configure.ac revision 1.7
1AC_PREREQ(2.64) 2 3AC_INIT(fixincludes, [ ]) 4AC_CONFIG_SRCDIR(inclhack.def) 5AC_CONFIG_AUX_DIR(..) 6m4_sinclude(../libtool.m4) 7AC_CANONICAL_SYSTEM 8AC_PROG_CC 9AC_USE_SYSTEM_EXTENSIONS 10AC_PROG_SED 11 12# Figure out what compiler warnings we can enable. 13# See config/warnings.m4 for details. 14 15ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \ 16 -Wmissing-prototypes -Wold-style-definition \ 17 -Wmissing-format-attribute -Wno-overlength-strings]) 18ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long]) 19 20# Only enable with --enable-werror-always until existing warnings are 21# corrected. 22ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual]) 23 24# Determine the noncanonical target name, for directory use. 25ACX_NONCANONICAL_TARGET 26 27# Specify the local prefix 28local_prefix= 29AC_ARG_WITH(local-prefix, 30[ --with-local-prefix=DIR specifies directory to put local include], 31[case "${withval}" in 32yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;; 33no) ;; 34*) local_prefix=$with_local_prefix ;; 35esac]) 36 37# Default local prefix if it is empty 38if test x$local_prefix = x; then 39 local_prefix=/usr/local 40fi 41 42# Choose one or two-process fix methodology. Systems that cannot handle 43# bi-directional pipes must use the two process method. 44# 45AC_ARG_ENABLE([twoprocess], 46[ --enable-twoprocess Use a separate process to apply the fixes], 47[if test "x$enable_twoprocess" = xyes; then 48 TARGET=twoprocess 49else 50 TARGET=oneprocess 51fi], 52[case $host in 53 i?86-*-msdosdjgpp* | \ 54 i?86-*-mingw32* | \ 55 x86_64-*-mingw32* | \ 56 *-*-beos* | \ 57 *-*-*vms*) 58 TARGET=twoprocess 59 ;; 60 61 * ) 62 TARGET=oneprocess 63 ;; 64esac]) 65AC_SUBST(TARGET) 66 67if test $TARGET = twoprocess; then 68 AC_DEFINE(SEPARATE_FIX_PROC, 1, 69 [Define if testing and fixing are done by separate process]) 70fi 71 72case $host in 73 vax-dec-bsd* ) 74 AC_DEFINE(exit, xexit, [Define to xexit if the host system does not support atexit]) 75 AC_DEFINE(atexit, xatexit, [Define to xatexit if the host system does not support atexit]) 76 ;; 77esac 78 79AC_DEFINE_UNQUOTED([EXE_EXT], "$ac_exeext", 80 [Defined to the executable file extension on the host system]) 81 82# Checks for header files. 83AC_HEADER_STDC 84AC_CHECK_HEADERS([stddef.h stdlib.h strings.h unistd.h fcntl.h sys/file.h \ 85 sys/stat.h]) 86define(fixincludes_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl 87 ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl 88 fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl 89 fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl 90 putchar_unlocked putc_unlocked) 91AC_CHECK_FUNCS(fixincludes_UNLOCKED_FUNCS) 92AC_CHECK_DECLS([abort, asprintf, basename(char *), errno, vasprintf]) 93AC_CHECK_DECLS(m4_split(m4_normalize(fixincludes_UNLOCKED_FUNCS))) 94 95# Checks for typedefs, structures, and compiler characteristics. 96AC_C_CONST 97 98# Checks for library functions. 99GCC_AC_FUNC_MMAP_BLACKLIST 100 101AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 102AC_ARG_ENABLE(maintainer-mode, 103[ --enable-maintainer-mode enable make rules and dependencies not useful 104 (and sometimes confusing) to the casual installer], 105 USE_MAINTAINER_MODE=$enableval, 106 USE_MAINTAINER_MODE=no) 107AC_MSG_RESULT($USE_MAINTAINER_MODE) 108if test "$USE_MAINTAINER_MODE" = yes; then 109 MAINT= 110else 111 MAINT='#' 112fi 113AC_SUBST(MAINT) 114AC_DEFINE_UNQUOTED([SED_PROGRAM], "${SED}", 115 [Defined to the best working sed program on the host system]) 116 117# Determine what GCC version number to use in filesystem paths. 118GCC_BASE_VER 119 120AC_CONFIG_HEADERS(config.h, [echo timestamp > stamp-h]) 121AC_CONFIG_FILES(Makefile mkheaders.almost:mkheaders.in) 122AC_OUTPUT 123