diff options
Diffstat (limited to 'm4/stdlib_h.m4')
| -rw-r--r-- | m4/stdlib_h.m4 | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/m4/stdlib_h.m4 b/m4/stdlib_h.m4 new file mode 100644 index 0000000..9e20969 --- /dev/null +++ b/m4/stdlib_h.m4 @@ -0,0 +1,200 @@ +# stdlib_h.m4 serial 66 +dnl Copyright (C) 2007-2022 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. + +AC_DEFUN_ONCE([gl_STDLIB_H], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + gl_NEXT_HEADERS([stdlib.h]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use, and which is not + dnl guaranteed by C89. + gl_WARN_ON_USE_PREPARE([[#include <stdlib.h> +#if HAVE_SYS_LOADAVG_H +/* OpenIndiana has a bug: <sys/time.h> must be included before + <sys/loadavg.h>. */ +# include <sys/time.h> +# include <sys/loadavg.h> +#endif +#if HAVE_RANDOM_H +# include <random.h> +#endif + ]], [_Exit aligned_alloc atoll canonicalize_file_name free + getloadavg getsubopt grantpt + initstate initstate_r mbtowc mkdtemp mkostemp mkostemps mkstemp mkstemps + posix_memalign posix_openpt ptsname ptsname_r qsort_r + random random_r reallocarray realpath rpmatch secure_getenv setenv + setstate setstate_r srandom srandom_r + strtod strtol strtold strtoll strtoul strtoull unlockpt unsetenv]) + + AC_REQUIRE([AC_C_RESTRICT]) + + AC_CHECK_DECLS_ONCE([ecvt]) + if test $ac_cv_have_decl_ecvt = no; then + HAVE_DECL_ECVT=0 + fi + AC_CHECK_DECLS_ONCE([fcvt]) + if test $ac_cv_have_decl_fcvt = no; then + HAVE_DECL_FCVT=0 + fi + AC_CHECK_DECLS_ONCE([gcvt]) + if test $ac_cv_have_decl_gcvt = no; then + HAVE_DECL_GCVT=0 + fi +]) + +# gl_STDLIB_MODULE_INDICATOR([modulename]) +# sets the shell variable that indicates the presence of the given module +# to a C preprocessor expression that will evaluate to 1. +# This macro invocation must not occur in macros that are AC_REQUIREd. +AC_DEFUN([gl_STDLIB_MODULE_INDICATOR], +[ + dnl Ensure to expand the default settings once only. + gl_STDLIB_H_REQUIRE_DEFAULTS + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +# Initializes the default values for AC_SUBSTed shell variables. +# This macro must not be AC_REQUIREd. It must only be invoked, and only +# outside of macros or in macros that are not AC_REQUIREd. +AC_DEFUN([gl_STDLIB_H_REQUIRE_DEFAULTS], +[ + m4_defun(GL_MODULE_INDICATOR_PREFIX[_STDLIB_H_MODULE_INDICATOR_DEFAULTS], [ + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB__EXIT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ALIGNED_ALLOC]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ATOLL]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CALLOC_GNU]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CALLOC_POSIX]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CANONICALIZE_FILE_NAME]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FREE_POSIX]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETLOADAVG]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETSUBOPT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GRANTPT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MALLOC_GNU]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MALLOC_POSIX]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBTOWC]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKDTEMP]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKOSTEMP]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKOSTEMPS]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKSTEMP]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKSTEMPS]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_POSIX_MEMALIGN]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_POSIX_OPENPT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PTSNAME]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PTSNAME_R]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PUTENV]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_QSORT_R]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RANDOM]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RANDOM_R]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REALLOCARRAY]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REALLOC_GNU]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REALLOC_POSIX]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REALPATH]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RPMATCH]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SECURE_GETENV]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SETENV]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOD]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOL]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOLD]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOLL]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOUL]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOULL]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SYSTEM_POSIX]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_UNLOCKPT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_UNSETENV]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCTOMB]) + dnl Support Microsoft deprecated alias function names by default. + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_ECVT], [1]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_FCVT], [1]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_GCVT], [1]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_MKTEMP], [1]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_PUTENV], [1]) + ]) + m4_require(GL_MODULE_INDICATOR_PREFIX[_STDLIB_H_MODULE_INDICATOR_DEFAULTS]) + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) +]) + +AC_DEFUN([gl_STDLIB_H_DEFAULTS], +[ + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE__EXIT=1; AC_SUBST([HAVE__EXIT]) + HAVE_ALIGNED_ALLOC=1; AC_SUBST([HAVE_ALIGNED_ALLOC]) + HAVE_ATOLL=1; AC_SUBST([HAVE_ATOLL]) + HAVE_CANONICALIZE_FILE_NAME=1; AC_SUBST([HAVE_CANONICALIZE_FILE_NAME]) + HAVE_DECL_ECVT=1; AC_SUBST([HAVE_DECL_ECVT]) + HAVE_DECL_FCVT=1; AC_SUBST([HAVE_DECL_FCVT]) + HAVE_DECL_GCVT=1; AC_SUBST([HAVE_DECL_GCVT]) + HAVE_DECL_GETLOADAVG=1; AC_SUBST([HAVE_DECL_GETLOADAVG]) + HAVE_GETSUBOPT=1; AC_SUBST([HAVE_GETSUBOPT]) + HAVE_GRANTPT=1; AC_SUBST([HAVE_GRANTPT]) + HAVE_INITSTATE=1; AC_SUBST([HAVE_INITSTATE]) + HAVE_DECL_INITSTATE=1; AC_SUBST([HAVE_DECL_INITSTATE]) + HAVE_MBTOWC=1; AC_SUBST([HAVE_MBTOWC]) + HAVE_MKDTEMP=1; AC_SUBST([HAVE_MKDTEMP]) + HAVE_MKOSTEMP=1; AC_SUBST([HAVE_MKOSTEMP]) + HAVE_MKOSTEMPS=1; AC_SUBST([HAVE_MKOSTEMPS]) + HAVE_MKSTEMP=1; AC_SUBST([HAVE_MKSTEMP]) + HAVE_MKSTEMPS=1; AC_SUBST([HAVE_MKSTEMPS]) + HAVE_POSIX_MEMALIGN=1; AC_SUBST([HAVE_POSIX_MEMALIGN]) + HAVE_POSIX_OPENPT=1; AC_SUBST([HAVE_POSIX_OPENPT]) + HAVE_PTSNAME=1; AC_SUBST([HAVE_PTSNAME]) + HAVE_PTSNAME_R=1; AC_SUBST([HAVE_PTSNAME_R]) + HAVE_QSORT_R=1; AC_SUBST([HAVE_QSORT_R]) + HAVE_RANDOM=1; AC_SUBST([HAVE_RANDOM]) + HAVE_RANDOM_H=1; AC_SUBST([HAVE_RANDOM_H]) + HAVE_RANDOM_R=1; AC_SUBST([HAVE_RANDOM_R]) + HAVE_REALLOCARRAY=1; AC_SUBST([HAVE_REALLOCARRAY]) + HAVE_REALPATH=1; AC_SUBST([HAVE_REALPATH]) + HAVE_RPMATCH=1; AC_SUBST([HAVE_RPMATCH]) + HAVE_SECURE_GETENV=1; AC_SUBST([HAVE_SECURE_GETENV]) + HAVE_SETENV=1; AC_SUBST([HAVE_SETENV]) + HAVE_DECL_SETENV=1; AC_SUBST([HAVE_DECL_SETENV]) + HAVE_SETSTATE=1; AC_SUBST([HAVE_SETSTATE]) + HAVE_DECL_SETSTATE=1; AC_SUBST([HAVE_DECL_SETSTATE]) + HAVE_STRTOD=1; AC_SUBST([HAVE_STRTOD]) + HAVE_STRTOL=1; AC_SUBST([HAVE_STRTOL]) + HAVE_STRTOLD=1; AC_SUBST([HAVE_STRTOLD]) + HAVE_STRTOLL=1; AC_SUBST([HAVE_STRTOLL]) + HAVE_STRTOUL=1; AC_SUBST([HAVE_STRTOUL]) + HAVE_STRTOULL=1; AC_SUBST([HAVE_STRTOULL]) + HAVE_STRUCT_RANDOM_DATA=1; AC_SUBST([HAVE_STRUCT_RANDOM_DATA]) + HAVE_SYS_LOADAVG_H=0; AC_SUBST([HAVE_SYS_LOADAVG_H]) + HAVE_UNLOCKPT=1; AC_SUBST([HAVE_UNLOCKPT]) + HAVE_DECL_UNSETENV=1; AC_SUBST([HAVE_DECL_UNSETENV]) + REPLACE_ALIGNED_ALLOC=0; AC_SUBST([REPLACE_ALIGNED_ALLOC]) + REPLACE_CALLOC_FOR_CALLOC_GNU=0; AC_SUBST([REPLACE_CALLOC_FOR_CALLOC_GNU]) + REPLACE_CALLOC_FOR_CALLOC_POSIX=0; AC_SUBST([REPLACE_CALLOC_FOR_CALLOC_POSIX]) + REPLACE_CANONICALIZE_FILE_NAME=0; AC_SUBST([REPLACE_CANONICALIZE_FILE_NAME]) + REPLACE_FREE=0; AC_SUBST([REPLACE_FREE]) + REPLACE_INITSTATE=0; AC_SUBST([REPLACE_INITSTATE]) + REPLACE_MALLOC_FOR_MALLOC_GNU=0; AC_SUBST([REPLACE_MALLOC_FOR_MALLOC_GNU]) + REPLACE_MALLOC_FOR_MALLOC_POSIX=0; AC_SUBST([REPLACE_MALLOC_FOR_MALLOC_POSIX]) + REPLACE_MBTOWC=0; AC_SUBST([REPLACE_MBTOWC]) + REPLACE_MKSTEMP=0; AC_SUBST([REPLACE_MKSTEMP]) + REPLACE_POSIX_MEMALIGN=0; AC_SUBST([REPLACE_POSIX_MEMALIGN]) + REPLACE_PTSNAME=0; AC_SUBST([REPLACE_PTSNAME]) + REPLACE_PTSNAME_R=0; AC_SUBST([REPLACE_PTSNAME_R]) + REPLACE_PUTENV=0; AC_SUBST([REPLACE_PUTENV]) + REPLACE_QSORT_R=0; AC_SUBST([REPLACE_QSORT_R]) + REPLACE_RANDOM=0; AC_SUBST([REPLACE_RANDOM]) + REPLACE_RANDOM_R=0; AC_SUBST([REPLACE_RANDOM_R]) + REPLACE_REALLOC_FOR_REALLOC_GNU=0; AC_SUBST([REPLACE_REALLOC_FOR_REALLOC_GNU]) + REPLACE_REALLOC_FOR_REALLOC_POSIX=0; AC_SUBST([REPLACE_REALLOC_FOR_REALLOC_POSIX]) + REPLACE_REALLOCARRAY=0; AC_SUBST([REPLACE_REALLOCARRAY]) + REPLACE_REALPATH=0; AC_SUBST([REPLACE_REALPATH]) + REPLACE_SETENV=0; AC_SUBST([REPLACE_SETENV]) + REPLACE_SETSTATE=0; AC_SUBST([REPLACE_SETSTATE]) + REPLACE_STRTOD=0; AC_SUBST([REPLACE_STRTOD]) + REPLACE_STRTOL=0; AC_SUBST([REPLACE_STRTOL]) + REPLACE_STRTOLD=0; AC_SUBST([REPLACE_STRTOLD]) + REPLACE_STRTOLL=0; AC_SUBST([REPLACE_STRTOLL]) + REPLACE_STRTOUL=0; AC_SUBST([REPLACE_STRTOUL]) + REPLACE_STRTOULL=0; AC_SUBST([REPLACE_STRTOULL]) + REPLACE_UNSETENV=0; AC_SUBST([REPLACE_UNSETENV]) + REPLACE_WCTOMB=0; AC_SUBST([REPLACE_WCTOMB]) +]) |