Move common libraries from root to lib/.

1 files changed, 308 insertions, 0 deletions

diff --git a/lib/replace/libreplace.m4 b/lib/replace/libreplace.m4
new file mode 100644
index 00000000000..dc7d88e6e18
--- /dev/null
+++ b/lib/replace/libreplace.m4
@@ -0,0 +1,308 @@
+AC_DEFUN_ONCE(AC_LIBREPLACE_LOCATION_CHECKS,
+[
+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 $srcdir/../lib/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 $libreplacepaths])
+fi
+LIBREPLACEOBJ="replace.o"
+AC_SUBST(LIBREPLACEOBJ)
+
+AC_CANONICAL_BUILD
+AC_CANONICAL_HOST
+AC_CANONICAL_TARGET
+
+echo "LIBREPLACE_LOCATION_CHECKS: END"
+]) dnl end AC_LIBREPLACE_LOCATION_CHECKS
+
+
+AC_DEFUN_ONCE(AC_LIBREPLACE_BROKEN_CHECKS,
+[
+echo "LIBREPLACE_BROKEN_CHECKS: START"
+
+dnl find the libreplace sources. This is meant to work both for 
+dnl libreplace standalone builds, and builds of packages using libreplace
+libreplacedir=""
+libreplacepaths="$srcdir $srcdir/lib/replace $srcdir/libreplace $srcdir/../libreplace $srcdir/../replace $srcdir/../lib/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 $libreplacepaths])
+fi
+
+LIBREPLACEOBJ="replace.o"
+AC_SUBST(LIBREPLACEOBJ)
+
+LIBREPLACEOBJ="${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_FUNC_MEMCMP
+
+AC_CHECK_FUNCS(pipe strftime srandom random srand rand usleep setbuffer lstat getpgrp)
+
+AC_CHECK_HEADERS(stdbool.h stdint.h sys/select.h)
+AC_CHECK_HEADERS(setjmp.h)
+
+LIBREPLACE_PROVIDE_HEADER([stdint.h])
+LIBREPLACE_PROVIDE_HEADER([stdbool.h])
+
+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_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],libreplace_cv_HAVE_MMAP,[
+AC_TRY_RUN([#include "$libreplacedir/test/shared_mmap.c"],
+           libreplace_cv_HAVE_MMAP=yes,libreplace_cv_HAVE_MMAP=no,libreplace_cv_HAVE_MMAP=cross)])
+if test x"$libreplace_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/mount.h mntent.h)
+AC_CHECK_HEADERS(stropts.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 initgroups memmove strdup)
+AC_CHECK_FUNCS(pread pwrite strndup strcasestr strtok_r mkdtemp)
+AC_CHECK_FUNCS(isatty)
+AC_HAVE_DECL(setresuid, [#include <unistd.h>])
+AC_HAVE_DECL(setresgid, [#include <unistd.h>])
+AC_HAVE_DECL(errno, [#include <errno.h>])
+
+AC_CACHE_CHECK([for secure mkstemp],libreplace_cv_HAVE_SECURE_MKSTEMP,[
+AC_TRY_RUN([#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+main() { 
+  struct stat st;
+  char tpl[20]="/tmp/test.XXXXXX"; 
+  int fd = mkstemp(tpl); 
+  if (fd == -1) exit(1);
+  unlink(tpl);
+  if (fstat(fd, &st) != 0) exit(1);
+  if ((st.st_mode & 0777) != 0600) exit(1);
+  exit(0);
+}],
+libreplace_cv_HAVE_SECURE_MKSTEMP=yes,
+libreplace_cv_HAVE_SECURE_MKSTEMP=no,
+libreplace_cv_HAVE_SECURE_MKSTEMP=cross)])
+if test x"$libreplace_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
+    AC_DEFINE(HAVE_SECURE_MKSTEMP,1,[Whether mkstemp is secure])
+fi
+
+dnl Provided by snprintf.c:
+AC_CHECK_HEADERS(stdio.h strings.h)
+AC_CHECK_DECLS([snprintf, vsnprintf, asprintf, vasprintf])
+AC_CHECK_FUNCS(snprintf vsnprintf asprintf vasprintf)
+
+AC_CACHE_CHECK([for C99 vsnprintf],libreplace_cv_HAVE_C99_VSNPRINTF,[
+AC_TRY_RUN([
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+void foo(const char *format, ...) { 
+       va_list ap;
+       int len;
+       char buf[20];
+       long long l = 1234567890;
+       l *= 100;
+
+       va_start(ap, format);
+       len = vsnprintf(buf, 0, format, ap);
+       va_end(ap);
+       if (len != 5) exit(1);
+
+       va_start(ap, format);
+       len = vsnprintf(0, 0, format, ap);
+       va_end(ap);
+       if (len != 5) exit(2);
+
+       if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(3);
+
+       if (snprintf(buf, 20, "%lld", l) != 12 || strcmp(buf, "123456789000") != 0) exit(4);
+       if (snprintf(buf, 20, "%zu", 123456789) != 9 || strcmp(buf, "123456789") != 0) exit(5);
+       if (snprintf(buf, 20, "%2\$d %1\$d", 3, 4) != 3 || strcmp(buf, "4 3") != 0) exit(6);
+       if (snprintf(buf, 20, "%s", 0) < 3) exit(7);
+
+       exit(0);
+}
+main() { foo("hello"); }
+],
+libreplace_cv_HAVE_C99_VSNPRINTF=yes,libreplace_cv_HAVE_C99_VSNPRINTF=no,libreplace_cv_HAVE_C99_VSNPRINTF=cross)])
+if test x"$libreplace_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
+    AC_DEFINE(HAVE_C99_VSNPRINTF,1,[Whether there is a C99 compliant vsnprintf])
+fi
+
+
+dnl VA_COPY
+AC_CACHE_CHECK([for va_copy],libreplace_cv_HAVE_VA_COPY,[
+AC_TRY_LINK([#include <stdarg.h>
+va_list ap1,ap2;], [va_copy(ap1,ap2);],
+libreplace_cv_HAVE_VA_COPY=yes,libreplace_cv_HAVE_VA_COPY=no)])
+if test x"$libreplace_cv_HAVE_VA_COPY" = x"yes"; then
+    AC_DEFINE(HAVE_VA_COPY,1,[Whether va_copy() is available])
+fi
+
+if test x"$libreplace_cv_HAVE_VA_COPY" != x"yes"; then
+AC_CACHE_CHECK([for __va_copy],libreplace_cv_HAVE___VA_COPY,[
+AC_TRY_LINK([#include <stdarg.h>
+va_list ap1,ap2;], [__va_copy(ap1,ap2);],
+libreplace_cv_HAVE___VA_COPY=yes,libreplace_cv_HAVE___VA_COPY=no)])
+if test x"$libreplace_cv_HAVE___VA_COPY" = x"yes"; then
+    AC_DEFINE(HAVE___VA_COPY,1,[Whether __va_copy() is available])
+fi
+fi
+
+dnl __FUNCTION__ macro
+AC_CACHE_CHECK([for __FUNCTION__ macro],libreplace_cv_HAVE_FUNCTION_MACRO,[
+AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);],
+libreplace_cv_HAVE_FUNCTION_MACRO=yes,libreplace_cv_HAVE_FUNCTION_MACRO=no)])
+if test x"$libreplace_cv_HAVE_FUNCTION_MACRO" = x"yes"; then
+    AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro])
+else
+    dnl __func__ macro
+    AC_CACHE_CHECK([for __func__ macro],libreplace_cv_HAVE_func_MACRO,[
+    AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __func__);],
+    libreplace_cv_HAVE_func_MACRO=yes,libreplace_cv_HAVE_func_MACRO=no)])
+    if test x"$libreplace_cv_HAVE_func_MACRO" = x"yes"; then
+       AC_DEFINE(HAVE_func_MACRO,1,[Whether there is a __func__ macro])
+    fi
+fi
+
+AC_CHECK_HEADERS([sys/param.h limits.h])
+
+AC_CHECK_TYPE(comparison_fn_t, 
+[AC_DEFINE(HAVE_COMPARISON_FN_T, 1,[Whether or not we have comparison_fn_t])])
+
+AC_HAVE_DECL(setenv, [#include <stdlib.h>])
+AC_CHECK_FUNCS(setenv unsetenv)
+
+AC_CHECK_FUNCS(strnlen)
+AC_CHECK_FUNCS(strtoull __strtoull strtouq strtoll __strtoll strtoq)
+
+# this test disabled as we don't actually need __VA_ARGS__ yet
+AC_TRY_CPP([
+#define eprintf(...) fprintf(stderr, __VA_ARGS__)
+eprintf("bla", "bar");
+], AC_DEFINE(HAVE__VA_ARGS__MACRO, 1, [Whether the __VA_ARGS__ macro is available]))
+
+
+AC_CACHE_CHECK([for sig_atomic_t type],libreplace_cv_sig_atomic_t, [
+    AC_TRY_COMPILE([
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+#include <signal.h>],[sig_atomic_t i = 0],
+	libreplace_cv_sig_atomic_t=yes,libreplace_cv_sig_atomic_t=no)])
+if test x"$libreplace_cv_sig_atomic_t" = x"yes"; then
+   AC_DEFINE(HAVE_SIG_ATOMIC_T_TYPE,1,[Whether we have the atomic_t variable type])
+fi
+
+
+AC_CACHE_CHECK([for O_DIRECT flag to open(2)],libreplace_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);],
+libreplace_cv_HAVE_OPEN_O_DIRECT=yes,libreplace_cv_HAVE_OPEN_O_DIRECT=no)])
+if test x"$libreplace_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then
+    AC_DEFINE(HAVE_OPEN_O_DIRECT,1,[Whether the open(2) accepts O_DIRECT])
+fi
+
+
+dnl Check if the C compiler understands volatile (it should, being ANSI).
+AC_CACHE_CHECK([that the C compiler understands volatile],libreplace_cv_volatile, [
+	AC_TRY_COMPILE([#include <sys/types.h>],[volatile int i = 0],
+		libreplace_cv_volatile=yes,libreplace_cv_volatile=no)])
+if test x"$libreplace_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(strptime.m4)
+m4_include(win32.m4)
+m4_include(timegm.m4)
+m4_include(repdir.m4)
+
+AC_CHECK_FUNCS([syslog printf memset 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
+CFLAGS="$CFLAGS -I$libreplacedir"
+])
+
+m4_include(libreplace_cc.m4)
+m4_include(libreplace_ld.m4)
+m4_include(libreplace_network.m4)
+m4_include(libreplace_macros.m4)
+
+m4_ifndef([AC_USE_SYSTEM_EXTENSIONS],[m4_include(autoconf-2.60.m4)])