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# ====================================================================

#

#      loader.cdl

#

#      Dynamic loader configuration data

#

# ====================================================================

## ####ECOSGPLCOPYRIGHTBEGIN####

## -------------------------------------------

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## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.

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## the terms of the GNU General Public License as published by the Free

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## macros or inline functions from this file, or you compile this file

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# ====================================================================

######DESCRIPTIONBEGIN####

#

# Author(s):      nickg

# Contributors:

# Date:           2000-11-20

#

#####DESCRIPTIONEND####

#

# ====================================================================

cdl_package CYGPKG_LOADER {

    display       "Dynamic loader"

    description   "

                  This package provides support for dynamic code loading."

    include_dir   cyg/loader

    compile       loader.cxx dload.cxx

    requires      { CYGBLD_ISO_DLFCN_HEADER == "" }

    implements    CYGINT_ISO_DLFCN

# ====================================================================

    cdl_component CYGPKG_LOADER_OPTIONS {

        display "Common memory allocator package build options"

        flavor  none

        no_define

        description   "

            Package specific build options including control over

            compiler flags used only in building this package,

            and details of which tests are built."

        cdl_option CYGPKG_LOADER_CFLAGS_ADD {

            display "Additional compiler flags"

            flavor  data

            no_define

            default_value { "" }

            description   "

                This option modifies the set of compiler flags for

                building this package. These flags are used in addition

                to the set of global flags."

        }

        cdl_option CYGPKG_LOADER_CFLAGS_REMOVE {

            display "Suppressed compiler flags"

            flavor  data

            no_define

            default_value { "-O2 -fvtable-gc" }

            description   "

                This option modifies the set of compiler flags for

                building this package. These flags are removed from

                the set of global flags if present."

        }

        cdl_option CYGPKG_LOADER_LDFLAGS_ADD {

            display "Additional compiler flags"

            flavor  data

            no_define

#            default_value { "-L$(PREFIX)/lib -ldlforce" }

            default_value { "" }

            description   "

                This option modifies the set of compiler flags for

                building this package. These flags are used in addition

                to the set of global flags."

        }

        cdl_option CYGPKG_LOADER_LDFLAGS_REMOVE {

            display "Suppressed compiler flags"

            flavor  data

            no_define

            default_value { "-Wl,-static -Wl,--gc-sections" }

            description   "

                This option modifies the set of compiler flags for

                building this package. These flags are removed from

                the set of global flags if present."

        }

    }

# ====================================================================

# Dynamic library build options

    cdl_option CYGBLD_LOADER_DYNAMIC_LD {

        display    "Build linker script for dynamic libraries"

        flavor     bool

        default_value 1

        description "Build a linker script for creating dynamic libraries"

        make -priority 50 {

            /lib/dynamic.ld: /src/dynamic.ld

            $(CC) -E -P -Wp,-MD,dynamic.tmp -DEXTRAS=1 -xc $(INCLUDE_PATH) $(CFLAGS) -o $@ $<

            @echo $@ ": \\" > $(notdir $@).deps

            @tail -n +2 dynamic.tmp >> $(notdir $@).deps

            @echo >> $(notdir $@).deps

            @rm dynamic.tmp

        }

    }

    cdl_option CYGBLD_LOADER_CRTBEGINS {

        display "Build special crtbeginS.o for dynamic libraries"

        flavor   bool

        default_value 1

        make -priority 110 {

        /lib/crtbeginS.o : /src/crtbeginS.c

        $(CC) -Wp,-MD,crtbeginS.tmp $(INCLUDE_PATH) -g0 -Wall -finhibit-size-directive -fno-inline-functions -fno-exceptions -c -o $@ $<

        @echo $@ ": \\" > $(notdir $@).deps

        @tail -n +2 crtbeginS.tmp >> $(notdir $@).deps

        @echo >> $(notdir $@).deps

        @rm crtbeginS.tmp

        }

    }

    cdl_option CYGBLD_LOADER_CRTENDS {

        display "Build special crtendS.o for dynamic libraries"

        flavor   bool

        default_value 1

        make -priority 110 {

        /lib/crtendS.o : /src/crtendS.c

        $(CC) -Wp,-MD,crtendS.tmp $(INCLUDE_PATH) -g0 -Wall -finhibit-size-directive -fno-inline-functions -fno-exceptions -c -o $@ $<

        @echo $@ ": \\" > $(notdir $@).deps

        @tail -n +2 crtendS.tmp >> $(notdir $@).deps

        @echo >> $(notdir $@).deps

        @rm crtendS.tmp

        }

    }

    cdl_option CYGBLD_LOADER_DLFORCE_LIB {

        display    "Build dynamic load library"

        flavor     bool

        default_value 1

        description "Build a shared library that is to be linked with the executable

                     to force it to be built in such a way that it is suitable for

                     having some other shared library load against it. This is the

                     most portable way of achieving this."

        make -priority 160 {

            /lib/libdlforce.so : /src/dlforce.c

                    $(CC) $(CFLAGS) -Wp,-MD,dlforce.tmp $(INCLUDE_PATH) -shared -c -o src/dlforce.o $<

                    $(CC) -g -nostdlib -L$(PREFIX)/lib -shared -Tdynamic.ld -o $@ $(PREFIX)/lib/crtbeginS.o src/dlforce.o $(PREFIX)/lib/crtendS.o

                    @echo $@ ": \\" > $(notdir $@).deps

                    @tail -n +2 dlforce.tmp >> $(notdir $@).deps

                    @echo >> $(notdir $@).deps

                    @rm dlforce.tmp

        }

    }

# ====================================================================

# Tests

    cdl_option CYGBLD_LOADER_TEST_FOO_LIB {

        display    "Build a dynamic load library"

        flavor     bool

        default_value 1

        description "Build a shared library for testing."

        make {

            tests/libfoo.so : /tests/foo.c

                    mkdir -p tests

                    $(CC) $(CFLAGS) -Wp,-MD,foo.tmp $(INCLUDE_PATH) -shared -c -o tests/foo.o $<

                    $(CC) $(LDFLAGS) -L$(PREFIX)/lib -shared -Tdynamic.ld -o $@ $(PREFIX)/lib/crtbeginS.o tests/foo.o $(PREFIX)/lib/crtendS.o

                    @echo $@ ": \\" > $(notdir $@).deps

                    @tail -n +2 foo.tmp >> $(notdir $@).deps

                    @echo >> $(notdir $@).deps

                    @rm foo.tmp

                    cc -o entable $(REPOSITORY)/$(PACKAGE)/tests/entable.c

                    ./entable libfoo tests/libfoo.so.c

        }

    }

    cdl_option CYGBLD_LOADER_TEST_LOADFOO {

        display   "Build library load test program"

        flavor    bool

        default_value 1

        description "Build a test program that will load the test shared library"

        make {

            /tests/services/loader/current/tests/loadfoo : /tests/loadfoo.cxx

                    mkdir -p $(PREFIX)/tests/services/loader/current/tests

                    $(CC) $(CFLAGS) -Wp,-MD,loadfoo.tmp $(INCLUDE_PATH) -c -o tests/loadfoo.o $<

#                   $(CC) $(LDFLAGS) -L$(PREFIX)/lib -Ttarget.ld -ldlforce -o $@ $(PREFIX)/lib/crtbeginS.o tests/loadfoo.o $(PREFIX)/lib/crtendS.o

                    $(CC) $(LDFLAGS) -Wl,-E -L$(PREFIX)/lib -Ttarget.ld -ldlforce -o $@ tests/loadfoo.o

                    @echo $@ ": \\" > $(notdir $@).deps

                    @tail -n +2 loadfoo.tmp >> $(notdir $@).deps

                    @echo >> $(notdir $@).deps

                    @rm loadfoo.tmp

        }

    }

#    cdl_option CYGPKG_LOADER_TESTS {

#       display "Tests"

#       flavor  data

#       no_define

#       calculated { "tests/loadfoo" }

#       description   "

#                      This option specifies the set of tests for this package."

#    }

}

# ====================================================================

# EOF loader.cdl