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Diffstat (limited to 'm4/libunistring-optional.m4')
| -rw-r--r-- | m4/libunistring-optional.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/m4/libunistring-optional.m4 b/m4/libunistring-optional.m4 new file mode 100644 index 0000000..3ea0909 --- /dev/null +++ b/m4/libunistring-optional.m4 @@ -0,0 +1,22 @@ +# libunistring-optional.m4 serial 1 +dnl Copyright (C) 2010-2018 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl gl_LIBUNISTRING_OPTIONAL +dnl Searches for an installed libunistring or uses the included source code +dnl parts. +dnl If found, it sets and AC_SUBSTs HAVE_LIBUNISTRING=yes and the LIBUNISTRING +dnl and LTLIBUNISTRING variables and augments the CPPFLAGS variable, and +dnl #defines HAVE_LIBUNISTRING to 1. Otherwise, it sets and AC_SUBSTs +dnl HAVE_LIBUNISTRING=no and LIBUNISTRING and LTLIBUNISTRING to empty. + +AC_DEFUN([gl_LIBUNISTRING_OPTIONAL], +[ + dnl gl_LIBUNISTRING does a couple of extra things if this macro is used. + AC_REQUIRE([gl_LIBUNISTRING]) + + AC_MSG_CHECKING([whether to use the included libunistring]) + AC_MSG_RESULT([$gl_libunistring_use_included]) +]) |