#                                               -*- Autoconf -*-# Process this file with autoconf to produce a configure script. AC_INIT(cpplib, [ ], https://gcc.gnu.org/bugs/, cpplib)AC_CONFIG_SRCDIR(ucnid.h)AC_CONFIG_MACRO_DIR(../config)AC_CANONICAL_SYSTEM # Checks for programs.AC_PROG_MAKE_SETAC_PROG_INSTALLAC_PROG_CCAC_PROG_CXXAC_PROG_RANLIBAC_CHECK_TOOL(AR, ar) AC_USE_SYSTEM_EXTENSIONSAC_SYS_LARGEFILE MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missingAC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf])AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader]) if test -z "$ETAGS"; then  ETAGS=etagsfiAC_SUBST([ETAGS]) # Figure out what compiler warnings we can enable.# See config/warnings.m4 for details. 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