79 lines
1.7 KiB
Plaintext
79 lines
1.7 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script.
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AC_INIT(netlist.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_HEADERS(getopt.h)
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AC_PROG_INSTALL
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AC_CHECK_LIB(dl,main,[DLLIB=-ldl])
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AC_SUBST(DLLIB)
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AC_CANONICAL_HOST
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$host
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#######################
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## test for underscores. The vpi module loader in vvm needs to know this
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## in order to know the name of the start symbol for the .vpi module.
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#######################
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AC_MSG_CHECKING("for leading and/or trailing underscores")
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cat << EOF > underscore.c
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void underscore(void){}
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EOF
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$CC -c underscore.c > /dev/null 2>&1
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CC_LEADING_UNDERSCORE=no
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CC_TRAILING_UNDERSCORE=no
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output=`nm underscore.o|grep _underscore 2>&1`
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if test ! -z "$output"; then
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CC_LEADING_UNDERSCORE=yes
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AC_DEFINE(NEED_LU)
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fi
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output=`nm underscore.o|grep underscore_ 2>&1`
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if test ! -z "$output"; then
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CC_TRAILING_UNDERSCORE=yes
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AC_DEFINE(NEED_TU)
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fi
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if test "$CC_LEADING_UNDERSCORE" = yes; then
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AC_DEFINE(WLU)
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fi
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if test "$CC_TRAILING_UNDERSCORE" = yes; then
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AC_DEFINE(WTU)
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fi
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rm underscore.c underscore.o
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AC_MSG_RESULT("$CC_LEADING_UNDERSCORE $CC_TRAILING_UNDERSCORE")
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#######################
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## end of test for underscores
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#######################
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# The -rdynamic flag is used by iverilog when compiling the target,
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# to know how to export symbols of the main program to loadable modules
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# that are brought in by -ldl
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AC_MSG_CHECKING("for -rdynamic compiler flag")
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rdynamic=-rdynamic
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case "${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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esac
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AC_DEFINE_UNQUOTED(RDYNAMIC,"${rdynamic}")
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AC_MSG_RESULT("$RDYNAMIC")
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AC_OUTPUT(Makefile vpi/Makefile ivlpp/Makefile vvm/Makefile)
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