208 lines
3.6 KiB
Plaintext
208 lines
3.6 KiB
Plaintext
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dnl Process this file with autoconf to produce a configure script.
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AC_INIT(vpi_config.h.in)
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AC_CONFIG_HEADER(vpi_config.h)
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dnl Checks for programs.
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AC_PROG_CC
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AC_PROG_CXX
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AC_CHECK_TOOL(STRIP, strip, true)
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AC_CHECK_PROGS(LEX,flex,none)
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if test "$LEX" = "none"
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then
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echo "*** Error: No suitable flex found. ***"
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echo " Please install the 'flex' package."
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exit 1
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fi
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AC_CYGWIN
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AC_EXEEXT
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AC_MINGW32
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WIN32=no
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AC_MSG_CHECKING("Checking for windows")
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if test "$CYGWIN" = "yes" -o "$MINGW32" = "yes"
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then
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WIN32=yes
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fi
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AC_SUBST(MINGW32)
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AC_SUBST(WIN32)
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AC_MSG_RESULT($WIN32)
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AC_SUBST(EXEEXT)
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AX_CPP_IDENT
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# vvp32 is by default disabled
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#enable_vvp32=no
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AC_SUBST(enable_vvp32)
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AC_CHECK_HEADERS(malloc.h inttypes.h)
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AC_CHECK_LIB(z, gzwrite)
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AC_CHECK_LIB(z, gzwrite, HAVE_LIBZ=yes, HAVE_LIBZ=no)
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AC_SUBST(HAVE_LIBZ)
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if test "$WIN32" = "yes"; then
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AC_CHECK_LIB(bz2, main)
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else
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AC_CHECK_LIB(bz2, BZ2_bzdopen)
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fi
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# --
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# Look for a dl library to use. First look for the standard dlopen
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# functions, and failing that look for the HP specific shl_load function.
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AC_CHECK_HEADERS(dlfcn.h dl.h, break)
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DLLIB=''
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AC_CHECK_LIB(dl,dlopen,[DLLIB=-ldl])
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if test -z "$DLLIB" ; then
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AC_CHECK_LIB(dld,shl_load,[DLLIB=-ldld])
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fi
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AC_SUBST(DLLIB)
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AC_PROG_INSTALL
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AC_LANG_C
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AC_C_BIGENDIAN
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AC_CANONICAL_HOST
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# Do some operating system specific setup.
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case "${host}" in
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*-*-darwin*)
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CPPFLAGS="-no-cpp-precomp $CPPFLAGS"
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CFLAGS="-no-cpp-precomp $CFLAGS"
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;;
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*-*-linux*)
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AC_DEFINE(_LARGEFILE_SOURCE)
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AC_DEFINE(_LARGEFILE64_SOURCE)
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;;
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esac
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# $host
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# The -fPIC flag is used to tell the compiler to make position
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# independent code. It is needed when making shared objects.
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AC_MSG_CHECKING("for flag to make position independent code")
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PICFLAG=-fPIC
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case "${host}" in
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*-*-cygwin*)
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PICFLAG=
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;;
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*-*-hpux*)
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PICFLAG=+z
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;;
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esac
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AC_SUBST(PICFLAG)
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AC_MSG_RESULT($PICFLAG)
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# mingw needs to link with libiberty.a, cygwin can tolerate it
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AC_MSG_CHECKING("for extra libs needed")
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EXTRALIBS=
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case "${host}" in
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*-*-cygwin*)
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EXTRALIBS="-liberty"
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;;
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esac
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AC_SUBST(EXTRALIBS)
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AC_MSG_RESULT($EXTRALIBS)
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# Darwin requires -no-cpp-precomp
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case "${host}" in
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*-*-darwin*)
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CPPFLAGS="-no-cpp-precomp $CPPFLAGS"
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CFLAGS="-no-cpp-precomp $CFLAGS"
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;;
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esac
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# The -rdynamic flag is used by iverilog when compiling the target,
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# to know how to export symbols of the main program to loadable modules
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# that are brought in by -ldl
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AC_MSG_CHECKING("for -rdynamic compiler flag")
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rdynamic=-rdynamic
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case "${host}" in
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*-*-netbsd*)
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rdynamic="-Wl,--export-dynamic"
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;;
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*-*-solaris*)
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rdynamic=""
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;;
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*-*-cygwin*)
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rdynamic=""
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;;
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*-*-hpux*)
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rdynamic="-E"
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;;
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*-*-darwin*)
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rdynamic="-Wl,-all_load"
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strip_dynamic="-SX"
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;;
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esac
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AC_SUBST(rdynamic)
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AC_MSG_RESULT($rdynamic)
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AC_SUBST(strip_dynamic)
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AC_MSG_RESULT($strip_dynamic)
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AC_MSG_CHECKING("for shared library link flag")
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shared=-shared
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case "${host}" in
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*-*-cygwin*)
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shared="-shared -Wl,--enable-auto-image-base"
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;;
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*-*-hpux*)
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shared="-b"
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;;
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*-*-darwin1.[0123])
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shared="-bundle -undefined suppress"
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;;
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*-*-darwin*)
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shared="-bundle -undefined suppress -flat_namespace"
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;;
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esac
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AC_SUBST(shared)
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AC_MSG_RESULT($shared)
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AX_CPP_IDENT
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# If not otherwise specified, set the libdir64 variable
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# to the same as libdir.
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AC_MSG_CHECKING(for libdir64 path)
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if test x${libdir64} = x
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then
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libdir64="${libdir}"
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fi
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AC_SUBST(libdir64)
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AC_MSG_RESULT(${libdir64})
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# where to put vpi subdirectories
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AC_MSG_CHECKING(for VPI subdirectories)
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if test x${vpidir1} = x
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then
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vpidir1="."
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fi
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AC_SUBST(vpidir1)
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AC_SUBST(vpidir2)
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AC_MSG_RESULT(${vpidir1} ${vpidir2})
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AC_OUTPUT(Makefile)
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