coreutils/m4/jm-macros.m4

#serial 16

dnl Misc type-related macros for fileutils, sh-utils, textutils.

AC_DEFUN(jm_MACROS,
[
  AC_PREREQ(2.14a)

  GNU_PACKAGE="GNU $PACKAGE"
  AC_DEFINE_UNQUOTED(GNU_PACKAGE, "$GNU_PACKAGE",
    [The concatenation of the strings `GNU ', and PACKAGE.])
  AC_SUBST(GNU_PACKAGE)

  AC_SUBST(OPTIONAL_BIN_PROGS)
  AC_SUBST(OPTIONAL_BIN_ZCRIPTS)
  AC_SUBST(MAN)
  AC_SUBST(DF_PROG)

  dnl This macro actually runs replacement code.  See isc-posix.m4.
  AC_REQUIRE([AC_ISC_POSIX])dnl

  AC_CHECK_HEADERS( \
    errno.h  \
    fcntl.h \
    fenv.h \
    float.h \
    limits.h \
    memory.h \
    mntent.h \
    mnttab.h \
    netdb.h \
    paths.h \
    stdlib.h \
    stddef.h \
    string.h \
    sys/acl.h \
    sys/filsys.h \
    sys/fs/s5param.h \
    sys/fs_types.h \
    sys/fstyp.h \
    sys/ioctl.h \
    sys/mntent.h \
    sys/mount.h \
    sys/param.h \
    sys/socket.h \
    sys/statfs.h \
    sys/statvfs.h \
    sys/systeminfo.h \
    sys/time.h \
    sys/timeb.h \
    sys/vfs.h \
    sys/wait.h \
    syslog.h \
    termios.h \
    unistd.h \
    utime.h \
    values.h \
  )

  jm_INCLUDED_REGEX([lib/regex.c])

  AC_REQUIRE([jm_BISON])
  AC_REQUIRE([jm_ASSERT])
  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
  AC_REQUIRE([jm_CHECK_TYPE_STRUCT_UTIMBUF])
  AC_REQUIRE([jm_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])
  AC_REQUIRE([jm_CHECK_TYPE_STRUCT_DIRENT_D_INO])
  AC_REQUIRE([jm_CHECK_DECLS])

  AC_REQUIRE([jm_PREREQ])

  AC_REQUIRE([jm_FUNC_LCHOWN])
  AC_REQUIRE([jm_FUNC_CHOWN])
  AC_REQUIRE([jm_FUNC_MKTIME])
  AC_REQUIRE([jm_FUNC_LSTAT])
  AC_REQUIRE([jm_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
  AC_REQUIRE([jm_FUNC_STAT])
  AC_REQUIRE([jm_FUNC_REALLOC])
  AC_REQUIRE([jm_FUNC_MALLOC])
  AC_REQUIRE([jm_FUNC_STRERROR_R])
  AC_REQUIRE([jm_FUNC_NANOSLEEP])
  AC_REQUIRE([jm_FUNC_READDIR])
  AC_REQUIRE([jm_FUNC_MEMCMP])
  AC_REQUIRE([jm_FUNC_GLIBC_UNLOCKED_IO])
  AC_REQUIRE([jm_FUNC_FNMATCH])
  AC_REQUIRE([jm_FUNC_GROUP_MEMBER])
  AC_REQUIRE([jm_FUNC_PUTENV])
  AC_REQUIRE([jm_AFS])
  AC_REQUIRE([jm_AC_PREREQ_XSTRTOUMAX])
  AC_REQUIRE([jm_AC_FUNC_LINK_FOLLOWS_SYMLINK])
  AC_REQUIRE([AM_FUNC_ERROR_AT_LINE])
  AC_REQUIRE([jm_FUNC_GNU_STRFTIME])
  AC_REQUIRE([jm_FUNC_MKTIME])

  AC_REQUIRE([jm_FUNC_GETGROUPS])
  test -n "$GETGROUPS_LIB" && LIBS="$GETGROUPS_LIB $LIBS"

  AC_REQUIRE([AC_FUNC_VPRINTF])
  AC_REQUIRE([AC_FUNC_ALLOCA])
  AC_REQUIRE([AM_FUNC_GETLOADAVG])
  AC_REQUIRE([jm_SYS_PROC_UPTIME])
  AC_REQUIRE([jm_FUNC_FTRUNCATE])

  AC_REPLACE_FUNCS(strcasecmp strncasecmp)
  AC_REPLACE_FUNCS(dup2)
  AC_REPLACE_FUNCS(gethostname getusershell)
  AC_REPLACE_FUNCS(stime strcspn stpcpy strstr strtol strtoul)
  AC_REPLACE_FUNCS(strpbrk)
  AC_REPLACE_FUNCS(euidaccess memcmp mkdir rmdir rpmatch strndup strverscmp)

  dnl used by e.g. intl/*domain.c and lib/canon-host.c
  AC_REPLACE_FUNCS(strdup)

  AC_REPLACE_FUNCS(memchr memmove memcpy memset)
  AC_CHECK_FUNCS(getpagesize)

  # By default, argmatch should fail calling usage (1).
  AC_DEFINE(ARGMATCH_DIE, [usage (1)],
	    [Define to the function xargmatch calls on failures.])
  AC_DEFINE(ARGMATCH_DIE_DECL, [extern void usage ()],
	    [Define to the declaration of the xargmatch failure function.])

  dnl Used to define SETVBUF in sys2.h.
  dnl This evokes the following warning from autoconf:
  dnl ...: warning: AC_TRY_RUN called without default to allow cross compiling
  AC_FUNC_SETVBUF_REVERSED

  # used by sleep and shred
  # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
  # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
  AC_SEARCH_LIBS(clock_gettime, [rt posix4])
  AC_CHECK_FUNCS(clock_gettime)
  AC_CHECK_FUNCS(gettimeofday)

  AC_REQUIRE([AC_FUNC_CLOSEDIR_VOID])
  AC_REQUIRE([jm_FUNC_UTIME])

  AC_CHECK_FUNCS( \
    acl \
    bcopy \
    endgrent \
    endpwent \
    fchdir \
    fdatasync \
    fseeko \
    ftime \
    ftruncate \
    getcwd \
    gethrtime \
    getmntinfo \
    hasmntopt \
    isascii \
    lchown \
    listmntent \
    localeconv \
    memcpy \
    mempcpy \
    mkfifo \
    realpath \
    resolvepath \
    sethostname \
    strchr \
    strerror \
    strrchr \
    sysinfo \
    tzset \
  )

  AM_FUNC_GETLINE
  if test $am_cv_func_working_getline != yes; then
    AC_CHECK_FUNCS(getdelim)
  fi
  AM_FUNC_OBSTACK

  AM_FUNC_STRTOD
  AC_SUBST(POW_LIBM)
  test $am_cv_func_strtod_needs_libm = yes && POW_LIBM=-lm

  jm_LANGINFO_CODESET

  jm_ICONV

  # These tests are for df.
  jm_LIST_MOUNTED_FILESYSTEMS([list_mounted_fs=yes], [list_mounted_fs=no])
  jm_FSTYPENAME
  jm_FILE_SYSTEM_USAGE([space=yes], [space=no])
  if test $list_mounted_fs = yes && test $space = yes; then
    DF_PROG="df"
    LIBOBJS="$LIBOBJS fsusage.$ac_objext"
    LIBOBJS="$LIBOBJS mountlist.$ac_objext"
  fi

])

# This macro must be invoked before any tests that run the compiler.
AC_DEFUN(jm_CHECK_ALL_TYPES,
[
  # Emit this code into config.h.in.
  # The ifndef is to avoid redefinition warnings.
  AH_VERBATIM([_GNU_SOURCE], [#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif])

  dnl This test must come as early as possible after the compiler configuration
  dnl tests, because the choice of the file model can (in principle) affect
  dnl whether functions and headers are available, whether they work, etc.
  AC_REQUIRE([AC_SYS_LARGEFILE])

  dnl This test must precede tests of compiler characteristics like
  dnl that for the inline keyword, since it may change the degree to
  dnl which the compiler supports such features.
  AC_REQUIRE([AM_C_PROTOTYPES])

  dnl Checks for typedefs, structures, and compiler characteristics.
  AC_REQUIRE([AC_C_BIGENDIAN])
  AC_REQUIRE([AC_PROG_CC_STDC])
  AC_REQUIRE([AC_C_CONST])
  AC_REQUIRE([AC_C_VOLATILE])
  AC_REQUIRE([AC_C_INLINE])
  AC_REQUIRE([AC_C_LONG_DOUBLE])

  AC_REQUIRE([AC_HEADER_DIRENT])
  AC_REQUIRE([AC_HEADER_STDC])
  AC_CHECK_MEMBERS((struct stat.st_blksize),,,[$ac_includes_default
#include <sys/stat.h>
  ])
  AC_REQUIRE([AC_STRUCT_ST_BLOCKS])

  AC_REQUIRE([AC_STRUCT_TM])
  AC_REQUIRE([AC_STRUCT_TIMEZONE])
  AC_REQUIRE([AC_HEADER_STAT])
  AC_REQUIRE([AC_STRUCT_ST_MTIM_NSEC])
  AC_REQUIRE([AC_STRUCT_ST_DM_MODE])
  AC_REQUIRE([jm_CHECK_TYPE_STRUCT_TIMESPEC])

  AC_REQUIRE([AC_TYPE_GETGROUPS])
  AC_REQUIRE([AC_TYPE_MODE_T])
  AC_REQUIRE([AC_TYPE_OFF_T])
  AC_REQUIRE([AC_TYPE_PID_T])
  AC_REQUIRE([AC_TYPE_SIGNAL])
  AC_REQUIRE([AC_TYPE_SIZE_T])
  AC_REQUIRE([AC_TYPE_UID_T])
  AC_CHECK_TYPE(ino_t, unsigned long)

  dnl This relies on the fact that autoconf 2.14a's implementation of
  dnl AC_CHECK_TYPE checks includes unistd.h.
  AC_CHECK_TYPE(ssize_t, int)

  AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
  AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])

  AC_REQUIRE([AC_HEADER_MAJOR])
  AC_REQUIRE([AC_HEADER_DIRENT])

])