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author | Bruno Haible <bruno@clisp.org> | 2019-03-20 00:35:11 +0100 |
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committer | Bruno Haible <bruno@clisp.org> | 2019-03-20 00:35:11 +0100 |
commit | c23dae8c0231543a241bd54f6e5af0f348f70d99 (patch) | |
tree | 35a5ddba3df04d6bfcba43c5c4160c979d680d6c /m4 | |
parent | 4a7bec23342ecb43d6e367ed43d067e2a0507f6d (diff) | |
download | gnulib-c23dae8c0231543a241bd54f6e5af0f348f70d99.tar.gz |
libtextstyle-optional: New module.
* lib/textstyle.in.h: New file, based on libtextstyle's textstyle.h.
* m4/libtextstyle-optional.m4: New file, based on m4/libtextstyle.m4.
* modules/libtextstyle-optional: New file.
Diffstat (limited to 'm4')
-rw-r--r-- | m4/libtextstyle-optional.m4 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/m4/libtextstyle-optional.m4 b/m4/libtextstyle-optional.m4 new file mode 100644 index 0000000000..16c8f1677c --- /dev/null +++ b/m4/libtextstyle-optional.m4 @@ -0,0 +1,30 @@ +# 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"]) +]) |