iverilog/vpi/configure.in

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dnl Process this file with autoconf to produce a configure script.
AC_INIT(vpi_config.h.in)
AC_CONFIG_HEADER(vpi_config.h)
AC_CANONICAL_HOST
dnl Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_CHECK_TOOL(STRIP, strip, true)
AC_CHECK_PROGS(LEX,flex,none)
if test "$LEX" = "none"
then
echo "*** Error: No suitable flex found. ***"
echo " Please install the 'flex' package."
exit 1
fi
AC_CHECK_PROGS(YACC,bison,none)
if test "$YACC" = "none"
then
echo "*** Error: No suitable bison found. ***"
echo " Please install the 'bison' package."
exit 1
fi
AC_EXEEXT
AC_SUBST(EXEEXT)
# Combined check for Microsoft-related bogosities; sets WIN32 if found
AX_WIN32
AX_CPP_IDENT
AC_CHECK_HEADERS(malloc.h inttypes.h)
AC_CHECK_LIB(z, gzwrite)
AC_CHECK_LIB(z, gzwrite, HAVE_LIBZ=yes, HAVE_LIBZ=no)
AC_SUBST(HAVE_LIBZ)
if test "$WIN32" = "yes"; then
AC_CHECK_LIB(bz2, main)
AC_CHECK_LIB(bz2, main, HAVE_LIBBZ2=yes, HAVE_LIBBZ2=no)
else
AC_CHECK_LIB(bz2, BZ2_bzdopen)
AC_CHECK_LIB(bz2, BZ2_bzdopen, HAVE_LIBBZ2=yes, HAVE_LIBBZ2=no)
fi
AC_SUBST(HAVE_LIBBZ2)
# fmin and fmax are needed by va_math.vpi
AC_CHECK_FUNCS(fmin fmax)
AC_PROG_INSTALL
AC_LANG_C
AC_C_BIGENDIAN
# may modify CPPFLAGS and CFLAGS
AX_CPP_PRECOMP
# Do some more operating system specific setup. We put the file64_support
# define in a substitution instead of simply a define because there
# are source files (namely lxt support files) that don't include any
# config.h header file.
file64_support=''
case "${host}" in
*-*-linux*)
AC_DEFINE([_LARGEFILE_SOURCE], [1], [Indicates LFS (i.e. the ability to create files larger than 2 GiB on 32-bit operating systems).])
file64_support='-D_LARGEFILE_SOURCE=1 -D_FILE_OFFSET_BITS=64'
;;
esac
AC_SUBST(file64_support)
# $host
# Compiler option for position independent code, needed when making shared objects.
AX_C_PICFLAG
AX_LD_EXTRALIBS
# Linker option used when compiling the target
AX_LD_RDYNAMIC
# linker options when building a shared library
AX_LD_SHAREDLIB_OPTS
AX_CPP_IDENT
AC_OUTPUT(Makefile)