diff options
Diffstat (limited to 'c++/src/h5c++.in')
| -rwxr-xr-x | c++/src/h5c++.in | 64 |
1 files changed, 57 insertions, 7 deletions
diff --git a/c++/src/h5c++.in b/c++/src/h5c++.in index 4e51c94..39d3d2a 100755 --- a/c++/src/h5c++.in +++ b/c++/src/h5c++.in @@ -32,6 +32,25 @@ HL="@HL@" ############################################################################ ## ## +## Things You Can Modify to Override HDF5 Library Build Components: ## +## ## +## (Advanced usage - know what you're doing - you're on your own here.) ## +## The four variables below can be used to insert paths and flags in ## +## CPPFLAGS, CXXFLAGS, LDFLAGS, or LIBS in the h5cc compile line: ## +## $CLINKER $H5BLD_CPPFLAGS $CPPFLAGS $H5BLD_CXXFLAGS $CXXFLAGS ## +## $LDFLAGS $LIBS $clibpath $link_objs $link_args $shared_link ## +## ## +## These settings can be overriden by setting HDF5_CXXFLAGS, ## +## HDF5_CPPFLAGS, HDF5_LDFLAGS, or HDF5_LIBS in the environment. ## +## ## +############################################################################ +CXXFLAGSBASE="" +CPPFLAGSBASE="" +LDFLAGSBASE="" +LIBSBASE="" + +############################################################################ +## ## ## You shouldn't have to modify anything below this line. ## ## ## ############################################################################ @@ -60,13 +79,26 @@ get_output_file="no" SHOW="eval" CXXBASE="@CXX@" CXXLINKERBASE="@CXX@" -CXXFLAGS="@AM_CXXFLAGS@ @CXXFLAGS@" -CPPFLAGS="@AM_CPPFLAGS@ @CPPFLAGS@" -LDFLAGS="@AM_LDFLAGS@ @LDFLAGS@" -LIBS="@LIBS@" + +# CXXFLAGS, CPPFLAGS and LDFLAGS are reserved for use by the script user. +# FLAGS brought from the hdf5 build are put in H5BLD_*FLAGS. + +# User's CPPFLAGS and CXXFLAGS come after their H5BLD counterparts to override +# them. User's LDFLAGS come just before clibpath, user's LIBS come after +# $link_objs and before the hdf5 libraries in $link_args, followed by any +# external library paths and libraries from AM_LDFLAGS, LDFLAGS, AM_LIBS +# or LIBS carried in from the hdf5 build. +H5BLD_CXXFLAGS="@AM_CXXFLAGS@ @CXXFLAGS@" +H5BLD_CPPFLAGS="@AM_CPPFLAGS@ @CPPFLAGS@" +H5BLD_LDFLAGS="@AM_LDFLAGS@ @LDFLAGS@" +H5BLD_LIBS="@LIBS@" CXX="${HDF5_CXX:-$CXXBASE}" CXXLINKER="${HDF5_CLINKER:-$CXXLINKERBASE}" +CXXFLAGS="${HDF5_CXXFLAGS:-$CXXFLAGSBASE}" +CPPFLAGS="${HDF5_CPPFLAGS:-$CPPFLAGSBASE}" +LDFLAGS="${HDF5_LDFLAGS:-$LDFLAGSBASE}" +LIBS="${HDF5_LIBS:-$LIBSBASE}" USE_SHARED_LIB="${HDF5_USE_SHLIB:-no}" @@ -94,6 +126,18 @@ usage() { echo " " echo " HDF5_CXX - use a different C++ compiler" echo " HDF5_CXXLINKER - use a different linker" + echo " You can also add or change paths and flags to the compile line using" + echo " the following environment varibles or by assigning them to their counterparts" + echo " in the 'Things You Can Modify to Override...'" section of $prog_name + echo " " + echo " Variable Current value to be replaced" + echo " HDF5_CPPFLAGS \"$CPPFLAGSBASE\"" + echo " HDF5_CXXFLAGS \"$CXXFLAGSBASE\"" + echo " HDF5_LDFLAGS \"$LDFLAGSBASE\"" + echo " HDF5_LIBS \"$LIBSBASE\"" + echo " " + echo " Note that adding library paths to HDF5_LDFLAGS where another hdf5 version" + echo " is located may link your program with that other hdf5 library version." echo " " exit $EXIT_FAILURE } @@ -244,7 +288,7 @@ if test "x$do_compile" = "xyes"; then compile_args="-c $compile_args" fi - $SHOW $CXX -I$includedir $CPPFLAGS $CXXFLAGS $compile_args + $SHOW $CXX -I$includedir $H5BLD_CPPFLAGS $CPPFLAGS $H5BLD_CXXFLAGS $CXXFLAGS $compile_args status=$? if test "$status" != "0"; then @@ -319,9 +363,15 @@ if test "x$do_link" = "xyes"; then # The LIBS are just a bunch of -l* libraries necessary for the HDF5 # module. It's okay if they're included twice in the compile line. - link_args="$link_args $LIBS" + link_args="$link_args $H5BLD_LDFLAGS $H5BLD_LIBS" + + # User's CPPFLAGS and CXXFLAGS come after their H5BLD counterparts to override + # them. User's LDFLAGS come just before clibpath, user's LIBS come after + # $link_objs and before the hdf5 libraries in $link_args, followed by any + # external library paths and libraries from AM_LDFLAGS, LDFLAGS, AM_LIBS + # or LIBS carried in from the hdf5 build. - $SHOW $CXXLINKER $CPPFLAGS $CXXFLAGS $clibpath $link_objs $link_args $shared_link $LDFLAGS + $SHOW $CXXLINKER $H5BLD_CPPFLAGS $CPPFLAGS $H5BLD_CXXFLAGS $CXXFLAGS $LDFLAGS $clibpath $link_objs $LIBS $link_args $shared_link status=$? fi |