libjava/mingwld.m4

   1 AC_DEFUN([CHECK_FOR_BROKEN_MINGW_LD],
   2 [
   3 AC_MSG_CHECKING(whether 'ld' is at least 2.13)
   4 LD_PROG=`$CC --print-prog-name=ld`
   5 LD_VERSION=`$LD_PROG --version`
   6 LD_VERSION_MAJOR=`echo "$LD_VERSION" | head -1 | cut -d '.' -f 1 | cut -d ' ' -f 4`
   7 LD_VERSION_MINOR=`echo "$LD_VERSION" | head -1 | cut -d '.' -f 2`
   8 if expr "$LD_VERSION_MAJOR" \> 2 > /dev/null; then
   9   LD_OK="ok"
  10 else
  11   if expr "$LD_VERSION_MAJOR" = 2 && expr "$LD_VERSION_MINOR" \>= 13 > /dev/null; then
  12     LD_OK="ok"
  13   fi
  14 fi
  15 if test "x$LD_OK" != x; then
  16   AC_MSG_RESULT([yes; major=$LD_VERSION_MAJOR, minor=$LD_VERSION_MINOR])
  17 else
  18   AC_MSG_RESULT([no; major=$LD_VERSION_MAJOR, minor=$LD_VERSION_MINOR])
  19   AC_MSG_WARN([ld <2.13 detected; enabling JV_LINKER_CANNOT_8BYTE_ALIGN_STATICS hack...])
  20   AC_DEFINE(JV_LINKER_CANNOT_8BYTE_ALIGN_STATICS, 1,
  21             [Indicate that linker is not able to 8-byte align static data])
  22 fi])