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      1 
      2 AC_INIT(fixincludes, [ ])
      3 AC_CONFIG_SRCDIR(inclhack.def)
      4 AC_CONFIG_AUX_DIR(..)
      5 m4_sinclude(../libtool.m4)
      6 AC_CANONICAL_SYSTEM
      7 AC_PROG_CC
      8 AC_USE_SYSTEM_EXTENSIONS
      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         *-*-*vms*)
     57 		TARGET=twoprocess
     58 		;;
     59 
     60 	* )
     61 		TARGET=oneprocess
     62 		;;
     63 esac])
     64 AC_SUBST(TARGET)
     65 
     66 if test $TARGET = twoprocess; then
     67 	AC_DEFINE(SEPARATE_FIX_PROC, 1,
     68 		  [Define if testing and fixing are done by separate process])
     69 fi
     70 
     71 # Enable --enable-host-pie.
     72 AC_ARG_ENABLE(host-pie,
     73 [AS_HELP_STRING([--enable-host-pie],
     74        [build host code as PIE])],
     75 [PICFLAG=-fPIE; LD_PICFLAG=-pie], [])
     76 AC_SUBST(PICFLAG)
     77 AC_SUBST(LD_PICFLAG)
     78 
     79 case $host in
     80 	vax-dec-bsd* )
     81 		AC_DEFINE(exit, xexit, [Define to xexit if the host system does not support atexit])
     82 		AC_DEFINE(atexit, xatexit, [Define to xatexit if the host system does not support atexit])
     83 		;;
     84 esac
     85 
     86 AC_DEFINE_UNQUOTED([EXE_EXT], "$ac_exeext",
     87   [Defined to the executable file extension on the host system])
     88 
     89 # Checks for header files.
     90 AC_HEADER_STDC
     91 AC_CHECK_HEADERS([stddef.h stdlib.h strings.h unistd.h fcntl.h sys/file.h \
     92 	sys/stat.h])
     93 define(fixincludes_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
     94   ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
     95   fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
     96   fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
     97   putchar_unlocked putc_unlocked)
     98 AC_CHECK_FUNCS(fixincludes_UNLOCKED_FUNCS)
     99 AC_CHECK_DECLS([abort, asprintf, basename(char *), errno, vasprintf, memmem])
    100 AC_CHECK_DECLS(m4_split(m4_normalize(fixincludes_UNLOCKED_FUNCS)))
    101 
    102 # Checks for typedefs, structures, and compiler characteristics.
    103 AC_C_CONST
    104 
    105 # Checks for library functions.
    106 GCC_AC_FUNC_MMAP_BLACKLIST
    107 
    108 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
    109 AC_ARG_ENABLE(maintainer-mode,
    110 [  --enable-maintainer-mode enable make rules and dependencies not useful
    111                           (and sometimes confusing) to the casual installer],
    112       USE_MAINTAINER_MODE=$enableval,
    113       USE_MAINTAINER_MODE=no)
    114 AC_MSG_RESULT($USE_MAINTAINER_MODE)
    115 if test "$USE_MAINTAINER_MODE" = yes; then
    116   MAINT=
    117 else
    118   MAINT='#'
    119 fi	
    120 AC_SUBST(MAINT)
    121 AC_DEFINE_UNQUOTED([SED_PROGRAM], "${SED}",
    122    [Defined to the best working sed program on the host system])
    123 
    124 # Determine what GCC version number to use in filesystem paths.
    125 GCC_BASE_VER
    126 
    127 AC_CONFIG_HEADERS(config.h, [echo timestamp > stamp-h])
    128 AC_CONFIG_FILES(Makefile mkheaders.almost:mkheaders.in)
    129 AC_OUTPUT
    130