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revise iconv detection:

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- check libiconv with a linkage test with iconv.h included
- check libc iconv with a linkage test with iconv.h included
  and LIBICONV_PLUG defined (in case libiconv header is in
  include path)
- add new configuration option to prefer iconv from libiconv,
  if available, over the libc version: SDL_LIBICONV, defaults
  to disabled.
- remove FindIconv + pkg_check_modules for iconv, and use our
  manual iconv finding only
- change FreeBSD specific LIBICONV_PLUG define in SDL_iconv.c
  to configuration result.
This commit is contained in:
Ozkan Sezer
2023-11-23 04:30:56 +03:00
parent a45b371de0
commit 42c8366fdc
3 changed files with 30 additions and 21 deletions
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2
src/stdlib/SDL_iconv.c
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@@ -23,7 +23,7 @@
/* This file contains portable iconv functions for SDL */
#if defined(HAVE_ICONV) && defined(HAVE_ICONV_H)
#ifdef __FreeBSD__
#ifndef SDL_USE_LIBICONV
/* Define LIBICONV_PLUG to use iconv from the base instead of ports and avoid linker errors. */
#define LIBICONV_PLUG 1
#endif