80 lines
2.3 KiB
Text
80 lines
2.3 KiB
Text
# AC_APPLICATIONS()
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#
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# Compile applications unless user requests not to do it.
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AC_DEFUN([AC_APPLICATIONS],[dnl
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AC_ARG_ENABLE([applications],[ --enable-applications build applications (default=yes)],
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[ case "${enableval}" in
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yes) applications=true ;;
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no) applications=false ;;
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*) AC_MSG_ERROR(bad value ${enableval} for applications option) ;;
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esac],
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[applications=true])
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if test "$applications" = "true"; then
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AM_CONDITIONAL([USE_APPLICATIONS], true)
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else
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AM_CONDITIONAL([USE_APPLICATIONS], false)
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fi
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])
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# AC_TUTORIAL()
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#
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# Compile tutorial unless user requests not to do it.
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AC_DEFUN([AC_TUTORIAL],[dnl
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AC_ARG_ENABLE([tutorial],[ --enable-tutorial build tutorial (default=yes)],
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[ case "${enableval}" in
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yes) tutorial=true ;;
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no) tutorial=false ;;
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*) AC_MSG_ERROR(bad value ${enableval} for tutorial option) ;;
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esac],
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[tutorial=true])
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if test "$tutorial" = "true"; then
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AM_CONDITIONAL([USE_TUTORIAL], true)
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else
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AM_CONDITIONAL([USE_TUTORIAL], false)
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fi
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])
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dnl Available from the GNU Autoconf Macro Archive at:
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dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_namespaces.html
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dnl
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AC_DEFUN([AC_CXX_NAMESPACES],
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[AC_CACHE_CHECK(whether the compiler implements namespaces,
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ac_cv_cxx_namespaces,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([namespace Outer { namespace Inner { int i = 0; }}],
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[using namespace Outer::Inner; return i;],
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ac_cv_cxx_namespaces=yes, ac_cv_cxx_namespaces=no)
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AC_LANG_RESTORE
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])
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if test "$ac_cv_cxx_namespaces" = yes; then
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AC_DEFINE(HAVE_NAMESPACES,,[define if the compiler implements namespaces])
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fi
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])
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dnl Available from the GNU Autoconf Macro Archive at:
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dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_have_numeric_limits.html
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dnl
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AC_DEFUN([AC_CXX_HAVE_NUMERIC_LIMITS],
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[AC_CACHE_CHECK(whether the compiler has numeric_limits<T>,
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ac_cv_cxx_have_numeric_limits,
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[AC_REQUIRE([AC_CXX_NAMESPACES])
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([#include <limits>
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#ifdef HAVE_NAMESPACES
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using namespace std;
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#endif],[double e = numeric_limits<double>::epsilon(); return 0;],
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ac_cv_cxx_have_numeric_limits=yes, ac_cv_cxx_have_numeric_limits=no)
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AC_LANG_RESTORE
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])
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if test "$ac_cv_cxx_have_numeric_limits" = yes; then
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AC_DEFINE(HAVE_NUMERIC_LIMITS,,[define if the compiler has numeric_limits<T>])
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fi
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])
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