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
+[
+ AC_LANG_PUSH([C++])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[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_POP([])
])
if test "$ac_cv_cxx_namespaces" = yes; then
AC_DEFINE(HAVE_NAMESPACES,1,[define if the compiler implements namespaces])
[AC_CACHE_CHECK(whether the compiler supports Standard Template Library,
ac_cv_cxx_have_stl,
[AC_REQUIRE([AC_CXX_NAMESPACES])
- AC_LANG_SAVE
- AC_LANG_CPLUSPLUS
- AC_TRY_COMPILE([#include <list>
+ AC_LANG_PUSH([C++])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <list>
#include <deque>
#ifdef HAVE_NAMESPACES
using namespace std;
-#endif],[list<int> x; x.push_back(5);
-list<int>::iterator iter = x.begin(); if (iter != x.end()) ++iter; return 0;],
- ac_cv_cxx_have_stl=yes, ac_cv_cxx_have_stl=no)
- AC_LANG_RESTORE
+#endif]], [[list<int> x; x.push_back(5);
+list<int>::iterator iter = x.begin(); if (iter != x.end()) ++iter; return 0;]])],[ac_cv_cxx_have_stl=yes],[ac_cv_cxx_have_stl=no])
+ AC_LANG_POP([])
])
if test "x_$ac_cv_cxx_have_stl" != x_yes; then
AC_MSG_ERROR([C++ Standard Template Libary unsupported])
fi
])
-dnl@synopsys YAD_CHECK_INCLUDE_LIB(INCLUDE, LIBRARY, CODE
-dnl [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
-dnl [, OTHER-LIBRARIES]]])
-dnl
-dnl same as the AC_CHECK_LIB except of the following:
-dnl - You sholud specify include part of test.
-dnl - You can test any code for linking, not just function calls.
-dnl
-dnl@author Alexandr Yanovets <yad@gradsoft.kiev.ua>
-dnl
-AC_DEFUN(YAD_CHECK_INCLUDE_LIB,
-[AC_MSG_CHECKING([for $3 in -l$2])
-dnl Use a cache variable name containing both the library and function name,
-dnl because the test really is for library $2 defining function $3, not
-dnl just for library $2. Separate tests with the same $2 and different $3s
-dnl may have different results.
-ac_lib_var=`echo $2['_']include | sed 'y%./+-%__p_%'`
-AC_CACHE_VAL(ac_cv_lib_$ac_lib_var,
-[yad_check_lib_save_LIBS="$LIBS"
-LIBS="-l$2 $6 $LIBS"
-AC_TRY_LINK(dnl
- [$1],
- [$3],
- eval "ac_cv_lib_$ac_lib_var=yes",
- eval "ac_cv_lib_$ac_lib_var=no")
-LIBS="$yad_check_lib_save_LIBS"
-])dnl
-if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
- AC_MSG_RESULT(yes)
- ifelse([$4], ,
-[changequote(, )dnl
- ac_tr_lib=HAVE_LIB`echo $2 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
- -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
-changequote([, ])dnl
- AC_DEFINE_UNQUOTED($ac_tr_lib)
- LIBS="-l$2 $LIBS"
-], [$4])
-else
- AC_MSG_RESULT(no)
-ifelse([$5], , , [$5
-])dnl
+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