fixincludes/configure.ac

   1 AC_PREREQ(2.64)
   2
   3 AC_INIT(fixincludes, [ ])
   4 AC_CONFIG_SRCDIR(inclhack.def)
   5 AC_CONFIG_AUX_DIR(..)
   6 m4_sinclude(../libtool.m4)
   7 AC_CANONICAL_SYSTEM
   8 AC_PROG_CC
   9 AC_PROG_SED
  10
  11 # Figure out what compiler warnings we can enable.
  12 # See config/warnings.m4 for details.
  13
  14 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
  15                           -Wmissing-prototypes -Wold-style-definition \
  16                           -Wmissing-format-attribute -Wno-overlength-strings])
  17 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
  18
  19 # Only enable with --enable-werror-always until existing warnings are
  20 # corrected.
  21 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
  22
  23 # Determine the noncanonical target name, for directory use.
  24 ACX_NONCANONICAL_TARGET
  25
  26 # Specify the local prefix
  27 local_prefix=
  28 AC_ARG_WITH(local-prefix,
  29 [  --with-local-prefix=DIR specifies directory to put local include],
  30 [case "${withval}" in
  31 yes)    AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
  32 no)     ;;
  33 *)      local_prefix=$with_local_prefix ;;
  34 esac])
  35
  36 # Default local prefix if it is empty
  37 if test x$local_prefix = x; then
  38         local_prefix=/usr/local
  39 fi
  40
  41 # Choose one or two-process fix methodology.  Systems that cannot handle
  42 # bi-directional pipes must use the two process method.
  43 #
  44 AC_ARG_ENABLE([twoprocess],
  45 [  --enable-twoprocess       Use a separate process to apply the fixes],
  46 [if test "x$enable_twoprocess" = xyes; then
  47         TARGET=twoprocess
  48 else
  49         TARGET=oneprocess
  50 fi],
  51 [case $host in
  52         i?86-*-msdosdjgpp* | \
  53         i?86-*-mingw32* | \
  54         x86_64-*-mingw32* | \
  55         *-*-beos* )
  56                 TARGET=twoprocess
  57                 ;;
  58
  59         * )
  60                 TARGET=oneprocess
  61                 ;;
  62 esac])
  63 AC_SUBST(TARGET)
  64
  65 if test $TARGET = twoprocess; then
  66         AC_DEFINE(SEPARATE_FIX_PROC, 1,
  67                   [Define if testing and fixing are done by separate process])
  68 fi
  69
  70 case $host in
  71         vax-dec-bsd* )
  72                 AC_DEFINE(exit, xexit, [Define to xexit if the host system does not support atexit])
  73                 AC_DEFINE(atexit, xatexit, [Define to xatexit if the host system does not support atexit])
  74                 ;;
  75 esac
  76
  77 AC_DEFINE_UNQUOTED([EXE_EXT], "$ac_exeext",
  78   [Defined to the executable file extension on the host system])
  79
  80 # Checks for header files.
  81 AC_HEADER_STDC
  82 AC_CHECK_HEADERS([stddef.h stdlib.h strings.h unistd.h fcntl.h sys/file.h \
  83         sys/stat.h])
  84 define(fixincludes_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
  85   ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
  86   fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
  87   fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
  88   putchar_unlocked putc_unlocked)
  89 AC_CHECK_FUNCS(fixincludes_UNLOCKED_FUNCS)
  90 AC_CHECK_DECLS(m4_split(m4_normalize(abort asprintf basename errno vasprintf fixincludes_UNLOCKED_FUNCS)))
  91
  92 # Checks for typedefs, structures, and compiler characteristics.
  93 AC_C_CONST
  94
  95 # Checks for library functions.
  96 gcc_AC_FUNC_MMAP_BLACKLIST
  97
  98 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
  99 AC_ARG_ENABLE(maintainer-mode,
 100 [  --enable-maintainer-mode enable make rules and dependencies not useful
 101                           (and sometimes confusing) to the casual installer],
 102       USE_MAINTAINER_MODE=$enableval,
 103       USE_MAINTAINER_MODE=no)
 104 AC_MSG_RESULT($USE_MAINTAINER_MODE)
 105 if test "$USE_MAINTAINER_MODE" = yes; then
 106   MAINT=
 107 else
 108   MAINT='#'
 109 fi
 110 AC_SUBST(MAINT)
 111 AC_DEFINE_UNQUOTED([SED_PROGRAM], "${SED}",
 112    [Defined to the best working sed program on the host system])
 113
 114 AC_CONFIG_HEADERS(config.h, [echo timestamp > stamp-h])
 115 AC_CONFIG_FILES(Makefile mkheaders.almost:mkheaders.in)
 116 AC_OUTPUT