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75 lines
3.4 KiB
Plaintext
75 lines
3.4 KiB
Plaintext
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# Serval Project Swift language support
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#
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# SYNOPSIS
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#
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# AX_PROG_SWIFTC_IS_SWIFT3
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#
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# DESCRIPTION
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#
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# AX_PROG_SWIFTC_IS_SWIFT3 tests whether the Swift compiler in the SWIFTC
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# variable (eg, as detected by the AX_PROG_SWIFTC macro) can compile a Swift
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# 3 program to a working native executable, with the given SWIFTCFLAGS
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# compiler options.
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#
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# LICENSE
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#
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# Copyright (C) 2016 Flinders University
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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AU_ALIAS([AC_PROG_SWIFTC_IS_SWIFT3], [AX_PROG_SWIFTC_IS_SWIFT3])
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AC_DEFUN([AX_PROG_SWIFTC_IS_SWIFT3],[
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AC_REQUIRE([AX_TMPDIR_SWIFT])
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AC_CACHE_CHECK([if $SWIFTC supports Swift 3], ac_cv_prog_swiftc_is_swift3, [
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cat <<EOF > "$ax_tmpdir_swift/Test.swift"
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/* Swift 2 uses Process.arguments, so this only compiles in Swift 3 */
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print(CommandLine.arguments)
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EOF
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if AC_TRY_COMMAND($SWIFTC $SWIFTCFLAGS -emit-executable -o "$ax_tmpdir_swift/Test" "$ax_tmpdir_swift/Test.swift") >/dev/null 2>&1; then
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if AC_TRY_COMMAND("$ax_tmpdir_swift/Test" one two three) > "$ax_tmpdir_swift/Test.out" 2>&1; then
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ac_swift_test_out=`cat "$ax_tmpdir_swift/Test.out"`
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if test "x$ac_swift_test_out" = ['x["'"$ax_tmpdir_swift"'/Test", "one", "two", "three"]']; then
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ac_cv_prog_swiftc_is_swift3=yes
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else
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echo "incorrect output was: $ac_swift_test_out" >&AS_MESSAGE_LOG_FD
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ac_cv_prog_swiftc_is_swift3=no
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fi
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else
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echo "failed "$ax_tmpdir_swift/Test" execution produced output:" >&AS_MESSAGE_LOG_FD
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cat "$ax_tmpdir_swift/Test.out" >&AS_MESSAGE_LOG_FD
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ac_cv_prog_swiftc_is_swift3=no
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fi
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else
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echo "compilation failed for:" >&AS_MESSAGE_LOG_FD
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cat "$ax_tmpdir_swift/Test.swift" >&AS_MESSAGE_LOG_FD
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ac_cv_prog_swiftc_is_swift3=no
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fi
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rm -f Test.swift Test Test.out
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])
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AC_PROVIDE([$0])dnl
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])
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