add check for perl and its version
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17
configure.ac
17
configure.ac
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@ -11,6 +11,23 @@ fi
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CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
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AC_CHECK_PROG(PERL, perl, perl)
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if test "x$PERL" = "x"; then
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AC_MSG_ERROR([perl not found])
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fi
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need_perl=5.14
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AC_CACHE_CHECK([whether perl is recent enough], ob_cv_perl_ver, [
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if $PERL -e "use v$need_perl;"; then
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ob_cv_perl_ver=yes
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else
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ob_cv_perl_ver=no
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fi
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])
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if test "x$ob_cv_perl_ver" = "xno"; then
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AC_MSG_ERROR([perl is too old])
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fi
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AC_CACHE_CHECK([whether strftime supports %z], ob_cv_strftime_z,
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[AC_TRY_RUN(
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[#include <time.h>
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