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path: root/src/external/libunistring.m4
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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])]
)