| # libtextstyle-optional.m4 serial 1 |
| dnl Copyright (C) 2019 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 From Bruno Haible. |
| |
| dnl gl_LIBTEXTSTYLE_OPTIONAL |
| dnl Searches for an installed libtextstyle or uses the included source code |
| dnl parts that define only part of the API and does not do any styling. |
| dnl If found, it sets and AC_SUBSTs HAVE_LIBTEXTSTYLE=yes and the LIBTEXTSTYLE |
| dnl and LTLIBTEXTSTYLE variables, and augments the CPPFLAGS variable, and |
| dnl #defines HAVE_LIBTEXTSTYLE to 1. |
| dnl Otherwise, it sets and AC_SUBSTs HAVE_LIBTEXTSTYLE=no and LIBTEXTSTYLE and |
| dnl LTLIBTEXTSTYLE to empty. |
| |
| AC_DEFUN([gl_LIBTEXTSTYLE_OPTIONAL], |
| [ |
| AC_REQUIRE([gl_LIBTEXTSTYLE]) |
| if test $HAVE_LIBTEXTSTYLE = yes; then |
| TEXTSTYLE_H= |
| else |
| TEXTSTYLE_H=textstyle.h |
| AC_REQUIRE([AC_C_INLINE]) |
| AC_CHECK_FUNCS_ONCE([tcdrain]) |
| fi |
| AC_SUBST([TEXTSTYLE_H]) |
| AM_CONDITIONAL([GL_GENERATE_TEXTSTYLE_H], [test -n "$TEXTSTYLE_H"]) |
| ]) |
