1*3d8817e4Smioddnl Usage: TL_AC_GXX_INCLUDE_DIR 2*3d8817e4Smioddnl 3*3d8817e4Smioddnl Set $gxx_include_dir to the location of the installed C++ include 4*3d8817e4Smioddnl directory. The value depends on $gcc_version and the configuration 5*3d8817e4Smioddnl options --with-gxx-include-dir and --enable-version-specific-runtime-libs. 6*3d8817e4Smioddnl 7*3d8817e4Smioddnl If you change the default here, you'll need to change the gcc and 8*3d8817e4Smioddnl libstdc++-v3 subdirectories too. 9*3d8817e4SmiodAC_DEFUN([TL_AC_GXX_INCLUDE_DIR], 10*3d8817e4Smiod[ 11*3d8817e4Smiodcase "${with_gxx_include_dir}" in 12*3d8817e4Smiod yes) 13*3d8817e4Smiod AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory]) 14*3d8817e4Smiod ;; 15*3d8817e4Smiod no | "") 16*3d8817e4Smiod case "${enable_version_specific_runtime_libs}" in 17*3d8817e4Smiod yes) gxx_include_dir='$(libsubdir)/include/c++' ;; 18*3d8817e4Smiod *) 19*3d8817e4Smiod libstdcxx_incdir='c++/$(gcc_version)' 20*3d8817e4Smiod gxx_include_dir='$(prefix)/include/$(libstdcxx_incdir)' ;; 21*3d8817e4Smiod esac ;; 22*3d8817e4Smiod *) gxx_include_dir=${with_gxx_include_dir} ;; 23*3d8817e4Smiodesac 24*3d8817e4SmiodAC_SUBST(gxx_include_dir) 25*3d8817e4SmiodAC_SUBST(libstdcxx_incdir) 26*3d8817e4Smiod]) 27