libunistring.m4 revision 826937ebae068e2ebe59dd37c5f12331f09fe3b9
AC_CHECK_HEADERS(unistr.h,
[AC_CHECK_LIB([unistring], [u8_strlen], [ UNISTRING_LIBS="-lunistring" ], [AC_MSG_ERROR([No usable libunistring library found])])],
[AC_MSG_ERROR([libunistring header files are not installed])]
)
AC_CHECK_HEADERS(unicase.h,
[AC_CHECK_LIB([unistring], [u8_casecmp], [ UNISTRING_LIBS="-lunistring" ], [AC_MSG_ERROR([No usable libunistring library found])])],
[AC_MSG_ERROR([libunistring header files are not installed])]
)