X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=acinclude.m4;h=ad38341313ac8d882e05a6166552d5ae74ad2642;hb=1bb0e0fd198d4fd1df9f50cd06cb026d986321cb;hp=c129ab13b4960bd232127d6c51de55388e23b66b;hpb=a01e3f87ebd87f3f3df92f17d8d0cda5825d5275;p=shibboleth%2Fcpp-opensaml.git diff --git a/acinclude.m4 b/acinclude.m4 index c129ab1..ad38341 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -1,74 +1,74 @@ -dnl @synopsis AC_CXX_NAMESPACES -dnl -dnl If the compiler can prevent names clashes using namespaces, define -dnl HAVE_NAMESPACES. -dnl -dnl @author Luc Maisonobe -dnl -AC_DEFUN([AC_CXX_NAMESPACES], -[AC_CACHE_CHECK(whether the compiler implements namespaces, -ac_cv_cxx_namespaces, -[AC_LANG_SAVE - AC_LANG_CPLUSPLUS - AC_TRY_COMPILE([namespace Outer { namespace Inner { int i = 0; }}], - [using namespace Outer::Inner; return i;], - ac_cv_cxx_namespaces=yes, ac_cv_cxx_namespaces=no) - AC_LANG_RESTORE -]) -if test "$ac_cv_cxx_namespaces" = yes; then - AC_DEFINE(HAVE_NAMESPACES,1,[define if the compiler implements namespaces]) -fi -]) - - -dnl -dnl @author Luc Maisonobe -dnl -AC_DEFUN([AC_CXX_REQUIRE_STL], -[AC_CACHE_CHECK(whether the compiler supports Standard Template Library, -ac_cv_cxx_have_stl, -[AC_REQUIRE([AC_CXX_NAMESPACES]) - AC_LANG_SAVE - AC_LANG_CPLUSPLUS - AC_TRY_COMPILE([#include -#include -#ifdef HAVE_NAMESPACES -using namespace std; -#endif],[list x; x.push_back(5); -list::iterator iter = x.begin(); if (iter != x.end()) ++iter; return 0;], - ac_cv_cxx_have_stl=yes, ac_cv_cxx_have_stl=no) - AC_LANG_RESTORE -]) -if test "x_$ac_cv_cxx_have_stl" != x_yes; then - AC_MSG_ERROR([C++ Standard Template Libary unsupported]) -fi -]) - -dnl Determine whether we have gcc of a particular version or later, -dnl based on major, minor, patchlevel versions and date. -dnl AC_HAVE_GCC_VERSION(MAJOR_VERSION, MINOR_VERSION, PATCH_LEVEL, -dnl SNAPSHOT_DATE [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) -AC_DEFUN(AC_HAVE_GCC_VERSION, -[AC_CACHE_CHECK([gcc is at least version $1.$2.$3.$4], - ac_cv_gcc_version_$1_$2_$3_$4, -[ - if test x$GCC = x ; then ac_cv_gcc_version_$1_$2_$3_$4=no - else - ac_gcc_date=`$CC -v 2>&1 | grep '^gcc version ' | sed 's/ (.*//; s/.* //'` - if test 0$ac_gcc_date -eq 0 ; then ac_gcc_date=0 ; fi - AC_EGREP_CPP(yes, [#define HAVE_GCC_VERSION(MAJOR, MINOR, MICRO, DATE) \ - (__GNUC__ > (MAJOR) \ - || (__GNUC__ == (MAJOR) && __GNUC_MINOR__ > (MINOR)) \ - || (__GNUC__ == (MAJOR) && __GNUC_MINOR__ == (MINOR) \ - && __GNUC_PATCHLEVEL__ > (MICRO)) \ - || (__GNUC__ == (MAJOR) && __GNUC_MINOR__ == (MINOR) \ - && __GNUC_PATCHLEVEL__ == (MICRO) && ${ac_gcc_date}L >= (DATE))) -#if HAVE_GCC_VERSION($1,$2,$3,$4) -yes -#endif], - AC_DEFINE_UNQUOTED(HAVE_GCC_VERSION_$1_$2_$3_$4, 1, - [Define to 1 if we have gcc $1.$2.$3 ($4)]) - ac_cv_gcc_version_$1_$2_$3_$4=yes ; $5, - ac_cv_gcc_version_$1_$2_$3_$4=no ; $6) -fi -])])dnl +dnl @synopsis AC_CXX_NAMESPACES +dnl +dnl If the compiler can prevent names clashes using namespaces, define +dnl HAVE_NAMESPACES. +dnl +dnl @author Luc Maisonobe +dnl +AC_DEFUN([AC_CXX_NAMESPACES], +[AC_CACHE_CHECK(whether the compiler implements namespaces, +ac_cv_cxx_namespaces, +[AC_LANG_SAVE + AC_LANG_CPLUSPLUS + AC_TRY_COMPILE([namespace Outer { namespace Inner { int i = 0; }}], + [using namespace Outer::Inner; return i;], + ac_cv_cxx_namespaces=yes, ac_cv_cxx_namespaces=no) + AC_LANG_RESTORE +]) +if test "$ac_cv_cxx_namespaces" = yes; then + AC_DEFINE(HAVE_NAMESPACES,1,[define if the compiler implements namespaces]) +fi +]) + + +dnl +dnl @author Luc Maisonobe +dnl +AC_DEFUN([AC_CXX_REQUIRE_STL], +[AC_CACHE_CHECK(whether the compiler supports Standard Template Library, +ac_cv_cxx_have_stl, +[AC_REQUIRE([AC_CXX_NAMESPACES]) + AC_LANG_SAVE + AC_LANG_CPLUSPLUS + AC_TRY_COMPILE([#include +#include +#ifdef HAVE_NAMESPACES +using namespace std; +#endif],[list x; x.push_back(5); +list::iterator iter = x.begin(); if (iter != x.end()) ++iter; return 0;], + ac_cv_cxx_have_stl=yes, ac_cv_cxx_have_stl=no) + AC_LANG_RESTORE +]) +if test "x_$ac_cv_cxx_have_stl" != x_yes; then + AC_MSG_ERROR([C++ Standard Template Libary unsupported]) +fi +]) + +dnl Determine whether we have gcc of a particular version or later, +dnl based on major, minor, patchlevel versions and date. +dnl AC_HAVE_GCC_VERSION(MAJOR_VERSION, MINOR_VERSION, PATCH_LEVEL, +dnl SNAPSHOT_DATE [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) +AC_DEFUN(AC_HAVE_GCC_VERSION, +[AC_CACHE_CHECK([gcc is at least version $1.$2.$3.$4], + ac_cv_gcc_version_$1_$2_$3_$4, +[ + if test x$GCC = x ; then ac_cv_gcc_version_$1_$2_$3_$4=no + else + ac_gcc_date=`$CC -v 2>&1 | grep '^gcc version ' | sed 's/ (.*//; s/.* //'` + if test 0$ac_gcc_date -eq 0 ; then ac_gcc_date=0 ; fi + AC_EGREP_CPP(yes, [#define HAVE_GCC_VERSION(MAJOR, MINOR, MICRO, DATE) \ + (__GNUC__ > (MAJOR) \ + || (__GNUC__ == (MAJOR) && __GNUC_MINOR__ > (MINOR)) \ + || (__GNUC__ == (MAJOR) && __GNUC_MINOR__ == (MINOR) \ + && __GNUC_PATCHLEVEL__ > (MICRO)) \ + || (__GNUC__ == (MAJOR) && __GNUC_MINOR__ == (MINOR) \ + && __GNUC_PATCHLEVEL__ == (MICRO) && ${ac_gcc_date}L >= (DATE))) +#if HAVE_GCC_VERSION($1,$2,$3,$4) +yes +#endif], + AC_DEFINE_UNQUOTED(HAVE_GCC_VERSION_$1_$2_$3_$4, 1, + [Define to 1 if we have gcc $1.$2.$3 ($4)]) + ac_cv_gcc_version_$1_$2_$3_$4=yes ; $5, + ac_cv_gcc_version_$1_$2_$3_$4=no ; $6) +fi +])])dnl