-dnl see if a declaration exists for a function or variable
-dnl defines HAVE_function_DECL if it exists
-dnl AC_HAVE_DECL(var, includes)
-AC_DEFUN(AC_HAVE_DECL,
+AC_DEFUN_ONCE(AC_LIBREPLACE_LOCATION_CHECKS,
[
- AC_CACHE_CHECK([for $1 declaration],ac_cv_have_$1_decl,[
- AC_TRY_COMPILE([$2],[int i = (int)$1],
- ac_cv_have_$1_decl=yes,ac_cv_have_$1_decl=no)])
- if test x"$ac_cv_have_$1_decl" = x"yes"; then
- AC_DEFINE([HAVE_]translit([$1], [a-z], [A-Z])[_DECL],1,[Whether $1() is available])
- fi
-])
+echo "LIBREPLACE_LOCATION_CHECKS: START"
+
+dnl find the libreplace sources. This is meant to work both for
+dnl libreplace standalone builds, and builds of packages using libreplace
+libreplacedir=""
+libreplacepaths="$srcdir $srcdir/lib/replace $srcdir/libreplace $srcdir/../libreplace $srcdir/../replace"
+for d in $libreplacepaths; do
+ if test -f "$d/replace.c"; then
+ libreplacedir="$d"
+ AC_SUBST(libreplacedir)
+ break;
+ fi
+done
+if test x"$libreplacedir" = "x"; then
+ AC_MSG_ERROR([cannot find libreplace in $libreplacepaths])
+fi
+LIBREPLACEOBJ="replace.o"
+AC_SUBST(LIBREPLACEOBJ)
+
+AC_CANONICAL_BUILD
+AC_CANONICAL_HOST
+AC_CANONICAL_TARGET
+
+echo "LIBREPLACE_LOCATION_CHECKS: END"
+]) dnl end AC_LIBREPLACE_LOCATION_CHECKS
+
+
+AC_DEFUN_ONCE(AC_LIBREPLACE_BROKEN_CHECKS,
+[
+echo "LIBREPLACE_BROKEN_CHECKS: START"
dnl find the libreplace sources. This is meant to work both for
dnl libreplace standalone builds, and builds of packages using libreplace
break;
fi
done
-LIBREPLACEOBJ="dlfcn.o getpass.o replace.o snprintf.o timegm.o"
+LIBREPLACEOBJ="replace.o"
AC_SUBST(LIBREPLACEOBJ)
-AC_CHECK_HEADERS([stdint.h inttypes.h])
-AC_CHECK_TYPE(uint_t, unsigned int)
-AC_CHECK_TYPE(uint8_t, unsigned char)
-AC_CHECK_TYPE(int8_t, char)
-AC_CHECK_TYPE(int16_t, short)
-AC_CHECK_TYPE(uint16_t, unsigned short)
-AC_CHECK_TYPE(int32_t, long)
-AC_CHECK_TYPE(intptr_t, unsigned long long)
-AC_CHECK_TYPE(uint32_t, unsigned long)
-AC_CHECK_TYPE(ssize_t, int)
+LIBREPLACEOBJ="${LIBREPLACEOBJ} snprintf.o"
+
+AC_TYPE_SIGNAL
+AC_TYPE_UID_T
+AC_TYPE_MODE_T
+AC_TYPE_OFF_T
+AC_TYPE_SIZE_T
+AC_TYPE_PID_T
+AC_STRUCT_ST_RDEV
+AC_CHECK_TYPE(ino_t,unsigned)
+AC_CHECK_TYPE(loff_t,off_t)
+AC_CHECK_TYPE(offset_t,loff_t)
-AC_CHECK_HEADERS(stdbool.h)
+AC_FUNC_MEMCMP
+
+AC_CHECK_FUNCS(pipe strftime srandom random srand rand usleep setbuffer lstat getpgrp)
+
+AC_CHECK_HEADERS(stdbool.h sys/select.h)
+
+AC_CHECK_HEADERS(sys/epoll.h)
+AC_CHECK_FUNCS(epoll_create)
AC_CHECK_TYPE(bool,
[AC_DEFINE(HAVE_BOOL, 1, [Whether the bool type is available])],,
#endif]
)
+AC_CHECK_TYPE(_Bool,
+[AC_DEFINE(HAVE__Bool, 1, [Whether the _Bool type is available])],,
+[
+AC_INCLUDES_DEFAULT
+#ifdef HAVE_STDBOOL_H
+#include <stdbool.h>
+#endif]
+)
+
+AC_CACHE_CHECK([for working mmap],samba_cv_HAVE_MMAP,[
+AC_TRY_RUN([#include "$libreplacedir/test/shared_mmap.c"],
+ samba_cv_HAVE_MMAP=yes,samba_cv_HAVE_MMAP=no,samba_cv_HAVE_MMAP=cross)])
+if test x"$samba_cv_HAVE_MMAP" = x"yes"; then
+ AC_DEFINE(HAVE_MMAP,1,[Whether mmap works])
+fi
+
+
+AC_CHECK_HEADERS(sys/syslog.h syslog.h)
+AC_CHECK_HEADERS(sys/time.h time.h)
+AC_CHECK_HEADERS(stdarg.h vararg.h)
+AC_CHECK_HEADERS(sys/socket.h netinet/in.h netdb.h arpa/inet.h)
+AC_CHECK_HEADERS(netinet/ip.h netinet/tcp.h netinet/in_systm.h netinet/in_ip.h)
+AC_CHECK_HEADERS(sys/sockio.h sys/un.h)
+
+
+dnl we need to check that net/if.h really can be used, to cope with hpux
+dnl where including it always fails
+AC_CACHE_CHECK([for usable net/if.h],libreplace_cv_USABLE_NET_IF_H,[
+ AC_COMPILE_IFELSE([
+ AC_INCLUDES_DEFAULT
+ #if HAVE_SYS_SOCKET_H
+ # include <sys/socket.h>
+ #endif
+ #include <net/if.h>
+ int main(void) {return 0;}],
+ [libreplace_cv_USABLE_NET_IF_H=yes],
+ [libreplace_cv_USABLE_NET_IF_H=no]
+ )
+])
+if test x"$libreplace_cv_USABLE_NET_IF_H" = x"yes";then
+ AC_DEFINE(HAVE_NET_IF_H, 1, usability of net/if.h)
+fi
AC_CACHE_CHECK([for broken inet_ntoa],samba_cv_REPLACE_INET_NTOA,[
AC_TRY_RUN([
#include <stdio.h>
+#include <unistd.h>
#include <sys/types.h>
#include <netinet/in.h>
#ifdef HAVE_ARPA_INET_H
[socklen_t foo;],,
[AC_DEFINE(socklen_t, int,[Socket length type])])
-AC_CHECK_HEADERS(sys/syslog.h syslog.h)
-AC_CHECK_HEADERS(sys/time.h time.h)
-AC_CHECK_HEADERS(sys/socket.h netinet/in.h)
-AC_CHECK_HEADERS(stdarg.h vararg.h)
AC_CHECK_FUNCS(seteuid setresuid setegid setresgid chroot bzero strerror)
AC_CHECK_FUNCS(vsyslog setlinebuf mktime ftruncate chsize rename)
AC_CHECK_FUNCS(waitpid strlcpy strlcat innetgr initgroups memmove strdup)
AC_DEFINE(HAVE_C99_VSNPRINTF,1,[Whether there is a C99 compliant vsnprintf])
fi
-dnl dummies provided by dlfcn.c if not available
-save_LIBS="$LIBS"
-LIBS=""
-AC_SEARCH_LIBS(dlopen, dl)
-AC_CHECK_HEADERS(dlfcn.h)
-AC_CHECK_FUNCS(dlopen dlsym dlerror dlclose)
-LIBDL="$LIBS"
-AC_SUBST(LIBDL)
-LIBS="$save_LIBS"
-
-AC_CHECK_FUNCS([syslog memset setnetgrent getnetgrent endnetgrent memcpy],,
- [AC_MSG_ERROR([Required function not found])])
-
-m4_include(getpass.m4)
-m4_include(cc_features.m4)
-m4_include(system/config.m4)
-
-LIBREPLACE_C99_STRUCT_INIT(c99_struct_initialization=yes,
- c99_struct_initialization=no)
dnl VA_COPY
AC_CACHE_CHECK([for va_copy],samba_cv_HAVE_VA_COPY,[
AC_CHECK_TYPE(comparison_fn_t,
[AC_DEFINE(HAVE_COMPARISON_FN_T, 1,[Whether or not we have comparison_fn_t])])
-AC_CHECK_FUNCS(timegm strnlen setenv)
+AC_CHECK_FUNCS(strnlen setenv)
AC_CHECK_FUNCS(strtoull __strtoull strtouq strtoll __strtoll strtoq)
# this test disabled as we don't actually need __VA_ARGS__ yet
-# AC_TRY_CPP([
-# #define eprintf(...) fprintf(stderr, __VA_ARGS__)
-# eprintf("bla", "bar");
-# ], [], [AC_MSG_ERROR([__VA_ARGS__ is required])])
+AC_TRY_CPP([
+#define eprintf(...) fprintf(stderr, __VA_ARGS__)
+eprintf("bla", "bar");
+], AC_DEFINE(HAVE__VA_ARGS__MACRO, 1, [Whether the __VA_ARGS__ macro is available]))
# Check prerequisites
AC_CHECK_FUNCS([memset printf syslog], [],
fi
+AC_CACHE_CHECK([for O_DIRECT flag to open(2)],samba_cv_HAVE_OPEN_O_DIRECT,[
+AC_TRY_COMPILE([
+#include <unistd.h>
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif],
+[int fd = open("/dev/null", O_DIRECT);],
+samba_cv_HAVE_OPEN_O_DIRECT=yes,samba_cv_HAVE_OPEN_O_DIRECT=no)])
+if test x"$samba_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then
+ AC_DEFINE(HAVE_OPEN_O_DIRECT,1,[Whether the open(2) accepts O_DIRECT])
+fi
+
+
+AC_CACHE_CHECK([that the C compiler can precompile header files],samba_cv_precompiled_headers, [
+ dnl Check whether the compiler can generate precompiled headers
+ touch conftest.h
+ if ${CC-cc} conftest.h 2> /dev/null && test -f conftest.h.gch; then
+ precompiled_headers=yes
+ else
+ precompiled_headers=no
+ fi])
+AC_SUBST(precompiled_headers)
+
+
+dnl Check if the C compiler understands volatile (it should, being ANSI).
+AC_CACHE_CHECK([that the C compiler understands volatile],samba_cv_volatile, [
+ AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0],
+ samba_cv_volatile=yes,samba_cv_volatile=no)])
+if test x"$samba_cv_volatile" = x"yes"; then
+ AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile])
+fi
+
+m4_include(system/config.m4)
+
+m4_include(dlfcn.m4)
+m4_include(getpass.m4)
+m4_include(win32.m4)
+m4_include(timegm.m4)
+m4_include(repdir.m4)
+
+AC_CHECK_FUNCS([syslog memset setnetgrent getnetgrent endnetgrent memcpy],,
+ [AC_MSG_ERROR([Required function not found])])
+
+echo "LIBREPLACE_BROKEN_CHECKS: END"
+]) dnl end AC_LIBREPLACE_BROKEN_CHECKS
+
+AC_DEFUN_ONCE(AC__LIBREPLACE_ALL_CHECKS_START,
+[
+#LIBREPLACE_ALL_CHECKS: START"
+])
+AC_DEFUN_ONCE(AC__LIBREPLACE_ALL_CHECKS_END,
+[
+#LIBREPLACE_ALL_CHECKS: END"
+])
+m4_define(AC_LIBREPLACE_ALL_CHECKS,
+[
+AC__LIBREPLACE_ALL_CHECKS_START
+AC_LIBREPLACE_LOCATION_CHECKS
+AC_LIBREPLACE_CC_CHECKS
+AC_LIBREPLACE_BROKEN_CHECKS
+AC__LIBREPLACE_ALL_CHECKS_END
+])
+
+m4_include(libreplace_cc.m4)
+m4_include(libreplace_macros.m4)
+m4_include(autoconf-2.60.m4)
git.samba.org / ira / wip.git / blobdiff