Diff
EuroTcl/OpenACS 11 - 12 JULY 2024, VIENNA

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  SHLIBOBJS=""
  for obj in $LIB@&t@OBJS; do
    SHLIBOBJS="$SHLIBOBJS `echo $obj | sed 's/\.o$/_shr.o/g'`"
  done
])

AC_DEFUN([DC_SYNC_RPATH], [
	AC_ARG_ENABLE([rpath], AS_HELP_STRING([--disable-rpath], [disable setting of rpath]), [
		if test "$enableval" = 'no'; then
			set_rpath='no'
		else
			set_rpath='yes'
		fi
	], [
		if test "$cross_compiling" = 'yes'; then
			set_rpath='no'
		else
			set_rpath='yes'
		fi
	])

	if test "$set_rpath" = 'yes'; then
  OLD_LDFLAGS="$LDFLAGS"
		OLD_LDFLAGS="$LDFLAGS"

		AC_CACHE_CHECK([how to set rpath], [rsk_cv_link_set_rpath], [
  AC_LANG_PUSH(C)
  for tryrpath in "-Wl,-rpath" "-Wl,--rpath" "-Wl,-R"; do
    LDFLAGS="$OLD_LDFLAGS $tryrpath -Wl,/tmp"
    AC_LINK_IFELSE([AC_LANG_PROGRAM([], [ return(0); ])], [
      rpathldflags="$tryrpath"
      break
    ])
  done
  AC_LANG_POP(C)
  unset tryrpath
			AC_LANG_PUSH(C)
			for tryrpath in "-Wl,-rpath" "-Wl,--rpath" "-Wl,-R"; do
				LDFLAGS="$OLD_LDFLAGS $tryrpath -Wl,/tmp"
				AC_LINK_IFELSE([AC_LANG_PROGRAM([], [ return(0); ])], [
					rsk_cv_link_set_rpath="$tryrpath"
					break
				])
			done
			AC_LANG_POP(C)
			unset tryrpath
		])

  LDFLAGS="$OLD_LDFLAGS"
  unset OLD_LDFLAGS
		LDFLAGS="$OLD_LDFLAGS"
		unset OLD_LDFLAGS

  ADDLDFLAGS=""
  for opt in $LDFLAGS; do
    if echo "$opt" | grep '^-L' >/dev/null; then
      rpathdir=`echo "$opt" | sed 's@^-L *@@'`
      ADDLDFLAGS="$ADDLDFLAGS $rpathldflags -Wl,$rpathdir"
    fi
  done
  unset opt rpathldflags
		ADDLDFLAGS=""
		for opt in $LDFLAGS $LIBS; do
			if echo "$opt" | grep '^-L' >/dev/null; then
				rpathdir=`echo "$opt" | sed 's@^-L *@@'`
				ADDLDFLAGS="$ADDLDFLAGS $rsk_cv_link_set_rpath -Wl,$rpathdir"
			fi
		done
		unset opt

  LDFLAGS="$LDFLAGS $ADDLDFLAGS"
		LDFLAGS="$LDFLAGS $ADDLDFLAGS"

  unset ADDLDFLAGS
		unset ADDLDFLAGS
	fi
])

AC_DEFUN([DC_CHK_OS_INFO], [
	AC_CANONICAL_HOST
	AC_SUBST(SHOBJEXT)
	AC_SUBST(SHOBJFLAGS)
	AC_SUBST(SHOBJCPPFLAGS)
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						SHOBJEXT="so"
						;;
					*)
						SHOBJEXT="sl"
						;;
				esac
				;;
			aix[0-9].*)
				SHOBJEXT="a"
				;;
			mingw32|mingw32msvc*)
				SHOBJEXT="dll"
				CFLAGS="$CFLAGS -mms-bitfields"
				CPPFLAGS="$CPPFLAGS -mms-bitfields"
				SHOBJCPPFLAGS="-DPIC"
				SHOBJLDFLAGS='-shared -Wl,--dll -Wl,--enable-auto-image-base -Wl,--output-def,$[@].def,--out-implib,$[@].a'
				;;