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Configure: Show bison/flex version.

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This commit is contained in:
Wilson Snyder
2020-07-10 18:37:31 -04:00
parent 8cdecd5668
commit f8a67b2fe8
1 changed files with 6 additions and 0 deletions
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configure.ac
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@@ -153,14 +153,20 @@ AC_PATH_PROG(PERL,perl)
if test "x$PERL" = "x" ; then
AC_MSG_ERROR([Cannot find "perl" in your PATH, please install it])
fi
AC_PATH_PROG(LEX,flex)
if test "x$LEX" = "x" ; then
AC_MSG_ERROR([Cannot find "flex" in your PATH, please install it])
fi
flex_version=$($LEX --version | head -1)
AC_MSG_RESULT([$LEX --version = $flex_version])
AC_PATH_PROG(YACC,bison)
if test "x$YACC" = "x" ; then
AC_MSG_ERROR([Cannot find "bison" in your PATH, please install it])
fi
bison_version=$($YACC --version | head -1)
AC_MSG_RESULT([$YACC --version = $bison_version])
AC_CHECK_PROG(OBJCACHE,ccache,ccache)
if test "x$OBJCACHE" != "x" ; then