libdecnumber/configure.ac

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4 AC_PREREQ(2.59)
   5 AC_INIT(libdecnumber, [ ], gcc-bugs@gcc.gnu.org, libdecnumber)
   6 AC_CONFIG_SRCDIR(decNumber.h)
   7 AC_CONFIG_MACRO_DIR(../config)
   8
   9 # Checks for programs.
  10 AC_PROG_MAKE_SET
  11 AC_PROG_CC
  12 AC_PROG_RANLIB
  13
  14 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
  15 AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])
  16 AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf])
  17 AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader])
  18
  19 # Figure out what compiler warnings we can enable.
  20 # See config/warnings.m4 for details.
  21
  22 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
  23                           -Wmissing-prototypes -Wold-style-definition \
  24                           -Wmissing-format-attribute])
  25 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
  26
  27 # Only enable with --enable-werror-always until existing warnings are
  28 # corrected.
  29 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
  30
  31 # Checks for header files.
  32 AC_CHECK_HEADERS(ctype.h stddef.h string.h stdio.h)
  33
  34 # Checks for typedefs, structures, and compiler characteristics.
  35 AC_C_CONST
  36 AC_TYPE_OFF_T
  37 AC_CHECK_SIZEOF(int)
  38 AC_CHECK_SIZEOF(long)
  39
  40 # Checks for library functions.
  41 AC_HEADER_STDC
  42
  43 AC_ARG_ENABLE(maintainer-mode,
  44 [  --enable-maintainer-mode enable rules only needed by maintainers],,
  45 enable_maintainer_mode=no)
  46
  47 if test "x$enable_maintainer_mode" = xno; then
  48   MAINT='#'
  49 else
  50   MAINT=
  51 fi
  52 AC_SUBST(MAINT)
  53
  54 # Output.
  55
  56 AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])
  57 AC_CONFIG_FILES(Makefile)
  58 AC_OUTPUT