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add configure test for C++ template specialization for scc (HAVE_CPP_SPECIALIZATION)

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git-svn-id: svn://10.0.0.236/trunk@37439 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
shaver%netscape.com 1999-06-29 20:41:39 +00:00
parent 6e58a1c196
commit e299920b40
1 changed files with 17 additions and 0 deletions
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17
mozilla/configure.in
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@ -1360,6 +1360,23 @@ if test "$ac_cv_cpp_explicit" = yes ; then
AC_DEFINE(HAVE_CPP_EXPLICIT)
fi
dnl Check for template specialization
dnl Test code and requirement from scc@netscape.com.
dnl Autoconf cut-and-paste job by shaver@mozilla.org.
AC_CACHE_CHECK(for C++ template specialization support,
ac_cv_cpp_template_specialization,
[AC_TRY_COMPILE(template <class T> struct X { int a; };
class Y {};
template <> struct X<Y> { double a; };,
X<int> int_x;
X<Y> y_x;,
ac_cv_cpp_template_specialization=yes,
ac_cv_cpp_template_specialization=no)])
if test "$ac_cv_cpp_template_specialization" = yes ; then
AC_DEFINE(HAVE_CPP_SPECIALIZATION)
fi
dnl
dnl We dont do exceptions on unix. The only reason this used to be here
dnl is that mozilla/xpcom/tests/TestCOMPtr.cpp has a test which uses