winsup/acinclude.m4

   1 dnl This provides configure definitions used by all the cygwin
   2 dnl configure.in files.
   3
   4 AC_DEFUN([AC_CYGWIN_INCLUDES], [
   5 : ${ac_cv_prog_CXX:=$CXX}
   6 : ${ac_cv_prog_CC:=$CC}
   7
   8 cygwin_headers=$(realdirpath "$winsup_srcdir/cygwin/include")
   9 if test -z "$cygwin_headers"; then
  10     AC_MSG_ERROR([cannot find $winsup_srcdir/cygwin/include directory])
  11 fi
  12
  13 newlib_headers=$(realdirpath $winsup_srcdir/../newlib/libc/include)
  14 if test -z "$newlib_headers"; then
  15     AC_MSG_ERROR([cannot find newlib source directory: $winsup_srcdir/../newlib/libc/include])
  16 fi
  17 newlib_headers="$target_builddir/newlib/targ-include $newlib_headers"
  18
  19 AM_CPPFLAGS="-U_FORTIFY_SOURCE"
  20 AM_CPPFLAGS="${AM_CPPFLAGS} -I${winsup_srcdir}/cygwin/local_includes"
  21 AM_CPPFLAGS="${AM_CPPFLAGS} -I${target_builddir}/winsup/cygwin"
  22 AM_CPPFLAGS="${AM_CPPFLAGS} -isystem ${cygwin_headers}"
  23 for h in ${newlib_headers}; do
  24     AM_CPPFLAGS="${AM_CPPFLAGS} -isystem $h"
  25 done
  26 AC_SUBST(AM_CPPFLAGS)
  27 ])
  28
  29 AC_SUBST(target_builddir)
  30 AC_SUBST(winsup_srcdir)