47 lines
930 B
Plaintext
Executable File
47 lines
930 B
Plaintext
Executable File
dnl file : m4/libtool-link.m4
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dnl copyright : Copyright (c) 2009-2015 Code Synthesis Tools CC
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dnl license : GNU GPL v2; see accompanying LICENSE file
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dnl
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dnl
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dnl CXX_LIBTOOL_LINK_IFELSE (input, [action-if-true], [action-if-false])
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dnl
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dnl Similar to AC_LINK_IFELSE except it uses libtool to perform the
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dnl linking and it does this using the C++ compiler.
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dnl
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AC_DEFUN([CXX_LIBTOOL_LINK_IFELSE],[
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AC_LANG_SAVE
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AC_LANG(C++)
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if test -d .libs; then
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delete_libs_dir=no
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else
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delete_libs_dir=yes
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fi
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AC_COMPILE_IFELSE([$1],
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[
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ac_try='./libtool --tag=CXX --mode=link $CXX -no-install $CXXFLAGS $LDFLAGS -o conftest conftest.$OBJEXT $LIBS >&AS_MESSAGE_LOG_FD'
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if _AC_DO_VAR(ac_try); then
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libtool_link_ok=yes
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else
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libtool_link_ok=no
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fi
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],
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[
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libtool_link_ok=no
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])
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if test x"$delete_libs_dir" = xyes; then
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rm -rf .libs
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fi
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if test x"$libtool_link_ok" = xyes; then
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[$2]
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:
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else
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[$3]
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:
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fi
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AC_LANG_RESTORE])dnl
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