fixincludes/configure.ac

   1 AC_PREREQ(2.59)
   2
   3 AC_INIT(fixincludes, [ ])
   4 AC_CONFIG_SRCDIR(inclhack.def)
   5 AC_CONFIG_AUX_DIR(..)
   6 AC_CANONICAL_SYSTEM
   7 AC_PROG_CC
   8 AC_PROG_SED
   9
  10 # Figure out what compiler warnings we can enable.
  11 # See config/warnings.m4 for details.
  12
  13 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
  14                           -Wmissing-prototypes -Wold-style-definition \
  15                           -Wmissing-format-attribute -Wno-overlength-strings])
  16 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
  17
  18 # Only enable with --enable-werror-always until existing warnings are
  19 # corrected.
  20 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
  21
  22 # Determine the noncanonical target name, for directory use.
  23 ACX_NONCANONICAL_TARGET
  24
  25 # Specify the local prefix
  26 local_prefix=
  27 AC_ARG_WITH(local-prefix,
  28 [  --with-local-prefix=DIR specifies directory to put local include],
  29 [case "${withval}" in
  30 yes)    AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
  31 no)     ;;
  32 *)      local_prefix=$with_local_prefix ;;
  33 esac])
  34
  35 # Default local prefix if it is empty
  36 if test x$local_prefix = x; then
  37         local_prefix=/usr/local
  38 fi
  39
  40 # Choose one or two-process fix methodology.  Systems that cannot handle
  41 # bi-directional pipes must use the two process method.
  42 #
  43 AC_ARG_ENABLE([twoprocess],
  44 [  --enable-twoprocess       Use a separate process to apply the fixes],
  45 [if test "x$enable_twoprocess" = xyes; then
  46         TARGET=twoprocess
  47 else
  48         TARGET=oneprocess
  49 fi],
  50 [case $host in
  51         i?86-*-msdosdjgpp* | \
  52         i?86-*-mingw32* | \
  53         x86_64-*-mingw32* | \
  54         *-*-beos* )
  55                 TARGET=twoprocess
  56                 ;;
  57
  58         * )
  59                 TARGET=oneprocess
  60                 ;;
  61 esac])
  62 AC_SUBST(TARGET)
  63
  64 if test $TARGET = twoprocess; then
  65         AC_DEFINE(SEPARATE_FIX_PROC, 1,
  66                   [Define if testing and fixing are done by separate process])
  67 fi
  68
  69 case $host in
  70         vax-dec-bsd* )
  71                 AC_DEFINE(exit, xexit, [Define to xexit if the host system does not support atexit])
  72                 AC_DEFINE(atexit, xatexit, [Define to xatexit if the host system does not support atexit])
  73                 ;;
  74 esac
  75
  76 AC_DEFINE_UNQUOTED([EXE_EXT], "$ac_exeext",
  77   [Defined to the executable file extension on the host system])
  78
  79 # Checks for header files.
  80 AC_HEADER_STDC
  81 AC_CHECK_HEADERS([stddef.h stdlib.h strings.h unistd.h fcntl.h sys/file.h \
  82         sys/stat.h])
  83 define(fixincludes_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
  84   ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
  85   fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
  86   fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
  87   putchar_unlocked putc_unlocked)
  88 AC_CHECK_FUNCS(fixincludes_UNLOCKED_FUNCS)
  89 AC_CHECK_DECLS(m4_split(m4_normalize(abort asprintf basename errno vasprintf fixincludes_UNLOCKED_FUNCS)))
  90
  91 # Checks for typedefs, structures, and compiler characteristics.
  92 AC_C_CONST
  93
  94 # Checks for library functions.
  95 gcc_AC_FUNC_MMAP_BLACKLIST
  96
  97 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
  98 AC_ARG_ENABLE(maintainer-mode,
  99 [  --enable-maintainer-mode enable make rules and dependencies not useful
 100                           (and sometimes confusing) to the casual installer],
 101       USE_MAINTAINER_MODE=$enableval,
 102       USE_MAINTAINER_MODE=no)
 103 AC_MSG_RESULT($USE_MAINTAINER_MODE)
 104 if test "$USE_MAINTAINER_MODE" = yes; then
 105   MAINT=
 106 else
 107   MAINT='#'
 108 fi
 109 AC_SUBST(MAINT)
 110 AC_DEFINE_UNQUITED([SED_PROGRAM], "${SED}",
 111    [Defined to the best working sed program on the host system])
 112
 113 AC_CONFIG_HEADERS(config.h, [echo timestamp > stamp-h])
 114 AC_CONFIG_FILES(Makefile mkheaders.almost:mkheaders.in)
 115 AC_OUTPUT