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1 AC_PREREQ(2.59)
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2
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3 AC_INIT(fixincludes, [ ])
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4 AC_CONFIG_SRCDIR(inclhack.def)
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5 AC_CONFIG_AUX_DIR(..)
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6 m4_sinclude(../libtool.m4)
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7 AC_CANONICAL_SYSTEM
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8 AC_PROG_CC
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9 AC_PROG_SED
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10
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11 # Figure out what compiler warnings we can enable.
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12 # See config/warnings.m4 for details.
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13
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14 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
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15 -Wmissing-prototypes -Wold-style-definition \
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16 -Wmissing-format-attribute -Wno-overlength-strings])
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17 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
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18
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19 # Only enable with --enable-werror-always until existing warnings are
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20 # corrected.
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21 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
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22
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23 # Determine the noncanonical target name, for directory use.
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24 ACX_NONCANONICAL_TARGET
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25
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26 # Specify the local prefix
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27 local_prefix=
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28 AC_ARG_WITH(local-prefix,
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29 [ --with-local-prefix=DIR specifies directory to put local include],
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30 [case "${withval}" in
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31 yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
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32 no) ;;
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33 *) local_prefix=$with_local_prefix ;;
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34 esac])
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35
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36 # Default local prefix if it is empty
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37 if test x$local_prefix = x; then
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38 local_prefix=/usr/local
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39 fi
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40
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41 # Choose one or two-process fix methodology. Systems that cannot handle
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42 # bi-directional pipes must use the two process method.
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43 #
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44 AC_ARG_ENABLE([twoprocess],
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45 [ --enable-twoprocess Use a separate process to apply the fixes],
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46 [if test "x$enable_twoprocess" = xyes; then
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47 TARGET=twoprocess
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48 else
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49 TARGET=oneprocess
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50 fi],
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51 [case $host in
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52 i?86-*-msdosdjgpp* | \
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53 i?86-*-mingw32* | \
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54 x86_64-*-mingw32* | \
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55 *-*-beos* )
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56 TARGET=twoprocess
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57 ;;
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58
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59 * )
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60 TARGET=oneprocess
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61 ;;
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62 esac])
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63 AC_SUBST(TARGET)
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64
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65 if test $TARGET = twoprocess; then
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66 AC_DEFINE(SEPARATE_FIX_PROC, 1,
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67 [Define if testing and fixing are done by separate process])
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68 fi
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69
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70 case $host in
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71 vax-dec-bsd* )
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72 AC_DEFINE(exit, xexit, [Define to xexit if the host system does not support atexit])
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73 AC_DEFINE(atexit, xatexit, [Define to xatexit if the host system does not support atexit])
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74 ;;
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75 esac
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76
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77 AC_DEFINE_UNQUOTED([EXE_EXT], "$ac_exeext",
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78 [Defined to the executable file extension on the host system])
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79
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80 # Checks for header files.
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81 AC_HEADER_STDC
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82 AC_CHECK_HEADERS([stddef.h stdlib.h strings.h unistd.h fcntl.h sys/file.h \
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83 sys/stat.h])
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84 define(fixincludes_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
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85 ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
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86 fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
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87 fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
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88 putchar_unlocked putc_unlocked)
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89 AC_CHECK_FUNCS(fixincludes_UNLOCKED_FUNCS)
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90 AC_CHECK_DECLS(m4_split(m4_normalize(abort asprintf basename errno vasprintf fixincludes_UNLOCKED_FUNCS)))
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91
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92 # Checks for typedefs, structures, and compiler characteristics.
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93 AC_C_CONST
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94
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95 # Checks for library functions.
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96 gcc_AC_FUNC_MMAP_BLACKLIST
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97
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98 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
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99 AC_ARG_ENABLE(maintainer-mode,
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100 [ --enable-maintainer-mode enable make rules and dependencies not useful
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101 (and sometimes confusing) to the casual installer],
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102 USE_MAINTAINER_MODE=$enableval,
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103 USE_MAINTAINER_MODE=no)
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104 AC_MSG_RESULT($USE_MAINTAINER_MODE)
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105 if test "$USE_MAINTAINER_MODE" = yes; then
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106 MAINT=
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107 else
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108 MAINT='#'
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109 fi
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110 AC_SUBST(MAINT)
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111 AC_DEFINE_UNQUOTED([SED_PROGRAM], "${SED}",
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112 [Defined to the best working sed program on the host system])
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113
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114 AC_CONFIG_HEADERS(config.h, [echo timestamp > stamp-h])
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115 AC_CONFIG_FILES(Makefile mkheaders.almost:mkheaders.in)
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116 AC_OUTPUT
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