Tree @debian/1.2.7-10 (Download .tar.gz)
- ..
- 00gnulib.m4
- absolute-header.m4
- alloca.m4
- arpa_inet_h.m4
- asm-underscore.m4
- autobuild.m4
- base64.m4
- btowc.m4
- byteswap.m4
- calloc.m4
- canonicalize.m4
- chown.m4
- clock_time.m4
- close.m4
- codeset.m4
- configmake.m4
- count-one-bits.m4
- dirname.m4
- double-slash-root.m4
- dup.m4
- dup2.m4
- eealloc.m4
- environ.m4
- errno_h.m4
- error.m4
- execinfo.m4
- exponentd.m4
- exponentf.m4
- exponentl.m4
- extensions.m4
- extern-inline.m4
- fatal-signal.m4
- fclose.m4
- fcntl-o.m4
- fcntl.m4
- fcntl_h.m4
- fdatasync.m4
- fdopen.m4
- fflush.m4
- ffs.m4
- ffsl.m4
- float_h.m4
- fnmatch.m4
- fpieee.m4
- fpurge.m4
- freading.m4
- fseek.m4
- fseeko.m4
- fstat.m4
- fsync.m4
- ftell.m4
- ftello.m4
- ftruncate.m4
- func.m4
- getaddrinfo.m4
- getcwd.m4
- getdelim.m4
- getdtablesize.m4
- getgroups.m4
- gethostname.m4
- getline.m4
- getpagesize.m4
- getpass.m4
- gettext.m4
- gettimeofday.m4
- getugroups.m4
- gl-openssl.m4
- glibc21.m4
- gnulib-common.m4
- gnulib-comp.m4
- grantpt.m4
- hostent.m4
- iconv.m4
- include_next.m4
- inet_ntop.m4
- inet_pton.m4
- intlmacosx.m4
- intmax_t.m4
- inttypes-pri.m4
- inttypes.m4
- inttypes_h.m4
- ioctl.m4
- isatty.m4
- isnand.m4
- isnanf.m4
- isnanl.m4
- langinfo_h.m4
- largefile.m4
- lcmessage.m4
- ldexp.m4
- lib-ld.m4
- lib-link.m4
- lib-prefix.m4
- libtool.m4
- localcharset.m4
- locale-fr.m4
- locale-ja.m4
- locale-tr.m4
- locale-zh.m4
- locale_h.m4
- localeconv.m4
- localename.m4
- lock.m4
- longlong.m4
- lseek.m4
- lstat.m4
- ltoptions.m4
- ltsugar.m4
- ltversion.m4
- lt~obsolete.m4
- malloc.m4
- malloca.m4
- manywarnings.m4
- math_h.m4
- mbrtowc.m4
- mbsinit.m4
- mbsrtowcs.m4
- mbstate_t.m4
- mbtowc.m4
- md5.m4
- memchr.m4
- mgetgroups.m4
- mkdtemp.m4
- mkostemp.m4
- mkostemps.m4
- mktime.m4
- mmap-anon.m4
- mode_t.m4
- msvc-inval.m4
- msvc-nothrow.m4
- multiarch.m4
- nanosleep.m4
- net_if_h.m4
- netdb_h.m4
- netinet_in_h.m4
- nl_langinfo.m4
- nls.m4
- nocrash.m4
- nonblocking.m4
- off_t.m4
- onceonly.m4
- open.m4
- passfd.m4
- pathmax.m4
- perror.m4
- physmem.m4
- pipe.m4
- pipe2.m4
- po.m4
- poll.m4
- poll_h.m4
- posix-shell.m4
- posix_openpt.m4
- posix_spawn.m4
- printf.m4
- progtest.m4
- pthread.m4
- pthread_sigmask.m4
- ptsname.m4
- ptsname_r.m4
- pty.m4
- pty_h.m4
- putenv.m4
- raise.m4
- random_r.m4
- rawmemchr.m4
- read.m4
- readlink.m4
- realloc.m4
- regex.m4
- sched_h.m4
- secure_getenv.m4
- select.m4
- servent.m4
- setenv.m4
- setlocale.m4
- sha256.m4
- sig_atomic_t.m4
- sigaction.m4
- signal_h.m4
- signalblocking.m4
- signbit.m4
- sigpipe.m4
- size_max.m4
- sleep.m4
- snprintf.m4
- socketlib.m4
- sockets.m4
- socklen.m4
- sockpfaf.m4
- spawn_h.m4
- ssize_t.m4
- stat-time.m4
- stat.m4
- stdalign.m4
- stdarg.m4
- stdbool.m4
- stddef_h.m4
- stdint.m4
- stdint_h.m4
- stdio_h.m4
- stdlib_h.m4
- stpcpy.m4
- strcase.m4
- strchrnul.m4
- strdup.m4
- strerror.m4
- strerror_r.m4
- string_h.m4
- strings_h.m4
- strndup.m4
- strnlen.m4
- strptime.m4
- strsep.m4
- strtok_r.m4
- symlink.m4
- sys_ioctl_h.m4
- sys_select_h.m4
- sys_socket_h.m4
- sys_stat_h.m4
- sys_time_h.m4
- sys_types_h.m4
- sys_uio_h.m4
- sys_utsname_h.m4
- sys_wait_h.m4
- tempname.m4
- termios_h.m4
- thread.m4
- threadlib.m4
- time_h.m4
- time_r.m4
- timegm.m4
- tm_gmtoff.m4
- ttyname_r.m4
- uname.m4
- ungetc.m4
- unistd_h.m4
- unlockpt.m4
- usleep.m4
- vasnprintf.m4
- vasprintf.m4
- virt-apparmor.m4
- virt-attr.m4
- virt-audit.m4
- virt-avahi.m4
- virt-blkid.m4
- virt-capng.m4
- virt-compile-pie.m4
- virt-compile-warnings.m4
- virt-curl.m4
- virt-dbus.m4
- virt-driver-bhyve.m4
- virt-fuse.m4
- virt-gluster.m4
- virt-hal.m4
- virt-lib.m4
- virt-linker-no-indirect.m4
- virt-linker-relro.m4
- virt-netcf.m4
- virt-numactl.m4
- virt-openwsman.m4
- virt-pciaccess.m4
- virt-readline.m4
- virt-result.m4
- virt-sanlock.m4
- virt-sasl.m4
- virt-selinux.m4
- virt-ssh2.m4
- virt-systemd-daemon.m4
- virt-udev.m4
- virt-yajl.m4
- vsnprintf.m4
- wait-process.m4
- waitpid.m4
- warnings.m4
- wchar_h.m4
- wchar_t.m4
- wcrtomb.m4
- wctob.m4
- wctomb.m4
- wctype_h.m4
- wint_t.m4
- write.m4
- xalloc.m4
- xsize.m4
setenv.m4 @debian/1.2.7-10 — raw · history · blame
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | # setenv.m4 serial 26 dnl Copyright (C) 2001-2004, 2006-2014 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([gl_FUNC_SETENV], [ AC_REQUIRE([gl_FUNC_SETENV_SEPARATE]) AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles if test $ac_cv_func_setenv = no; then HAVE_SETENV=0 else AC_CACHE_CHECK([whether setenv validates arguments], [gl_cv_func_setenv_works], [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ #include <stdlib.h> #include <errno.h> #include <string.h> ]], [[ int result = 0; { if (setenv ("", "", 0) != -1) result |= 1; else if (errno != EINVAL) result |= 2; } { if (setenv ("a", "=", 1) != 0) result |= 4; else if (strcmp (getenv ("a"), "=") != 0) result |= 8; } return result; ]])], [gl_cv_func_setenv_works=yes], [gl_cv_func_setenv_works=no], [case "$host_os" in # Guess yes on glibc systems. *-gnu*) gl_cv_func_setenv_works="guessing yes" ;; # If we don't know, assume the worst. *) gl_cv_func_setenv_works="guessing no" ;; esac ])]) case "$gl_cv_func_setenv_works" in *yes) ;; *) REPLACE_SETENV=1 ;; esac fi ]) # Like gl_FUNC_SETENV, except prepare for separate compilation # (no REPLACE_SETENV, no AC_LIBOBJ). AC_DEFUN([gl_FUNC_SETENV_SEPARATE], [ AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) AC_CHECK_DECLS_ONCE([setenv]) if test $ac_cv_have_decl_setenv = no; then HAVE_DECL_SETENV=0 fi AC_CHECK_FUNCS_ONCE([setenv]) gl_PREREQ_SETENV ]) AC_DEFUN([gl_FUNC_UNSETENV], [ AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CHECK_DECLS_ONCE([unsetenv]) if test $ac_cv_have_decl_unsetenv = no; then HAVE_DECL_UNSETENV=0 fi AC_CHECK_FUNCS([unsetenv]) if test $ac_cv_func_unsetenv = no; then HAVE_UNSETENV=0 else HAVE_UNSETENV=1 dnl Some BSDs return void, failing to do error checking. AC_CACHE_CHECK([for unsetenv() return type], [gt_cv_func_unsetenv_ret], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[ #undef _BSD #define _BSD 1 /* unhide unsetenv declaration in OSF/1 5.1 <stdlib.h> */ #include <stdlib.h> extern #ifdef __cplusplus "C" #endif int unsetenv (const char *name); ]], [[]])], [gt_cv_func_unsetenv_ret='int'], [gt_cv_func_unsetenv_ret='void'])]) if test $gt_cv_func_unsetenv_ret = 'void'; then AC_DEFINE([VOID_UNSETENV], [1], [Define to 1 if unsetenv returns void instead of int.]) REPLACE_UNSETENV=1 fi dnl Solaris 10 unsetenv does not remove all copies of a name. dnl Haiku alpha 2 unsetenv gets confused by assignment to environ. dnl OpenBSD 4.7 unsetenv("") does not fail. AC_CACHE_CHECK([whether unsetenv obeys POSIX], [gl_cv_func_unsetenv_works], [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ #include <stdlib.h> #include <errno.h> extern char **environ; ]], [[ char entry1[] = "a=1"; char entry2[] = "b=2"; char *env[] = { entry1, entry2, NULL }; if (putenv ((char *) "a=1")) return 1; if (putenv (entry2)) return 2; entry2[0] = 'a'; unsetenv ("a"); if (getenv ("a")) return 3; if (!unsetenv ("") || errno != EINVAL) return 4; entry2[0] = 'b'; environ = env; if (!getenv ("a")) return 5; entry2[0] = 'a'; unsetenv ("a"); if (getenv ("a")) return 6; ]])], [gl_cv_func_unsetenv_works=yes], [gl_cv_func_unsetenv_works=no], [case "$host_os" in # Guess yes on glibc systems. *-gnu*) gl_cv_func_unsetenv_works="guessing yes" ;; # If we don't know, assume the worst. *) gl_cv_func_unsetenv_works="guessing no" ;; esac ])]) case "$gl_cv_func_unsetenv_works" in *yes) ;; *) REPLACE_UNSETENV=1 ;; esac fi ]) # Prerequisites of lib/setenv.c. AC_DEFUN([gl_PREREQ_SETENV], [ AC_REQUIRE([AC_FUNC_ALLOCA]) AC_REQUIRE([gl_ENVIRON]) AC_CHECK_HEADERS_ONCE([unistd.h]) AC_CHECK_HEADERS([search.h]) AC_CHECK_FUNCS([tsearch]) ]) # Prerequisites of lib/unsetenv.c. AC_DEFUN([gl_PREREQ_UNSETENV], [ AC_REQUIRE([gl_ENVIRON]) AC_CHECK_HEADERS_ONCE([unistd.h]) ]) |