MAKEFILE_ELF=/dev/null
 290 ELF_CMT=#
 291 AC_MSG_RESULT([Disabling ELF shared libraries by default])
 292 )
 293 AC_SUBST(ELF_CMT)
 294 AC_SUBST_FILE(MAKEFILE_ELF)
 295 dnl
 296 dnl handle --enable-bsd-shlibs
 297 dnl
 298 AC_ARG_ENABLE([bsd-shlibs],
 299 AS_HELP_STRING([--enable-bsd-shlibs],[select BSD shared libraries]),
 300 if test "$enableval" = "no"
 301 then
 302         BSDLIB_CMT=#
 303         MAKEFILE_BSDLIB=/dev/null
 304         AC_MSG_RESULT([Disabling BSD shared libraries])
 305 else
 306         E2_PKG_CONFIG_STATIC=
 307         BSDLIB_CMT=
 308         MAKEFILE_BSDLIB=$srcdir/lib/Makefile.bsd-lib
 309         LIB_EXT=.so
 310         [case "$host_os" in
 311         darwin*)
 312                 MAKEFILE_BSDLIB=$srcdir/lib/Makefile.darwin-lib
 313                 LIB_EXT=.dylib
 314         ;;
 315         esac]
 316         AC_MSG_RESULT([Enabling BSD shared libraries])
 317 fi
 318 ,
 319 MAKEFILE_BSDLIB=/dev/null
 320 BSDLIB_CMT=#
 321 AC_MSG_RESULT([Disabling BSD shared libraries by default])
 322 )
 323 AC_SUBST(BSDLIB_CMT)
 324 AC_SUBST_FILE(MAKEFILE_BSDLIB)
 325 dnl
 326 dnl handle --enable-profile
 327 dnl
 328 AC_ARG_ENABLE([profile],
 329 AS_HELP_STRING([--enable-profile],[build profiling libraries]),
 330 if test "$enableval" = "no"
 331 then
 332         PROFILE_CMT=#
 333         MAKEFILE_PROFILE=/dev/null
 334         AC_MSG_RESULT([Disabling profiling libraries])
 335 else
 336         PROFILE_CMT=
 337         MAKEFILE_PROFILE=$srcdir/lib/Makefile.profile
 338         PROFILED_LIB_EXT=_p.a
 339         AC_MSG_RESULT([Building profiling libraries])
 340 fi
 341 ,
 342 PROFILE_CMT=#
 343 MAKEFILE_PROFILE=/dev/null
 344 AC_MSG_RESULT([Disabling profiling libraries by default])
 345 )
 346 AC_SUBST(PROFILE_CMT)
 347 AC_SUBST_FILE(MAKEFILE_PROFILE)
 348 dnl
 349 dnl handle --enable-gcov
 350 dnl
 351 AC_ARG_ENABLE([gcov],
 352 AS_HELP_STRING([--enable-gcov],[build for coverage testing using gcov]),
 353 if test "$enableval" = "yes"
 354 then
 355         CFLAGS="-g -fprofile-arcs -ftest-coverage"
 356         LDFLAGS="-fprofile-arcs -ftest-coverage"
 357         AC_MSG_RESULT([Enabling gcov support])
 358 fi
 359 )
 360 dnl
 361 dnl handle --enable-hardening
 362 dnl
 363 CFLAGS_SHLIB="${CFLAGS_SHLIB:-$CFLAGS}"
 364 CFLAGS_STLIB="${CFLAGS_STLIB:-$CFLAGS}"
 365 LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
 366 LDFLAGS_STATIC=${LDFLAGS_STATIC:-$LDFLAGS}
 367 AC_ARG_ENABLE([hardening],
 368 AS_HELP_STRING([--enable-hardening],[build for coverage testing using gcov]),
 369 if test "$enableval" = "yes"
 370 then
 371         HARDEN_CFLAGS="-D_FORTIFY_SOURCE=2 -fstack-protector-strong"
 372         HARDEN_LDFLAGS=["-Wl,-z,relro -Wl,-z,now"]
 373         CFLAGS="$CFLAGS $HARDEN_CFLAGS -fPIE"
 374         CFLAGS_SHLIB="$CFLAGS_SHLIB $HARDEN_CFLAGS"
 375         CFLAGS_STLIB="$CFLAGS_STLIB $HARDEN_CFLAGS -fPIE"
 376         LDFLAGS="$LDFLAGS $HARDEN_LDFLAGS -fPIE -pie"
 377         LDFLAGS_STATIC="$LDFLAGS_STATIC $HARDEN_LDFLAGS"
 378         LDFLAGS_SHLIB="$LDFLAGS_SHLIB $HARDEN_LDFLAGS"
 379         AC_MSG_RESULT([Enabling hardening support])
 380 fi
 381 )
 382 dnl
 383 dnl Substitute library extensions
 384 dnl
 385 AC_SUBST(LIB_EXT)
 386 AC_SUBST(STATIC_LIB_EXT)
 387 AC_SUBST(PROFILED_LIB_EXT)
 388 AC_SUBST(LDFLAG_DYNAMIC)
 389 AC_SUBST(PRIVATE_LIBS_CMT)
 390 dnl
 391 dnl handle --enable-jbd-debug
 392 dnl
 393 AC_ARG_ENABLE([jbd-debug],
 394 AS_HELP_STRING([--enable-jbd-debug],[enable journal debugging]),
 395 if test "$enableval" = "no"
 396 then
 397         AC_MSG_RESULT([Disabling journal debugging])
 398 else
 399         AC_DEFINE(CONFIG_JBD_DEBUG, 1,
 400                 [Define to 1 if debugging ext3/4 journal code])
 401         AC_MSG_RESULT([Enabling journal debugging])
 402 fi
 403 ,
 404 AC_MSG_RESULT([Disabling journal debugging by default])
 405 )
 406 dnl
 407 dnl handle --enable-blkid-debug
 408 dnl
 409 AC_ARG_ENABLE([blkid-debug],
 410 AS_HELP_STRING([--enable-blkid-debug],[enable blkid debugging]),
 411 if test "$enableval" = "no"
 412 then
 413         AC_MSG_RESULT([Disabling blkid debugging])
 414 else
 415         AC_DEFINE(CONFIG_BLKID_DEBUG, 1,
 416                 [Define to 1 if debugging the blkid library])
 417         AC_MSG_RESULT([Enabling blkid debugging])
 418 fi
 419 ,
 420 AC_MSG_RESULT([Disabling blkid debugging by default])
 421 )
 422 dnl
 423 dnl handle --enable-testio-debug
 424 dnl
 425 AC_ARG_ENABLE([testio-debug],
 426 AS_HELP_STRING([--disable-testio-debug],[disable the use of the test I/O manager for debugging]),
 427 AH_TEMPLATE([CONFIG_TESTIO_DEBUG],
 428         [Define to 1 if the testio I/O manager should be enabled])
 429 if test "$enableval" = "no"
 430 then
 431         AC_MSG_RESULT([Disabling testio debugging])
 432         TEST_IO_CMT="#"
 433 else
 434         TEST_IO_CMT=
 435         AC_DEFINE(CONFIG_TESTIO_DEBUG, 1)
 436         AC_MSG_RESULT([Enabling testio debugging])
 437 fi
 438 ,
 439 AC_MSG_RESULT([Enabling testio debugging by default])
 440 AC_DEFINE(CONFIG_TESTIO_DEBUG, 1)
 441 TEST_IO_CMT=
 442 )
 443 AC_SUBST(TEST_IO_CMT)
 444 dnl
 445 dnl handle --enable-developer-features
 446 dnl
 447 AC_ARG_ENABLE([developer-features],
 448 AS_HELP_STRING([--enable-developer-features],[enable features for use by ext4 developers]),
 449 AH_TEMPLATE([CONFIG_DEVELOPER_FEATURES],
 450         [Define to 1 for features for use by ext4 developers])
 451 if test "$enableval" = "yes"
 452 then
 453         DEV_FEATURES_CMT=
 454         AC_DEFINE(CONFIG_DEVELOPER_FEATURES, 1)
 455         AC_MSG_RESULT([Enabling ext4 developer features])
 456 else
 457         AC_MSG_RESULT([Disabling ext4 developer features])
 458         DEV_FEATURES_CMT="#"
 459 fi
 460 ,
 461 AC_MSG_RESULT([Disabling ext4 developer features by default])
 462 DEV_FEATURES_CMT=
 463 )
 464 AC_SUBST(DEV_FEATURES_CMT)
 465 dnl
 466 dnl handle --disable-libuuid
 467 dnl
 468 PKG_PROG_PKG_CONFIG
 469 LIBUUID=
 470 DEPLIBUUID=
 471 STATIC_LIBUUID=
 472 DEPSTATIC_LIBUUID=
 473 PROFILED_LIBUUID=
 474 DEPPROFILED_LIBUUID=
 475 UUID_CMT=
 476 AC_ARG_ENABLE([libuuid],
 477 AS_HELP_STRING([--enable-libuuid],[build and use private uuid library]),
 478 if test "$enableval" = "no"
 479 then
 480         if test -z "$PKG_CONFIG"; then
 481                 AC_MSG_ERROR([pkg-config not installed; please install it.])
 482         fi
 483
 484         AC_CHECK_LIB(uuid, uuid_generate,
 485                 [LIBUUID=`$PKG_CONFIG --libs uuid`;
 486                  STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`],
 487                 [AC_MSG_ERROR([external uuid library not found])])
 488         PROFILED_LIBUUID=$LIBUUID
 489         UUID_CMT=#
 490         AC_MSG_RESULT([Disabling private uuid library])
 491 else
 492         LIBUUID='$(LIB)/libuuid'$LIB_EXT
 493         DEPLIBUUID=$LIBUUID
 494         STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
 495         DEPSTATIC_LIBUUID=$STATIC_LIBUUID
 496         PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
 497         DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
 498         AC_MSG_RESULT([Enabling private uuid library])
 499 fi
 500 ,
 501 if test -n "$PKG_CONFIG"; then
 502         AC_CHECK_LIB(uuid, uuid_generate,
 503                 [LIBUUID=`$PKG_CONFIG --libs uuid`;
 504                  STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`])
 505 fi
 506 if test -n "$LIBUUID"; then
 507         PROFILED_LIBUUID=$LIBUUID
 508         UUID_CMT=#
 509         AC_MSG_RESULT([Using system uuid by default])
 510 else
 511         LIBUUID='$(LIB)/libuuid'$LIB_EXT
 512         DEPLIBUUID=$LIBUUID
 513         STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
 514         DEPSTATIC_LIBUUID=$STATIC_LIBUUID
 515         PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
 516         DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
 517         AC_MSG_RESULT([Enabling private uuid library by default])
 518 fi
 519 )
 520 AC_SUBST(LIBUUID)
 521 AC_SUBST(DEPLIBUUID)
 522 AC_SUBST(STATIC_LIBUUID)
 523 AC_SUBST(DEPSTATIC_LIBUUID)
 524 AC_SUBST(PROFILED_LIBUUID)
 525 AC_SUBST(DEPPROFILED_LIBUUID)
 526 AC_SUBST(UUID_CMT)
 527 dnl
 528 dnl handle --disable-libblkid
 529 dnl
 530 PKG_PROG_PKG_CONFIG
 531 LIBBLKID=
 532 DEPLIBBLKID=
 533 STATIC_LIBBLKID=
 534 DEPSTATIC_LIBBLKID=
 535 PROFILED_LIBBLKID=
 536 DEPPROFILED_LIBBLKID=
 537 BLKID_CMT=
 538 AH_TEMPLATE([CONFIG_BUILD_FINDFS], [Define to 1 to compile findfs])
 539 AC_ARG_ENABLE([libblkid],
 540 AS_HELP_STRING([--enable-libblkid],[build and use private blkid library]),
 541 if test "$enableval" = "no"
 542 then
 543         if test -z "$PKG_CONFIG"; then
 544                 AC_MSG_ERROR([pkg-config not installed; please install it.])
 545         fi
 546
 547         AC_CHECK_LIB(blkid, blkid_get_cache,
 548                 [LIBBLKID=`$PKG_CONFIG --libs blkid`;
 549                  STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`],
 550                 [AC_MSG_ERROR([external blkid library not found])], -luuid)
 551         BLKID_CMT=#
 552         PROFILED_LIBBLKID=$LIBBLKID
 553         AC_MSG_RESULT([Disabling private blkid library])
 554 else
 555         LIBBLKID='$(LIB)/libblkid'$LIB_EXT
 556         DEPLIBBLKID=$LIBBLKID
 557         STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
 558         DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
 559         PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
 560         DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
 561         AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
 562         AC_MSG_RESULT([Enabling private blkid library])
 563 fi
 564 ,
 565 if test -n "$PKG_CONFIG"; then
 566         AC_CHECK_LIB(blkid, blkid_get_cache,
 567                 [LIBBLKID=`$PKG_CONFIG --libs blkid`;
 568                  STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`])
 569 fi
 570 if test -n "$LIBBLKID"; then
 571         BLKID_CMT=#
 572         PROFILED_LIBBLKID=$LIBBLKID
 573         AC_MSG_RESULT([Using system blkid library by default])
 574 else
 575         LIBBLKID='$(LIB)/libblkid'$LIB_EXT
 576         DEPLIBBLKID=$LIBBLKID
 577         STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
 578         DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
 579         PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
 580         DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
 581         AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
 582         AC_MSG_RESULT([Enabling private blkid library by default])
 583 fi
 584 )
 585 AC_SUBST(LIBBLKID)
 586 AC_SUBST(DEPLIBBLKID)
 587 AC_SUBST(STATIC_LIBBLKID)
 588 AC_SUBST(DEPSTATIC_LIBBLKID)
 589 AC_SUBST(PROFILED_LIBBLKID)
 590 AC_SUBST(DEPPROFILED_LIBBLKID)
 591 AC_SUBST(BLKID_CMT)
 592 dnl
 593 dnl handle --enable-subset
 594 dnl
 595 ALL_CMT=
 596 SUBSET_CMT=
 597 AC_ARG_ENABLE([subset],
 598 AS_HELP_STRING([--enable-subset],[enable subset-only build]),
 599 if test "$enableval" = "no"
 600 then
 601         SUBSET_CMT=#
 602         AC_MSG_RESULT([Disabling subset-only build])
 603 else
 604         ALL_CMT=#
 605         AC_MSG_RESULT([Enabling subset-only-build])
 606 fi
 607 ,)
 608 AC_SUBST(ALL_CMT)
 609 AC_SUBST(SUBSET_CMT)
 610 dnl
 611 dnl handle --disable-backtrace
 612 dnl
 613 AH_TEMPLATE([DISABLE_BACKTRACE], [Define to 1 to disable use of backtrace])
 614 AC_ARG_ENABLE([backtrace],
 615 AS_HELP_STRING([--disable-backtrace],[disable use backtrace]),
 616 if test "$enableval" = "no"
 617 then
 618         AC_MSG_RESULT([Disabling use of backtrace])
 619         AC_DEFINE(DISABLE_BACKTRACE, 1)
 620 else
 621         AC_MSG_RESULT([Enabling use of backtrace])
 622 fi
 623 ,
 624 AC_MSG_RESULT([Enabling use of backtrace by default])
 625 )
 626 dnl
 627 dnl handle --enable-debugfs
 628 dnl
 629 AC_ARG_ENABLE([debugfs],
 630 AS_HELP_STRING([--disable-debugfs],[disable support of debugfs program]),
 631 if test "$enableval" = "no"
 632 then
 633         AC_MSG_RESULT([Disabling debugfs support])
 634         DEBUGFS_CMT="#"
 635 else
 636         DEBUGFS_CMT=
 637         AC_MSG_RESULT([Enabling debugfs support])
 638 fi
 639 ,
 640 AC_MSG_RESULT([Enabling debugfs support by default])
 641 DEBUGFS_CMT=
 642 )
 643 AC_SUBST(DEBUGFS_CMT)
 644 dnl
 645 dnl handle --enable-imager
 646 dnl
 647 AC_ARG_ENABLE([imager],
 648 AS_HELP_STRING([--disable-imager],[disable support of e2image program]),
 649 if test "$enableval" = "no"
 650 then
 651         AC_MSG_RESULT([Disabling e2image support])
 652         IMAGER_CMT="#"
 653 else
 654         IMAGER_CMT=
 655         AC_MSG_RESULT([Enabling e2image support])
 656 fi
 657 ,
 658 AC_MSG_RESULT([Enabling e2image support by default])
 659 IMAGER_CMT=
 660 )
 661 AC_SUBST(IMAGER_CMT)
 662 dnl
 663 dnl handle --enable-resizer
 664 dnl
 665 AC_ARG_ENABLE([resizer],
 666 AS_HELP_STRING([--disable-resizer],[disable support of e2resize program]),
 667 if test "$enableval" = "no"
 668 then
 669         AC_MSG_RESULT([Disabling e2resize support])
 670         RESIZER_CMT="#"
 671 else
 672         RESIZER_CMT=
 673         AC_MSG_RESULT([Enabling e2resize support])
 674 fi
 675 ,
 676 AC_MSG_RESULT([Enabling e2resize support by default])
 677 RESIZER_CMT=
 678 )
 679 AC_SUBST(RESIZER_CMT)
 680 dnl
 681 dnl handle --enable-defrag
 682 dnl
 683 AC_ARG_ENABLE([defrag],
 684 AS_HELP_STRING([--disable-defrag],[disable support of e4defrag program]),
 685 if test "$enableval" = "no"
 686 then
 687         AC_MSG_RESULT([Disabling e4defrag support])
 688         DEFRAG_CMT="#"
 689 else
 690         DEFRAG_CMT=
 691         AC_MSG_RESULT([Enabling e4defrag support])
 692 fi
 693 ,
 694 if test -z "$WITH_DIET_LIBC"
 695 then
 696         AC_MSG_RESULT([Enabling e4defrag support by default])
 697         DEFRAG_CMT=
 698 else
 699         AC_MSG_RESULT([Disabling e4defrag support by default])
 700         DEFRAG_CMT="#"
 701 fi
 702 )
 703 AC_SUBST(DEFRAG_CMT)
 704 dnl
 705 dnl See whether to install the `fsck' wrapper program (that calls e2fsck)
 706 dnl
 707 AC_ARG_ENABLE([fsck],
 708 AS_HELP_STRING([--enable-fsck],[build fsck wrapper program]),
 709 [if test "$enableval" = "no"
 710 then
 711         FSCK_PROG='' FSCK_MAN=''
 712         AC_MSG_RESULT([Not building fsck wrapper])
 713 else
 714         FSCK_PROG=fsck FSCK_MAN=fsck.8
 715         AC_MSG_RESULT([Building fsck wrapper])
 716 fi]
 717 ,
 718 [case "$host_os" in
 719   gnu*)
 720     FSCK_PROG='' FSCK_MAN=''
 721     AC_MSG_RESULT([Not building fsck wrapper by default])
 722     ;;
 723   *)
 724     FSCK_PROG=fsck FSCK_MAN=fsck.8
 725     AC_MSG_RESULT([Building fsck wrapper by default])
 726 esac]
 727 )
 728 AC_SUBST(FSCK_PROG)
 729 AC_SUBST(FSCK_MAN)
 730 dnl
 731 dnl See whether to install the `e2initrd-helper' program
 732 dnl
 733 AC_ARG_ENABLE([e2initrd-helper],
 734 AS_HELP_STRING([--enable-e2initrd-helper],[build e2initrd-helper program]),
 735 [if test "$enableval" = "no"
 736 then
 737         E2INITRD_PROG='' E2INITRD_MAN=''
 738         AC_MSG_RESULT([Not building e2initrd helper])
 739 else
 740         E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
 741         AC_MSG_RESULT([Building e2initrd helper])
 742 fi]
 743 ,
 744 E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
 745 AC_MSG_RESULT([Building e2initrd helper by default])
 746 )
 747 AC_SUBST(E2INITRD_PROG)
 748 AC_SUBST(E2INITRD_MAN)
 749 dnl
 750 dnl
 751 dnl
 752 AC_ARG_ENABLE([tls],
 753 AS_HELP_STRING([--disable-tls],[disable use of thread local support]),
 754 [if test "$enableval" = "no"
 755 then
 756         try_tls=""
 757         AC_MSG_RESULT([Disabling thread local support])
 758 else
 759         try_tls="yes"
 760         AC_MSG_RESULT([Enabling thread local support])
 761 fi]
 762 ,
 763 if test -n "$WITH_DIET_LIBC"
 764 then
 765         try_tls=""
 766         AC_MSG_RESULT([Diet libc does not support thread local support])
 767 else
 768         try_tls="yes"
 769         AC_MSG_RESULT([Try using thread local support by default])
 770 fi
 771 )
 772 if test "$try_tls" = "yes"
 773 then
 774 AX_TLS
 775 fi
 776 dnl
 777 dnl
 778 dnl
 779 AC_ARG_WITH([pthread],
 780 AS_HELP_STRING([--without-pthread],[disable use of pthread support]),
 781 [if test "$withval" = "no"
 782 then
 783         try_pthread=""
 784         AC_MSG_RESULT([Disabling pthread support])
 785 else
 786         try_pthread="yes"
 787         AC_MSG_RESULT([Testing for pthread support])
 788 fi]
 789 ,
 790 try_pthread="yes"
 791 AC_MSG_RESULT([Try testing for pthread support by default])
 792 )
 793 if test "$try_pthread" = "yes"
 794 then
 795 AX_PTHREAD
 796 else
 797 test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
 798 AC_SUBST([PTHREAD_CC])
 799 fi
 800 dnl
 801 dnl
 802 dnl
 803 AH_TEMPLATE([USE_UUIDD], [Define to 1 to build uuidd])
 804 AC_ARG_ENABLE([uuidd],
 805 AS_HELP_STRING([--disable-uuidd],[disable building the uuid daemon]),
 806 [if test "$enableval" = "no"
 807 then
 808         AC_MSG_RESULT([Not building uuidd])
 809         UUIDD_CMT="#"
 810 else
 811         AC_DEFINE(USE_UUIDD, 1)
 812         UUIDD_CMT=""
 813         AC_MSG_RESULT([Building uuidd])
 814 fi]
 815 ,
 816 AC_DEFINE(USE_UUIDD, 1)
 817 if test -z "$UUID_CMT"
 818 then
 819         UUIDD_CMT=""
 820         AC_MSG_RESULT([Building uuidd by default])
 821 else
 822         UUIDD_CMT="#"
 823         AC_MSG_RESULT([Disabling uuidd by default])
 824 fi
 825 )
 826 AC_SUBST(UUIDD_CMT)
 827 dnl
 828 dnl handle --disable-mmp
 829 dnl
 830 AH_TEMPLATE([CONFIG_MMP], [Define to 1 to enable mmp support])
 831 AC_ARG_ENABLE([mmp],
 832 AS_HELP_STRING([--disable-mmp],[disable support mmp, Multi Mount Protection]),
 833 if test "$enableval" = "no"
 834 then
 835         AC_MSG_RESULT([Disabling mmp support])
 836 else
 837         AC_MSG_RESULT([Enabling mmp support])
 838         AC_DEFINE(CONFIG_MMP, 1)
 839 fi
 840 ,
 841 AC_MSG_RESULT([Enabling mmp support by default])
 842 AC_DEFINE(CONFIG_MMP, 1)
 843 )
 844 dnl
 845 dnl handle --disable-tdb
 846 dnl
 847 AH_TEMPLATE([CONFIG_TDB], [Define to 1 to enable tdb support])
 848 AC_ARG_ENABLE([tdb],
 849 AS_HELP_STRING([--disable-tdb],[disable tdb support]),
 850 [
 851 if test "$enableval" = "no"
 852 then
 853         AC_MSG_RESULT([Disabling tdb support])
 854         CONFIG_TDB=0
 855 else
 856         AC_MSG_RESULT([Enabling tdb support])
 857         CONFIG_TDB=1
 858 fi
 859 ]
 860 ,
 861 [
 862 case "$host_os" in
 863 mingw*)
 864         AC_MSG_RESULT([Disabling tdb support by default])
 865         CONFIG_TDB=0
 866         ;;
 867 *)
 868         AC_MSG_RESULT([Enabling tdb support by default])
 869         CONFIG_TDB=1
 870         ;;
 871 esac
 872 ]
 873 )
 874 if test "$CONFIG_TDB" = "1"
 875 then
 876         AC_DEFINE(CONFIG_TDB, 1)
 877         TDB_CMT=""
 878         TDB_MAN_COMMENT=""
 879 else
 880         TDB_CMT="#"
 881         TDB_MAN_COMMENT='.\"'
 882 fi
 883 AC_SUBST(TDB_CMT)
 884 AC_SUBST(TDB_MAN_COMMENT)
 885 dnl
 886 dnl handle --disable-bmap-stats
 887 dnl
 888 AH_TEMPLATE([ENABLE_BMAP_STATS], [Define to 1 to enable bitmap stats.])
 889 AC_ARG_ENABLE([bmap-stats],
 890 AS_HELP_STRING([--disable-bmap-stats],[disable collection of bitmap stats]),
 891 if test "$enableval" = "no"
 892 then
 893         AC_MSG_RESULT([Disabling bitmap statistics support])
 894 else
 895         AC_MSG_RESULT([Enabling bitmap statistics support])
 896         AC_DEFINE(ENABLE_BMAP_STATS, 1)
 897 fi
 898 ,
 899 AC_MSG_RESULT([Enabling bitmap statistics support by default])
 900 AC_DEFINE(ENABLE_BMAP_STATS, 1)
 901 )
 902 dnl
 903 dnl handle --enable-bmap-stats-ops
 904 dnl
 905 AH_TEMPLATE([ENABLE_BMAP_STATS_OPS], [Define to 1 to enable bitmap stats.])
 906 AC_ARG_ENABLE([bmap-stats-ops],
 907 AS_HELP_STRING([--enable-bmap-stats-ops],[enable collection of additional bitmap stats]),
 908 if test "$enableval" = "no"
 909 then
 910         AC_MSG_RESULT([Disabling additional bitmap statistics])
 911 else
 912         dnl There has to be a better way!
 913         AS_IF([test "x${enable_bmap_stats}" = "xno"],
 914          AC_MSG_FAILURE([Error --enable-bmap-stats-ops requires bmap-stats]))
 915
 916         AC_MSG_RESULT([Enabling additional bitmap statistics])
 917         AC_DEFINE(ENABLE_BMAP_STATS_OPS, 1)
 918 fi
 919 ,
 920 AC_MSG_RESULT([Disabling additional bitmap statistics by default])
 921 )
 922 dnl
 923 dnl
 924 dnl
 925 MAKEFILE_LIBRARY=$srcdir/lib/Makefile.library
 926 AC_SUBST_FILE(MAKEFILE_LIBRARY)
 927 dnl
 928 dnl Add internationalization support, using gettext.
 929 dnl
 930 GETTEXT_PACKAGE=e2fsprogs
 931 PACKAGE=e2fsprogs
 932 VERSION="$E2FSPROGS_VERSION"
 933 VERSION=0.14.1
 934 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [package name for gettext])
 935 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [version for gettext])
 936 AC_SUBST(GETTEXT_PACKAGE)
 937 AC_SUBST(PACKAGE)
 938 AC_SUBST(VERSION)
 939
 940 AM_GNU_GETTEXT([external])
 941 dnl
 942 dnl End of configuration options
 943 dnl
 944 AC_SUBST(BINARY_TYPE)
 945 AC_PROG_MAKE_SET
 946 CHECK_GNU_MAKE
 947 AC_PATH_PROG(LN, ln, ln)
 948 AC_PROG_MKDIR_P
 949 dnl
 950 dnl @mkdir_p@ is used by po's Makefile.in
 951 dnl
 952 mkdir_p=$MKDIR_P
 953 AC_SUBST(mkdir_p)
 954 AC_PROG_LN_S
 955 AC_PATH_PROG(MV, mv, mv)
 956 AC_PATH_PROG(CP, cp, cp)
 957 AC_PATH_PROG(RM, rm, rm)
 958 AC_PATH_PROG(CHMOD, chmod, :)
 959 AC_PROG_AWK
 960 AC_PROG_EGREP
 961 AC_PATH_PROG(SED, sed, sed)
 962 AC_PATH_PROG(PERL, perl, perl)
 963 AC_PATH_PROG(LDCONFIG, ldconfig, :)
 964 AC_CHECK_TOOL(AR, ar, ar)
 965 AC_CHECK_TOOL(RANLIB, ranlib, :)
 966 AC_CHECK_TOOL(STRIP, strip, :)
 967 AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
 968 if test "_$MAKEINFO" = "_"; then
 969     MAKEINFO="echo Makeinfo is missing. Info documentation will not be built."
 970 else
 971     case "$MAKEINFO" in
 972       */missing.*)
 973         AC_MSG_WARN([
 974 *** Makeinfo is missing. Info documentation will not be built.])
 975         ;;
 976       *)
 977         ;;
 978     esac
 979 fi
 980 AC_SUBST(MAKEINFO)
 981 AC_PROG_INSTALL
 982 # See if we need a separate native compiler.
 983 if test $cross_compiling = no; then
 984   BUILD_CC="$CC"
 985   AC_SUBST(BUILD_CC)
 986 else
 987   AC_CHECK_PROGS(BUILD_CC, gcc cc)
 988 fi
 989 AC_CHECK_HEADERS(m4_flatten([
 990         dirent.h
 991         errno.h
 992         execinfo.h
 993         getopt.h
 994         malloc.h
 995         mntent.h
 996         paths.h
 997         pthread.h
 998         semaphore.h
 999         setjmp.h
1000         signal.h
1001         stdarg.h
1002         stdint.h
1003         stdlib.h
1004         termios.h
1005         termio.h
1006         unistd.h
1007         utime.h
1008         attr/xattr.h
1009         linux/falloc.h
1010         linux/fd.h
1011         linux/fsmap.h
1012         linux/major.h
1013         linux/loop.h
1014         linux/types.h
1015         net/if_dl.h
1016         netinet/in.h
1017         sys/acl.h
1018         sys/disklabel.h
1019         sys/disk.h
1020         sys/file.h
1021         sys/ioctl.h
1022         sys/key.h
1023         sys/mkdev.h
1024         sys/mman.h
1025         sys/mount.h
1026         sys/prctl.h
1027         sys/random.h
1028         sys/resource.h
1029         sys/select.h
1030         sys/socket.h
1031         sys/sockio.h
1032         sys/stat.h
1033         sys/syscall.h
1034         sys/sysmacros.h
1035         sys/time.h
1036         sys/types.h
1037         sys/un.h
1038         sys/wait.h
1039         sys/xattr.h
1040 ]))
1041 case "$host_os" in
1042 mingw*)
1043         # The above checks only detect system headers, not the headers in
1044         # ./include/mingw/, so explicitly define them to be available.
1045         AC_DEFINE(HAVE_LINUX_TYPES_H, 1)
1046         AC_DEFINE(HAVE_SYS_STAT_H, 1)
1047         AC_DEFINE(HAVE_SYS_SYSMACROS_H, 1)
1048         AC_DEFINE(HAVE_SYS_TYPES_H, 1)
1049         AC_DEFINE(HAVE_UNISTD_H, 1)
1050         ;;
1051 esac
1052 dnl Check where to find a dd(1) that supports iflag=fullblock
1053 dnl and oflag=append
1054 AC_MSG_CHECKING([for a dd(1) program that supports iflag=fullblock])
1055 DD=
1056 for i in dd gdd ; do
1057         if "$i" if=/dev/null of=/dev/null count=1 bs=10k 2>/dev/null iflag=fullblock oflag=append ; then
1058                 DD=$i
1059                 break
1060         fi
1061 done
1062 if test -n "$DD" ; then
1063         AC_MSG_RESULT([$DD])
1064 else
1065         AC_MSG_RESULT([not found, using dd])
1066         DD=dd
1067         AC_MSG_WARN([No GNU-compatible dd(1) program found, expect some self-test failures.])
1068 fi
1069 AC_SUBST([DD])
1070
1071 AC_CHECK_HEADERS(net/if.h,,,
1072 [[
1073 #if HAVE_SYS_TYPES_H
1074 #include <sys/types.h>
1075 #endif
1076 #if HAVE_SYS_SOCKET
1077 #include <sys/socket.h>
1078 #endif
1079 ]])
1080 AC_FUNC_VPRINTF
1081 dnl Check to see if dirent has member d_reclen. On cygwin those d_reclen
1082 dnl is not declared.
1083 AC_CHECK_MEMBER(struct dirent.d_reclen,[AC_DEFINE(HAVE_RECLEN_DIRENT, 1,
1084                        [Define to 1 if dirent has d_reclen])],,
1085                 [#include <dirent.h>])
1086 AC_CHECK_MEMBERS([struct stat.st_atim])
1087 dnl Check to see if ssize_t was declared
1088 AC_CHECK_TYPE(ssize_t,[AC_DEFINE(HAVE_TYPE_SSIZE_T, 1,
1089                 [Define to 1 if ssize_t declared])],,
1090               [#include <sys/types.h>])
1091 dnl
1092 dnl Check to see if llseek() is declared in unistd.h.  On some libc's
1093 dnl it is, and on others it isn't..... Thank you glibc developers....
1094 dnl
1095 AC_CHECK_DECL(llseek,[AC_DEFINE(HAVE_LLSEEK_PROTOTYPE, 1,
1096                         [Define to 1 if llseek declared in unistd.h])],,
1097               [#include <unistd.h>])
1098 dnl
1099 dnl Check to see if lseek64() is declared in unistd.h.  Glibc's header files
1100 dnl are so convoluted that I can't tell whether it will always be defined,
1101 dnl and if it isn't defined while lseek64 is defined in the library,
1102 dnl disaster will strike.
1103 dnl
1104 dnl Warning!  Use of --enable-gcc-wall may throw off this test.
1105 dnl
1106 dnl
1107 AC_CHECK_DECL(lseek64,[AC_DEFINE(HAVE_LSEEK64_PROTOTYPE, 1,
1108                         [Define to 1 if lseek64 declared in unistd.h])],,
1109                 [#define _LARGEFILE_SOURCE
1110                  #define _LARGEFILE64_SOURCE
1111                  #include <unistd.h>])
1112
1113 dnl The Android NDK has <linux/fsmap.h>, but it is missing the inline functions
1114 dnl fsmap_sizeof() and fsmap_advance().  Check whether this is the case.
1115 AC_CHECK_DECL(fsmap_sizeof,[AC_DEFINE(HAVE_FSMAP_SIZEOF, 1,
1116                             [Define to 1 if fsmap_sizeof() is declared in linux/fsmap.h])],,
1117                 [#include <linux/fsmap.h>])
1118 dnl
1119 dnl Word sizes...
1120 dnl
1121 AC_CHECK_SIZEOF(short)
1122 AC_CHECK_SIZEOF(int)
1123 AC_CHECK_SIZEOF(long)
1124 AC_CHECK_SIZEOF(long long)
1125 AC_CHECK_SIZEOF(off_t)
1126 AC_CHECK_SIZEOF(time_t)
1127 SIZEOF_SHORT=$ac_cv_sizeof_short
1128 SIZEOF_INT=$ac_cv_sizeof_int
1129 SIZEOF_LONG=$ac_cv_sizeof_long
1130 SIZEOF_LONG_LONG=$ac_cv_sizeof_long_long
1131 SIZEOF_OFF_T=$ac_cv_sizeof_off_t
1132 SIZEOF_TIME_T=$ac_cv_sizeof_time_t
1133 AC_SUBST(SIZEOF_SHORT)
1134 AC_SUBST(SIZEOF_INT)
1135 AC_SUBST(SIZEOF_LONG)
1136 AC_SUBST(SIZEOF_LONG_LONG)
1137 AC_SUBST(SIZEOF_OFF_T)
1138 AC_SUBST(SIZEOF_TIME_T)
1139 AC_C_BIGENDIAN
1140 if test $cross_compiling = no; then
1141   BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1142 else
1143   CROSS_COMPILE="1" BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
1144 fi
1145 ASM_TYPES_HEADER=./asm_types.h
1146 AC_SUBST_FILE(ASM_TYPES_HEADER)
1147 dnl
1148 dnl Save the configuration #defines needed for the public ext2fs.h
1149 dnl header file
1150 dnl
1151 echo "/* These defines are needed for the public ext2fs.h header file */" \
1152      > public_config.h
1153 if grep HAVE_SYS_TYPES_H confdefs.h > tmp_config.$$; then
1154   uniq tmp_config.$$ >> public_config.h
1155 else
1156   echo "#undef HAVE_SYS_TYPES_H" >> public_config.h
1157 fi
1158 if grep WORDS_BIGENDIAN confdefs.h > tmp_config.$$; then
1159   uniq tmp_config.$$ >> public_config.h
1160 else
1161   echo "#undef WORDS_BIGENDIAN" >> public_config.h
1162 fi
1163 rm -f tmp_config.$$
1164 PUBLIC_CONFIG_HEADER=./public_config.h
1165 AC_SUBST_FILE(PUBLIC_CONFIG_HEADER)
1166 dnl
1167 dnl See if we have inttypes.h and if intptr_t is defined
1168 dnl
1169 AC_CHECK_HEADERS([inttypes.h])
1170 AC_CHECK_TYPES(intptr_t)
1171 dnl
1172 dnl See if struct stat has a st_flags field, in which case we can get file
1173 dnl flags somewhat portably.  Also check for the analogous setter, chflags().
1174 dnl
1175 AC_MSG_CHECKING(whether struct stat has a st_flags field)
1176 AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags,
1177         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[struct stat stat; stat.st_flags = 0;]])],[e2fsprogs_cv_struct_st_flags=yes],[e2fsprogs_cv_struct_st_flags=no]))
1178 AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags)
1179 if test "$e2fsprogs_cv_struct_st_flags" = yes; then
1180   AC_MSG_CHECKING(whether st_flags field is useful)
1181   AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags_immut,
1182         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[struct stat stat; stat.st_flags |= UF_IMMUTABLE;]])],[e2fsprogs_cv_struct_st_flags_immut=yes],[e2fsprogs_cv_struct_st_flags_immut=no]))
1183   AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags_immut)
1184   if test "$e2fsprogs_cv_struct_st_flags_immut" = yes; then
1185           AC_DEFINE(HAVE_STAT_FLAGS, 1,
1186                 [Define to 1 if struct stat has st_flags])
1187   fi
1188 fi
1189 dnl
1190 dnl Check for the presence of SA_LEN
1191 dnl
1192 AC_CHECK_MEMBER(struct sockaddr.sa_len,
1193                 AC_DEFINE_UNQUOTED(HAVE_SA_LEN,1,
1194                         [Define to 1 if if struct sockaddr contains sa_len]),,
1195         [#include <sys/types.h>
1196          #include <sys/socket.h>])
1197 dnl
1198 dnl If we are using the system-provided blkid library, check for
1199 dnl the functions added after migrating that library to util-linux
1200 dnl
1201 if test -n "$BLKID_CMT"; then
1202   AC_CHECK_LIB(blkid, blkid_probe_get_topology,
1203                       AC_DEFINE(HAVE_BLKID_PROBE_GET_TOPOLOGY, 1,
1204                                 [Define to 1 if blkid has blkid_probe_get_topology]))
1205   AC_CHECK_LIB(blkid, blkid_topology_get_dax,
1206                       AC_DEFINE(HAVE_BLKID_TOPOLOGY_GET_DAX, 1,
1207                                 [Define to 1 if blkid has blkid_topology_get_dax]))
1208   AC_CHECK_LIB(blkid, blkid_probe_enable_partitions,
1209                       AC_DEFINE(HAVE_BLKID_PROBE_ENABLE_PARTITIONS, 1,
1210                                 [Define to 1 if blkid has blkid_probe_enable_partitions]))
1211 fi
1212 dnl
1213 if test -n "$DLOPEN_LIB" ; then
1214    ac_cv_func_dlopen=yes
1215 fi
1216 AC_CHECK_FUNCS(m4_flatten([
1217         __secure_getenv
1218         add_key
1219         backtrace
1220         chflags
1221         dlopen
1222         fadvise64
1223         fallocate
1224         fallocate64
1225         fchown
1226         fcntl
1227         fdatasync
1228         fstat64
1229         fsync
1230         ftruncate64
1231         futimes
1232         getcwd
1233         getdtablesize
1234         getentropy
1235         gethostname
1236         getmntinfo
1237         getpwuid_r
1238         getrandom
1239         getrlimit
1240         getrusage
1241         jrand48
1242         keyctl
1243         llistxattr
1244         llseek
1245         lseek64
1246         mallinfo
1247         mallinfo2
1248         mbstowcs
1249         memalign
1250         mempcpy
1251         mmap
1252         msync
1253         nanosleep
1254         open64
1255         pathconf
1256         posix_fadvise
1257         posix_fadvise64
1258         posix_memalign
1259         prctl
1260         pread
1261         pwrite
1262         pread64
1263         pwrite64
1264         qsort_r
1265         secure_getenv
1266         setmntent
1267         setresgid
1268         setresuid
1269         snprintf
1270         srandom
1271         stpcpy
1272         strcasecmp
1273         strdup
1274         strnlen
1275         strptime
1276         strtoull
1277         sync_file_range
1278         sysconf
1279         usleep
1280         utime
1281         utimes
1282         valloc
1283 ]))
1284 dnl
1285 dnl Check to see if -lsocket is required (solaris) to make something
1286 dnl that uses socket() to compile; this is needed for the UUID library
1287 dnl
1288 SOCKET_LIB=''
1289 AC_CHECK_LIB(socket, socket, [SOCKET_LIB=-lsocket])
1290 AC_SUBST(SOCKET_LIB)
1291 dnl
1292 dnl See if libmagic exists
1293 dnl
1294 AC_CHECK_LIB(magic, magic_file, [MAGIC_LIB=-lmagic
1295 AC_CHECK_HEADERS([magic.h])])
1296 if test "$ac_cv_func_dlopen" = yes ; then
1297    MAGIC_LIB=$DLOPEN_LIB
1298 fi
1299 AC_SUBST(MAGIC_LIB)
1300 dnl
1301 dnl Check to see if librt is required for clock_gettime() (glibc < 2.17)
1302 dnl
1303 AC_CHECK_LIB(rt, clock_gettime, [CLOCK_GETTIME_LIB=-lrt])
1304 AC_SUBST(CLOCK_GETTIME_LIB)
1305 dnl
1306 dnl Check to see if the FUSE library is -lfuse3, -losxfuse, or -lfuse
1307 dnl
1308 FUSE_CMT=
1309 FUSE_LIB=
1310 dnl osxfuse.dylib supersedes fuselib.dylib
1311 AC_ARG_ENABLE([fuse2fs],
1312 AS_HELP_STRING([--disable-fuse2fs],[do not build fuse2fs]),
1313 if test "$enableval" = "no"
1314 then
1315         FUSE_CMT="#"
1316         AC_MSG_RESULT([Disabling fuse2fs])
1317 else
1318         AC_PREPROC_IFELSE(
1319 [AC_LANG_PROGRAM([[#ifdef __linux__
1320 #include <linux/fs.h>
1321 #include <linux/falloc.h>
1322 #include <linux/xattr.h>
1323 #endif
1324 ]], [])], [], [AC_MSG_FAILURE([Cannot find fuse2fs Linux headers.])])
1325
1326         PKG_CHECK_MODULES([fuse3], [fuse3],
1327           [
1328                 FUSE_LIB=-lfuse3
1329           ], [
1330                 AC_CHECK_HEADERS([pthread.h fuse.h], [],
1331                         [AC_MSG_FAILURE([Cannot find fuse2fs headers.])],
1332 [#define _FILE_OFFSET_BITS      64
1333 #define FUSE_USE_VERSION 29])
1334
1335                 AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
1336                         [AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse],
1337                                 [AC_MSG_FAILURE([Cannot find fuse library.])])])
1338           ])
1339         AC_MSG_RESULT([Enabling fuse2fs])
1340 fi
1341 ,
1342 PKG_CHECK_MODULES([fuse3], [fuse3],
1343   [
1344         FUSE_LIB=-lfuse3
1345   ], [
1346         AC_CHECK_HEADERS([pthread.h fuse.h], [], [FUSE_CMT="#"],
1347 [#define _FILE_OFFSET_BITS      64
1348 #define FUSE_USE_VERSION 29
1349 #ifdef __linux__
1350 # include <linux/fs.h>
1351 # include <linux/falloc.h>
1352 # include <linux/xattr.h>
1353 #endif])
1354         if test -z "$FUSE_CMT"
1355         then
1356                 AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
1357                         [AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse],
1358                                 [FUSE_CMT="#"])])
1359         fi
1360   ])
1361 if test -z "$FUSE_CMT"
1362 then
1363         AC_MSG_RESULT([Enabling fuse2fs by default.])
1364 fi
1365 )
1366 AC_SUBST(FUSE_LIB)
1367 AC_SUBST(FUSE_CMT)
1368 if test "$FUSE_LIB" = "-lfuse3"
1369 then
1370         FUSE_USE_VERSION=35
1371         CFLAGS="$CFLAGS $fuse3_CFLAGS"
1372         LDFLAGS="$LDFLAGS $fuse3_LDFLAGS"
1373         AC_CHECK_HEADERS([pthread.h fuse.h], [],
1374                 [AC_MSG_FAILURE([Cannot find fuse3 fuse2fs headers.])],
1375 [#define _FILE_OFFSET_BITS      64
1376 #define FUSE_USE_VERSION 35
1377 #ifdef __linux__
1378 #include <linux/fs.h>
1379 #include <linux/falloc.h>
1380 #include <linux/xattr.h>
1381 #endif])
1382 elif test -n "$FUSE_LIB"
1383 then
1384         FUSE_USE_VERSION=29
1385 fi
1386 if test -n "$FUSE_USE_VERSION"
1387 then
1388         AC_DEFINE_UNQUOTED(FUSE_USE_VERSION, $FUSE_USE_VERSION,
1389                 [Define to the version of FUSE to use])
1390 fi
1391 dnl
1392 dnl See if optreset exists
1393 dnl
1394 AC_MSG_CHECKING(for optreset)
1395 AC_CACHE_VAL(ac_cv_have_optreset,
1396 [AC_EGREP_HEADER(optreset, unistd.h,
1397   ac_cv_have_optreset=yes, ac_cv_have_optreset=no)])dnl
1398 AC_MSG_RESULT($ac_cv_have_optreset)
1399 if test $ac_cv_have_optreset = yes; then
1400   AC_DEFINE(HAVE_OPTRESET, 1, [Define to 1 if optreset for getopt is present])
1401 fi
1402 dnl
1403 dnl Test for sem_init, and which library it might require:
1404 dnl
1405 AH_TEMPLATE([HAVE_SEM_INIT], [Define to 1 if sem_init() exists])
1406 SEM_INIT_LIB=''
1407 echo GL_THREADS_API: ${gl_threads_api}
1408 if test "${gl_threads_api}" != none
1409 then
1410   AC_CHECK_FUNC(sem_init, ,
1411     AC_CHECK_LIB(pthread, sem_init,
1412         AC_DEFINE(HAVE_SEM_INIT, 1)
1413         SEM_INIT_LIB=-lpthread,
1414     AC_CHECK_LIB(rt, sem_init,
1415         AC_DEFINE(HAVE_SEM_INIT, 1)
1416         SEM_INIT_LIB=-lrt,
1417     AC_CHECK_LIB(posix4, sem_init,
1418         AC_DEFINE(HAVE_SEM_INIT, 1)
1419         SEM_INIT_LIB=-lposix4))))dnl
1420 fi
1421 AC_SUBST(SEM_INIT_LIB)
1422 dnl
1423 dnl qsort_r detection
1424 dnl
1425 AS_IF([test "$ac_cv_func_qsort_r" != no], [
1426   AC_CACHE_CHECK(whether qsort_r is GNU version, e2_cv_gnu_qsort_r,
1427     [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1428 @%:@include <stdlib.h>
1429 void (qsort_r)(void *base, size_t nmemb, size_t size,
1430             int (*compar)(const void *, const void *, void *),
1431             void *arg);
1432 ]], [[ ]])],[e2_cv_gnu_qsort_r=yes],[e2_cv_gnu_qsort_r=no])
1433   ])
1434   AC_CACHE_CHECK(whether qsort_r is BSD version, e2_cv_bsd_qsort_r,
1435     [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1436 @%:@include <stdlib.h>
1437 void (qsort_r)(void *base, size_t nmemb, size_t size,
1438              void *arg, int (*compar)(void *, const void *, const void *));
1439 ]], [[ ]])],[e2_cv_bsd_qsort_r=yes],[e2_cv_bsd_qsort_r=no])
1440   ])
1441   AS_CASE("$e2_cv_gnu_qsort_r:$e2_cv_bsd_qsort_r",
1442   [yes:no], [
1443     AC_DEFINE(HAVE_GNU_QSORT_R, 1, [ Define to 1 if you have the GNU-style 'qsort_r' function.])
1444   ],
1445   [no:yes], [
1446     AC_DEFINE(HAVE_BSD_QSORT_R, 1, [ Define to 1 if you have the BSD-style 'qsort_r' function.])
1447   ])
1448 ])
1449 dnl
1450 dnl Check for unified diff
1451 dnl
1452 AC_MSG_CHECKING(for unified diff option)
1453 if diff -u $0 $0 > /dev/null 2>&1 ; then
1454    UNI_DIFF_OPTS=-u
1455 else
1456    UNI_DIFF_OPTS=-c
1457 fi
1458 AC_MSG_RESULT($UNI_DIFF_OPTS)
1459 AC_SUBST(UNI_DIFF_OPTS)
1460 dnl
1461 dnl We use the EXT2 ioctls only under Linux
1462 dnl
1463 case "$host_os" in
1464 linux*)
1465         AC_DEFINE(HAVE_EXT2_IOCTLS, 1, [Define to 1 if Ext2 ioctls present])
1466         ;;
1467 esac
1468 dnl
1469 dnl Check the available mount options
1470 dnl
1471 AX_CHECK_MOUNT_OPT(nosuid)
1472 AX_CHECK_MOUNT_OPT(nodev)
1473 dnl Enable LTO for all packages
1474 dnl
1475 AC_ARG_ENABLE([lto],
1476 AS_HELP_STRING([--enable-lto],[enable link time optimization]),,
1477 enable_lto=no)
1478 if test "$enable_lto" = "yes" || test "$enable_lto" = "probe"; then
1479         AC_MSG_CHECKING([if C compiler supports LTO])
1480         OLD_CFLAGS="$CFLAGS"
1481         OLD_LDFLAGS="$LDFLAGS"
1482         LTO_FLAGS="-g -flto -ffat-lto-objects"
1483         CFLAGS="$CFLAGS $LTO_FLAGS"
1484         LDFLAGS="$LDFLAGS $LTO_FLAGS"
1485         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1486                 [AC_MSG_RESULT([yes])]
1487                 [lto_cflags=$LTO_FLAGS]
1488                 [lto_ldflags=$LTO_FLAGS]
1489                 [AC_PATH_PROG(gcc_ar, gcc-ar,,)]
1490                 [AC_PATH_PROG(gcc_ranlib, gcc-ranlib,,)],
1491                 [AC_MSG_RESULT([no])])
1492         if test -x "$gcc_ar" && test -x "$gcc_ranlib"; then
1493                 have_lto=yes
1494                 AR="${gcc_ar}"
1495                 RANLIB="${gcc_ranlib}"
1496         fi
1497         CFLAGS="${OLD_CFLAGS}"
1498         LDFLAGS="${OLD_LDFLAGS}"
1499         AC_SUBST(have_lto)
1500         AC_SUBST(lto_cflags)
1501         AC_SUBST(lto_ldflags)
1502 fi
1503 if test "$enable_lto" = "yes" && test "$have_lto" != "yes"; then
1504         AC_MSG_ERROR([LTO not supported by compiler.])
1505 fi
1506 dnl
1507 dnl Enable UBSAN for all packages
1508 dnl
1509 AC_ARG_ENABLE([ubsan],
1510 AS_HELP_STRING([--enable-ubsan],[enable undefined behavior sanitizer]),,
1511 enable_ubsan=no)
1512 if test "$enable_ubsan" = "yes" || test "$enable_ubsan" = "probe"; then
1513         AC_MSG_CHECKING([if C compiler supports UBSAN])
1514         OLD_CFLAGS="$CFLAGS"
1515         OLD_LDFLAGS="$LDFLAGS"
1516         UBSAN_FLAGS="-fsanitize=undefined"
1517         CFLAGS="$CFLAGS $UBSAN_FLAGS"
1518         LDFLAGS="$LDFLAGS $UBSAN_FLAGS"
1519         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1520                 [AC_MSG_RESULT([yes])]
1521                 [ubsan_cflags=$UBSAN_FLAGS]
1522                 [ubsan_ldflags=$UBSAN_FLAGS]
1523                 [have_ubsan=yes],
1524                 [AC_MSG_RESULT([no])])
1525         CFLAGS="${OLD_CFLAGS}"
1526         LDFLAGS="${OLD_LDFLAGS}"
1527         AC_SUBST(have_ubsan)
1528         AC_SUBST(ubsan_cflags)
1529         AC_SUBST(ubsan_ldflags)
1530 fi
1531 if test "$enable_ubsan" = "yes" && test "$have_ubsan" != "yes"; then
1532         AC_MSG_ERROR([UBSAN not supported by compiler.])
1533 fi
1534 dnl
1535 dnl Enable ADDRSAN for all packages
1536 dnl
1537 AC_ARG_ENABLE([addrsan],
1538 AS_HELP_STRING([--enable-addrsan],[enable address sanitizer]),,
1539 enable_addrsan=no)
1540 if test "$enable_addrsan" = "yes" || test "$enable_addrsan" = "probe"; then
1541         AC_MSG_CHECKING([if C compiler supports ADDRSAN])
1542         OLD_CFLAGS="$CFLAGS"
1543         OLD_LDFLAGS="$LDFLAGS"
1544         ADDRSAN_FLAGS="-fsanitize=address"
1545         CFLAGS="$CFLAGS $ADDRSAN_FLAGS"
1546         LDFLAGS="$LDFLAGS $ADDRSAN_FLAGS"
1547         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1548                 [AC_MSG_RESULT([yes])]
1549                 [addrsan_cflags=$ADDRSAN_FLAGS]
1550                 [addrsan_ldflags=$ADDRSAN_FLAGS]
1551                 [have_addrsan=yes],
1552                 [AC_MSG_RESULT([no])])
1553         CFLAGS="${OLD_CFLAGS}"
1554         LDFLAGS="${OLD_LDFLAGS}"
1555         AC_SUBST(have_addrsan)
1556         AC_SUBST(addrsan_cflags)
1557         AC_SUBST(addrsan_ldflags)
1558 fi
1559 if test "$enable_addrsan" = "yes" && test "$have_addrsan" != "yes"; then
1560         AC_MSG_ERROR([ADDRSAN not supported by compiler.])
1561 fi
1562 dnl
1563 dnl Enable THREADSAN for all packages
1564 dnl
1565 AC_ARG_ENABLE([threadsan],
1566 AS_HELP_STRING([--enable-threadsan],[enable thread sanitizer]),,
1567 enable_threadsan=no)
1568 if test "$enable_threadsan" = "yes" || test "$enable_threadsan" = "probe"; then
1569         AC_MSG_CHECKING([if C compiler supports THREADSAN])
1570         OLD_CFLAGS="$CFLAGS"
1571         OLD_LDFLAGS="$LDFLAGS"
1572         THREADSAN_FLAGS="-fsanitize=thread"
1573         CFLAGS="$CFLAGS $THREADSAN_FLAGS"
1574         LDFLAGS="$LDFLAGS $THREADSAN_FLAGS"
1575         AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1576                 [AC_MSG_RESULT([yes])]
1577                 [threadsan_cflags=$THREADSAN_FLAGS]
1578                 [threadsan_ldflags=$THREADSAN_FLAGS]
1579                 [have_threadsan=yes],
1580                 [AC_MSG_RESULT([no])])
1581         CFLAGS="${OLD_CFLAGS}"
1582         LDFLAGS="${OLD_LDFLAGS}"
1583         AC_SUBST(have_threadsan)
1584         AC_SUBST(threadsan_cflags)
1585         AC_SUBST(threadsan_ldflags)
1586 fi
1587 if test "$enable_threadsan" = "yes" && test "$have_threadsan" != "yes"; then
1588         AC_MSG_ERROR([THREADSAN not supported by compiler.])
1589 fi
1590 if test "$have_threadsan" = "yes" && test "$have_addrsan" = "yes"; then
1591         AC_MSG_WARN([ADDRSAN and THREADSAN are not known to work together.])
1592 fi
1593 dnl
1594 dnl Enable the fuzzer sanitizer for all packages
1595 dnl
1596 FUZZING_CMT="#"
1597 AC_ARG_ENABLE([fuzzing],
1598 AS_HELP_STRING([--enable-fuzzing],[enable fuzzing sanitizer]),,
1599 enable_fuzzing=no)
1600 if test "$enable_fuzzing" = "yes" || test "$enable_fuzzing" = "probe"; then
1601         AC_PROG_CXX
1602         AC_MSG_CHECKING([if C compiler supports fuzzing sanitizer])
1603         AC_LANG_PUSH([C++])
1604         OLD_CXXFLAGS="$CXXFLAGS"
1605         OLD_LDFLAGS="$LDFLAGS"
1606         FUZZER_FLAGS="-fsanitize=fuzzer"
1607         CXXFLAGS="$CXXFLAGS $FUZZER_FLAGS"
1608         LDFLAGS="$LDFLAGS $FUZZER_FLAGS"
1609         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1610                 #include <stddef.h>
1611                 #include <stdint.h>
1612                 ]],
1613                 [ return 0; ])],
1614                 [AC_MSG_RESULT([yes])]
1615                 [fuzzer_cflags=$FUZZER_FLAGS]
1616                 [fuzzer_ldflags=$FUZZER_FLAGS]
1617                 [FUZZING_CMT=]
1618                 [have_fuzzer=yes],
1619                 [AC_MSG_RESULT([no])]
1620                 [AC_MSG_ERROR([fuzzing requested but not available])])
1621         CXXFLAGS="${OLD_CXXFLAGS}"
1622         LDFLAGS="${OLD_LDFLAGS}"
1623         AC_LANG_POP([C++])
1624         AC_SUBST(have_fuzzer)
1625         AC_SUBST(fuzzer_cflags)
1626         AC_SUBST(fuzzer_ldflags)
1627 fi
1628 if test "$enable_fuzzer" = "yes" && test "$have_fuzzer" != "yes"; then
1629         AC_MSG_ERROR([Fuzzing not supported by compiler.])
1630 fi
1631 AC_SUBST(FUZZING_CMT)
1632 dnl
1633 dnl OS-specific uncomment control
1634 dnl
1635 LINUX_CMT="#"
1636 CYGWIN_CMT="#"
1637 UNIX_CMT=
1638 case "$host_os" in
1639 linux*)
1640         LINUX_CMT=
1641         ;;
1642 cygwin)
1643         CYGWIN_CMT=
1644         UNIX_CMT="#"
1645         ;;
1646 esac
1647 AC_SUBST(LINUX_CMT)
1648 AC_SUBST(CYGWIN_CMT)
1649 AC_SUBST(UNIX_CMT)
1650 dnl
1651 dnl e2scrub only builds on linux
1652 dnl
1653 E2SCRUB_CMT="$LINUX_CMT"
1654 AC_SUBST(E2SCRUB_CMT)
1655 dnl
1656 dnl Linux and Hurd places root files in the / by default
1657 dnl
1658 case "$host_os" in
1659 linux* | gnu* | k*bsd*-gnu)
1660         if test "$prefix" = NONE -a "$root_prefix" = NONE ; then
1661                 root_prefix="";
1662                 AC_MSG_RESULT([On $host_os systems, root_prefix defaults to ''])
1663         fi
1664         ;;
1665 esac
1666 dnl
1667 dnl On Linux/hurd, force the prefix to be /usr
1668 dnl
1669 case "$host_os" in
1670 linux* | gnu* | k*bsd*-gnu)
1671         if test "$prefix" = NONE ; then
1672                 prefix="/usr";
1673                 AC_MSG_RESULT([On $host_os systems, prefix defaults to /usr])
1674                 if test "$mandir" = '${prefix}/man' ; then
1675                         AC_MSG_RESULT([...and mandir defaults to /usr/share/man])
1676                         mandir=/usr/share/man
1677                 fi
1678         fi
1679 ;;
1680 esac
1681 if test "$root_prefix" = NONE ; then
1682         if test "$prefix" = NONE ; then
1683                 root_prefix="$ac_default_prefix"
1684         else
1685                 root_prefix="$prefix"
1686         fi
1687         root_bindir=$bindir
1688         root_sbindir=$sbindir
1689         root_libdir=$libdir
1690         root_sysconfdir=$sysconfdir
1691 else
1692         root_bindir='${root_prefix}/bin'
1693         root_sbindir='${root_prefix}/sbin'
1694         root_libdir='${root_prefix}/lib'
1695         root_sysconfdir='${root_prefix}/etc'
1696 fi
1697 if test "$bindir" != '${exec_prefix}/bin'; then
1698     root_bindir=$bindir
1699     AC_MSG_RESULT([Setting root_bindir to $root_bindir])
1700 fi
1701 if test "$sbindir" != '${exec_prefix}/sbin'; then
1702     root_sbindir=$sbindir
1703     AC_MSG_RESULT([Setting root_sbindir to $root_sbindir])
1704 fi
1705 if test "$libdir" != '${exec_prefix}/lib'; then
1706     root_libdir=$libdir
1707     AC_MSG_RESULT([Setting root_libdir to $root_libdir])
1708 fi
1709 if test "$sysconfdir" != '${prefix}/etc'; then
1710     root_sysconfdir=$sysconfdir
1711     AC_MSG_RESULT([Setting root_sysconfdir to $root_sysconfdir])
1712 fi
1713 AC_SUBST(root_prefix)
1714 AC_SUBST(root_bindir)
1715 AC_SUBST(root_sbindir)
1716 AC_SUBST(root_libdir)
1717 AC_SUBST(root_sysconfdir)
1718 dnl
1719 dnl Allow specification of the multiarch arch
1720 dnl
1721 AC_ARG_WITH([multiarch],
1722 AS_HELP_STRING([--with-multiarch=ARCH],[specify the multiarch triplet]),
1723 if test "$withval" = "lib64"; then
1724     libdir=/usr/lib64
1725     root_libdir=/lib64
1726 else
1727     libdir=$libdir/$withval
1728     root_libdir=$root_libdir/$withval
1729 fi
1730 )
1731 dnl
1732 dnl
1733 dnl See if -static works.  This could fail if the linker does not
1734 dnl support -static, or if required external libraries are not available
1735 dnl in static form.
1736 dnl
1737 AC_MSG_CHECKING([whether we can link with -static])
1738 AC_CACHE_VAL(ac_cv_e2fsprogs_use_static,
1739 [SAVE_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS_STATIC -static"
1740 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[fflush(stdout);]])],[ac_cv_e2fsprogs_use_static=yes],[ac_cv_e2fsprogs_use_static=no])
1741 LDFLAGS=$SAVE_LDFLAGS])
1742 dnl
1743 dnl Regardless of how the test turns out, Solaris doesn't handle -static
1744 dnl This is caused by the socket library requiring the nsl library, which
1745 dnl requires the -dl library, which only works for dynamically linked
1746 dnl programs.  It basically means you can't have statically linked programs
1747 dnl which use the network under Solaris.
1748 dnl
1749 case "$host_os" in
1750 solaris2.*)
1751         ac_cv_e2fsprogs_use_static=no
1752 ;;
1753 esac
1754 AC_MSG_RESULT($ac_cv_e2fsprogs_use_static)
1755 if test $ac_cv_e2fsprogs_use_static = yes; then
1756         LDFLAGS_STATIC="$LDFLAGS_STATIC -static"
1757 fi
1758 AC_SUBST(LDFLAGS_STATIC)
1759 dnl
1760 dnl Work around mysterious Darwin / GNU libintl problem
1761 dnl (__asm__ redirection doesn't work for some mysterious reason.  Looks like
1762 dnl Apple hacked gcc somehow?)
1763 dnl
1764 case "$host_os" in
1765 darwin*)
1766         AC_MSG_RESULT([Using Apple Darwin / GNU libintl workaround])
1767         AC_DEFINE(_INTL_REDIRECT_MACROS, 1,
1768                 [Define to 1 if Apple Darwin libintl workaround is needed])
1769         ;;
1770 esac
1771 dnl
1772 dnl Only try to run the test suite if we're not cross compiling.
1773 dnl
1774 if test "$cross_compiling" = yes ; then
1775   DO_TEST_SUITE=
1776 else
1777   DO_TEST_SUITE=check
1778 fi
1779 AC_SUBST(DO_TEST_SUITE)
1780 dnl
1781 dnl Only include the intl include files if we're building with them
1782 dnl
1783 INCLUDES='-I. -I$(top_builddir)/lib -I$(top_srcdir)/lib'
1784 if test -n "$CPPFLAGS" ; then
1785         INCLUDES="$INCLUDES $CPPFLAGS"
1786 fi
1787 if test "$USE_INCLUDED_LIBINTL" = "yes" ; then
1788         INCLUDES=$INCLUDES' -I$(top_builddir)/intl -I$(top_srcdir)/intl'
1789 fi
1790 if test -n "$WITH_DIET_LIBC" ; then
1791         INCLUDES="$INCLUDES -D_REENTRANT"
1792 fi
1793 case "$host_os" in
1794 mingw*)
1795         INCLUDES=$INCLUDES' -I$(top_srcdir)/include/mingw'
1796         ;;
1797 esac
1798 AC_SUBST(INCLUDES)
1799 dnl
1800 dnl Build CFLAGS
1801 dnl
1802 if test $cross_compiling = no; then
1803    BUILD_CFLAGS="$CFLAGS $CPPFLAGS $INCLUDES -DHAVE_CONFIG_H"
1804    BUILD_LDFLAGS="$LDFLAGS"
1805 fi
1806 AC_SUBST(BUILD_CFLAGS)
1807 AC_SUBST(BUILD_LDFLAGS)
1808 dnl
1809 dnl Define CFLAGS and LDFLAGS for shared libraries
1810 dnl
1811 CFLAGS_SHLIB=${CFLAGS_SHLIB:-$CFLAGS}
1812 CFLAGS_STLIB=${CFLAGS_STLIB:-$CFLAGS}
1813 LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
1814 AC_SUBST(CFLAGS_SHLIB)
1815 AC_SUBST(CFLAGS_STLIB)
1816 AC_SUBST(LDFLAGS_SHLIB)
1817
1818 dnl
1819 dnl Where do udev rules go?
1820 dnl
1821 AC_ARG_WITH([udev_rules_dir],
1822   [AS_HELP_STRING([--with-udev-rules-dir@<:@=DIR@:>@],
1823         [Install udev rules into DIR.])],
1824   [],
1825   [with_udev_rules_dir=yes])
1826 AS_IF([test "x${with_udev_rules_dir}" != "xno"],
1827   [
1828         AS_IF([test "x${with_udev_rules_dir}" = "xyes"],
1829           [
1830                 PKG_CHECK_MODULES([udev], [udev],
1831                   [
1832                         with_udev_rules_dir="$($PKG_CONFIG --variable=udevdir udev)/rules.d"
1833                   ], [
1834                         with_udev_rules_dir=""
1835                   ])
1836           ])
1837         AC_MSG_CHECKING([for udev rules dir])
1838         pkg_udev_rules_dir="${with_udev_rules_dir}"
1839         AS_IF([test -n "${pkg_udev_rules_dir}"],
1840           [
1841                 AC_MSG_RESULT(${pkg_udev_rules_dir})
1842                 have_udev="yes"
1843           ],
1844           [
1845                 AC_MSG_RESULT(no)
1846                 have_udev="no"
1847           ])
1848   ],
1849   [
1850         have_udev="disabled"
1851   ])
1852 AC_SUBST(have_udev)
1853 AC_SUBST(pkg_udev_rules_dir)
1854
1855 dnl
1856 dnl Where do cron jobs go?
1857 dnl
1858 AC_ARG_WITH([crond_dir],
1859   [AS_HELP_STRING([--with-crond-dir@<:@=DIR@:>@],
1860         [Install system crontabs into DIR.])],
1861   [],
1862   [with_crond_dir=yes])
1863 AS_IF([test "x${with_crond_dir}" != "xno"],
1864   [
1865         AS_IF([test "x${with_crond_dir}" = "xyes"],
1866           [
1867                 AS_IF([test -d "/etc/cron.d"],
1868                   [with_crond_dir="/etc/cron.d"],
1869                   [have_crond="no"; with_crond_dir=""])
1870           ])
1871         AC_MSG_CHECKING([for system crontab dir])
1872         crond_dir="${with_crond_dir}"
1873         AS_IF([test -n "${crond_dir}"],
1874           [
1875                 AC_MSG_RESULT(${crond_dir})
1876                 have_crond="yes"
1877           ],
1878           [
1879                 AC_MSG_RESULT(no)
1880                 have_crond="no"
1881           ])
1882   ],
1883   [
1884         have_crond="disabled"
1885   ])
1886 AC_SUBST(have_crond)
1887 AC_SUBST(crond_dir)
1888
1889 dnl
1890 dnl Where do systemd services go?
1891 dnl
1892 AC_ARG_WITH([systemd_unit_dir],
1893   [AS_HELP_STRING([--with-systemd-unit-dir@<:@=DIR@:>@],
1894         [Install systemd system units into DIR.])],
1895   [],
1896   [with_systemd_unit_dir=yes])
1897 AS_IF([test "x${with_systemd_unit_dir}" != "xno"],
1898   [
1899         AS_IF([test "x${with_systemd_unit_dir}" = "xyes"],
1900           [
1901                 PKG_CHECK_MODULES([systemd], [systemd],
1902                   [
1903                         with_systemd_unit_dir="$($PKG_CONFIG --variable=systemdsystemunitdir systemd)"
1904                   ], [
1905                         with_systemd_unit_dir=""
1906                   ])
1907                 m4_pattern_allow([^PKG_(MAJOR|MINOR|BUILD|REVISION)$])
1908           ])
1909         AC_MSG_CHECKING([for systemd system unit dir])
1910         systemd_system_unit_dir="${with_systemd_unit_dir}"
1911         AS_IF([test -n "${systemd_system_unit_dir}"],
1912           [
1913                 AC_MSG_RESULT(${systemd_system_unit_dir})
1914                 have_systemd="yes"
1915           ],
1916           [
1917                 AC_MSG_RESULT(no)
1918                 have_systemd="no"
1919           ])
1920   ],
1921   [
1922         have_systemd="disabled"
1923   ])
1924 AC_SUBST(have_systemd)
1925 AC_SUBST(systemd_system_unit_dir)
1926 dnl Adjust the compiled files if we are on windows vs everywhere else
1927 dnl
1928 OS_IO_FILE=""
1929 [case "$host_os" in
1930   mingw*)
1931     OS_IO_FILE=windows_io
1932   ;;
1933   *)
1934     OS_IO_FILE=unix_io
1935   ;;
1936 esac]
1937 AC_SUBST(OS_IO_FILE)
1938
1939 AC_SYS_LARGEFILE
1940
1941 dnl
1942 dnl Make our output files, being sure that we create the some miscellaneous
1943 dnl directories
1944 dnl
1945 test -d lib || mkdir lib
1946 test -d include || mkdir include
1947 test -d include/linux || mkdir include/linux
1948 test -d include/asm || mkdir include/asm
1949 if test -z "$UUID_CMT" ; then
1950         uuid_out_list="lib/uuid/Makefile lib/uuid/uuid.pc \
1951                 lib/uuid/uuid_types.h"
1952 fi
1953 if test -z "$BLKID_CMT" ; then
1954         blkid_out_list="lib/blkid/Makefile lib/blkid/blkid.pc \
1955                 lib/blkid/blkid_types.h"
1956 fi
1957 for i in MCONFIG Makefile \
1958         util/Makefile util/subst.conf util/gen-tarball util/install-symlink \
1959         lib/et/Makefile lib/ss/Makefile lib/e2p/Makefile \
1960         lib/ext2fs/Makefile lib/ext2fs/ext2_types.h \
1961         $uuid_out_list $blkid_out_list lib/support/Makefile \
1962         lib/ss/ss.pc lib/et/com_err.pc lib/e2p/e2p.pc lib/ext2fs/ext2fs.pc \
1963         misc/Makefile ext2ed/Makefile e2fsck/Makefile \
1964         debugfs/Makefile tests/Makefile tests/progs/Makefile \
1965         tests/fuzz/Makefile resize/Makefile doc/Makefile \
1966         po/Makefile.in scrub/Makefile; do
1967         if test -d `dirname ${srcdir}/$i` ; then
1968                 outlist="$outlist $i"
1969         fi
1970 done
1971 AC_CONFIG_FILES([$outlist])
1972 AC_OUTPUT
1973 if test -f util/gen-tarball; then chmod +x util/gen-tarball; fi