kc3-lang/gnulib/m4/qsort_r.m4
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Hash : c751b471
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Date : 2025-09-20T22:41:16
qsort_r: Port to Android API level 36. * m4/qsort_r.m4 (gl_FUNC_QSORT_R): Use gl_CHECK_FUNCS_ANDROID to check for qsort_r instead of AC_CHECK_FUNCS_ONCE. * doc/glibc-functions/qsort_r.texi: Document that the function is missing on Android API 35 and lower.
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m4/qsort_r.m4
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# qsort_r.m4 # serial 2 dnl Copyright 2014-2025 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 This file is offered as-is, without any warranty. dnl Reentrant sort function. dnl Written by Paul Eggert. AC_DEFUN([gl_FUNC_QSORT_R], [ dnl Persuade glibc to declare qsort_r. AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) gl_CHECK_FUNCS_ANDROID([qsort_r], [[#include <stdlib.h>]]) if test $ac_cv_func_qsort_r = yes; then AC_CACHE_CHECK([for qsort_r signature], [gl_cv_qsort_r_signature], [AC_LINK_IFELSE( [AC_LANG_PROGRAM([[#include <stdlib.h> void qsort_r (void *, size_t, size_t, int (*) (void const *, void const *, void *), void *); void (*p) (void *, size_t, size_t, int (*) (void const *, void const *, void *), void *) = qsort_r; ]])], [gl_cv_qsort_r_signature=GNU], [AC_LINK_IFELSE( [AC_LANG_PROGRAM([[#include <stdlib.h> void qsort_r (void *, size_t, size_t, void *, int (*) (void *, void const *, void const *)); void (*p) (void *, size_t, size_t, void *, int (*) (void *, void const *, void const *)) = qsort_r; ]])], [gl_cv_qsort_r_signature=BSD], [gl_cv_qsort_r_signature=unknown])])]) case $gl_cv_qsort_r_signature in GNU) ;; BSD) REPLACE_QSORT_R=1 ;; unknown) HAVE_QSORT_R=0 REPLACE_QSORT_R=1 ;; esac else HAVE_QSORT_R=0 fi ])