ac_lib_rcssgz.m4

来自「在LINUX下运行的仿真机器人服务器源代码」· M4 代码 · 共 25 行

# AC_LIB_RCSSGZ([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# ---------------------------------------------------------
# Checks for the rcssgz library
AC_DEFUN([AC_LIB_RCSSGZ],
[AS_VAR_PUSHDEF([ac_lib_rcssgz], [ac_cv_lib_rcssgz])dnl
AC_CACHE_CHECK(whether the rcssgz library is available, ac_cv_lib_rcssgz,
               [AC_LANG_PUSH(C++)
                OLD_LDFLAGS="$LDFLAGS"
                LDFLAGS="$LDFLAGS -lrcssgz"
                AC_LINK_IFELSE([@%:@include <rcssbase/gz/gzstream.hpp>
                                int main()
                                {
                                    rcss::gz::gzostream strm( std::cout );
                                    return 0;
                                }],
                                [AS_VAR_SET(ac_lib_rcssgz, yes)], 
                                [AS_VAR_SET(ac_lib_rcssgz, no) 
                                 LDFLAGS="$OLD_LDFLAGS"
                                ])
                AC_LANG_POP(C++)
                ])
AS_IF([test AS_VAR_GET(ac_lib_rcssgz) = yes], [$1], [$2])
AS_VAR_POPDEF([ac_lib_rcssgz])dnl
])# AC_LIB_RCSSGZ