Merge topic 'libuv-bootstrap'

714ce728 bootstrap: Make libuv available during bootstrap
6a2d967d bootstrap: Require compiler mode aware of C99 on Solaris

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1131

10 files changed, 317 insertions, 14 deletions

diff --git a/Source/cmakemain.cxx b/Source/cmakemain.cxx
index 09dcb6d..219a658 100644
--- a/Source/cmakemain.cxx
+++ b/Source/cmakemain.cxx
@@ -14,12 +14,13 @@
 #ifdef CMAKE_BUILD_WITH_CMAKE
 #include "cmDocumentation.h"
 #include "cmDynamicLoader.h"
+#endif
+
 #ifdef _WIN32
 #include <fcntl.h>  /* _O_TEXT */
 #include <stdlib.h> /* _set_fmode, _fmode */
 #endif
 #include "cm_uv.h"
-#endif
 
 #include "cmsys/Encoding.hxx"
 #if defined(_WIN32) && defined(CMAKE_BUILD_WITH_CMAKE)
@@ -167,7 +168,7 @@ int main(int ac, char const* const* av)
   ac = args.argc();
   av = args.argv();
 
-#if defined(CMAKE_BUILD_WITH_CMAKE) && defined(_WIN32)
+#if defined(_WIN32)
   // Perform libuv one-time initialization now, and then un-do its
   // global _fmode setting so that using libuv does not change the
   // default file text/binary mode.  See libuv issue 840.
@@ -192,8 +193,8 @@ int main(int ac, char const* const* av)
   int ret = do_cmake(ac, av);
 #ifdef CMAKE_BUILD_WITH_CMAKE
   cmDynamicLoader::FlushCache();
-  uv_loop_close(uv_default_loop());
 #endif
+  uv_loop_close(uv_default_loop());
   return ret;
 }
 
diff --git a/Utilities/cmlibuv/include/uv-unix.h b/Utilities/cmlibuv/include/uv-unix.h
index d775450..ff59bcb 100644
--- a/Utilities/cmlibuv/include/uv-unix.h
+++ b/Utilities/cmlibuv/include/uv-unix.h
@@ -44,7 +44,9 @@
 
 #include "uv-threadpool.h"
 
-#if defined(__linux__)
+#ifdef CMAKE_BOOTSTRAP
+# include "uv-posix.h"
+#elif defined(__linux__)
 # include "uv-linux.h"
 #elif defined (__MVS__)
 # include "uv-os390.h"
@@ -124,6 +126,17 @@ typedef int uv_file;
 typedef int uv_os_sock_t;
 typedef int uv_os_fd_t;
 
+#ifdef CMAKE_BOOTSTRAP
+#define UV_ONCE_INIT 0
+typedef int uv_once_t;
+typedef int uv_thread_t;
+typedef int uv_mutex_t;
+typedef int uv_rwlock_t;
+typedef int uv_sem_t;
+typedef int uv_cond_t;
+typedef int uv_key_t;
+typedef int uv_barrier_t;
+#else
 #define UV_ONCE_INIT PTHREAD_ONCE_INIT
 
 typedef pthread_once_t uv_once_t;
@@ -134,6 +147,7 @@ typedef UV_PLATFORM_SEM_T uv_sem_t;
 typedef pthread_cond_t uv_cond_t;
 typedef pthread_key_t uv_key_t;
 typedef pthread_barrier_t uv_barrier_t;
+#endif
 
 
 /* Platform-specific definitions for uv_spawn support. */
diff --git a/Utilities/cmlibuv/src/unix/cmake-bootstrap.c b/Utilities/cmlibuv/src/unix/cmake-bootstrap.c
new file mode 100644
index 0000000..4f32d03
--- /dev/null
+++ b/Utilities/cmlibuv/src/unix/cmake-bootstrap.c
@@ -0,0 +1,139 @@
+#include "uv.h"
+#include "internal.h"
+
+int uv__tcp_nodelay(int fd, int on) {
+  errno = EINVAL;
+  return -1;
+}
+
+int uv__tcp_keepalive(int fd, int on, unsigned int delay) {
+  errno = EINVAL;
+  return -1;
+}
+
+int uv_tcp_listen(uv_tcp_t* tcp, int backlog, uv_connection_cb cb) {
+  return -EINVAL;
+}
+
+int uv_udp_open(uv_udp_t* handle, uv_os_sock_t sock) {
+  return -EINVAL;
+}
+
+void uv__tcp_close(uv_tcp_t* handle) {
+}
+
+void uv__udp_close(uv_udp_t* handle) {
+}
+
+void uv__udp_finish_close(uv_udp_t* handle) {
+}
+
+void uv__fs_poll_close(uv_fs_poll_t* handle) {
+}
+
+int uv_async_init(uv_loop_t* loop, uv_async_t* handle, uv_async_cb async_cb) {
+  return 0;
+}
+
+void uv__async_close(uv_async_t* handle) {
+}
+
+int uv__async_fork(uv_loop_t* loop) {
+  return 0;
+}
+
+void uv__async_stop(uv_loop_t* loop) {
+}
+
+void uv__work_submit(uv_loop_t* loop, struct uv__work* w,
+                     void (*work)(struct uv__work* w),
+                     void (*done)(struct uv__work* w, int status)) {
+  abort();
+}
+
+void uv__work_done(uv_async_t* handle) {
+}
+
+int uv__pthread_atfork(void (*prepare)(void), void (*parent)(void),
+                       void (*child)(void)) {
+  return 0;
+}
+
+int uv__pthread_sigmask(int how, const sigset_t* set, sigset_t* oset) {
+  return 0;
+}
+
+int uv_mutex_init(uv_mutex_t* mutex) {
+  return 0;
+}
+
+void uv_mutex_destroy(uv_mutex_t* mutex) {
+}
+
+void uv_mutex_lock(uv_mutex_t* mutex) {
+}
+
+void uv_mutex_unlock(uv_mutex_t* mutex) {
+}
+
+int uv_rwlock_init(uv_rwlock_t* rwlock) {
+  return 0;
+}
+
+void uv_rwlock_destroy(uv_rwlock_t* rwlock) {
+}
+
+void uv_rwlock_wrlock(uv_rwlock_t* rwlock) {
+}
+
+void uv_rwlock_wrunlock(uv_rwlock_t* rwlock) {
+}
+
+void uv_rwlock_rdlock(uv_rwlock_t* rwlock) {
+}
+
+void uv_rwlock_rdunlock(uv_rwlock_t* rwlock) {
+}
+
+void uv_once(uv_once_t* guard, void (*callback)(void)) {
+  if (*guard) {
+    return;
+  }
+  *guard = 1;
+  callback();
+}
+
+#if defined(__linux__)
+int uv__accept4(int fd, struct sockaddr* addr, socklen_t* addrlen, int flags) {
+  errno = ENOSYS;
+  return -1;
+}
+
+int uv__dup3(int oldfd, int newfd, int flags) {
+  errno = ENOSYS;
+  return -1;
+}
+
+int uv__pipe2(int pipefd[2], int flags) {
+  errno = ENOSYS;
+  return -1;
+}
+
+ssize_t uv__preadv(int fd, const struct iovec *iov, int iovcnt,
+                   int64_t offset) {
+  errno = ENOSYS;
+  return -1;
+}
+
+ssize_t uv__pwritev(int fd, const struct iovec *iov, int iovcnt,
+                    int64_t offset) {
+  errno = ENOSYS;
+  return -1;
+}
+
+int uv__utimesat(int dirfd, const char* path, const struct timespec times[2],
+                 int flags) {
+  errno = ENOSYS;
+  return -1;
+}
+#endif
diff --git a/Utilities/cmlibuv/src/unix/fs.c b/Utilities/cmlibuv/src/unix/fs.c
index 8a4ba7a..82c91ef 100644
--- a/Utilities/cmlibuv/src/unix/fs.c
+++ b/Utilities/cmlibuv/src/unix/fs.c
@@ -244,7 +244,7 @@ skip:
 #endif
 }
 
-#if defined(__sun) && _XOPEN_SOURCE < 600
+#if defined(__sun) && (_XOPEN_SOURCE < 600 || defined(CMAKE_BOOTSTRAP))
 static char* uv__mkdtemp(char *template)
 {
   if (!mktemp(template) || mkdir(template, 0700))
diff --git a/Utilities/cmlibuv/src/unix/internal.h b/Utilities/cmlibuv/src/unix/internal.h
index 2e3afa6..e9f7908 100644
--- a/Utilities/cmlibuv/src/unix/internal.h
+++ b/Utilities/cmlibuv/src/unix/internal.h
@@ -59,7 +59,17 @@
 # include <AvailabilityMacros.h>
 #endif
 
-#if defined(__ANDROID__)
+#if defined(CMAKE_BOOTSTRAP)
+# undef pthread_atfork
+# define pthread_atfork(prepare, parent, child) \
+     uv__pthread_atfork(prepare, parent, child)
+int uv__pthread_atfork(void (*prepare)(void), void (*parent)(void),
+                       void (*child)(void));
+# undef pthread_sigmask
+# define pthread_sigmask(how, set, oldset) \
+     uv__pthread_sigmask(how, set, oldset)
+int uv__pthread_sigmask(int how, const sigset_t* set, sigset_t* oset);
+#elif defined(__ANDROID__)
 int uv__pthread_sigmask(int how, const sigset_t* set, sigset_t* oset);
 # ifdef pthread_sigmask
 # undef pthread_sigmask
@@ -261,7 +271,7 @@ FILE* uv__open_file(const char* path);
 int uv__getpwuid_r(uv_passwd_t* pwd);
 
 
-#if defined(__APPLE__)
+#if defined(__APPLE__) && !defined(CMAKE_BOOTSTRAP)
 int uv___stream_fd(const uv_stream_t* handle);
 #define uv__stream_fd(handle) (uv___stream_fd((const uv_stream_t*) (handle)))
 #else
diff --git a/Utilities/cmlibuv/src/unix/pipe.c b/Utilities/cmlibuv/src/unix/pipe.c
index 7ba1bf8..e3d436d 100644
--- a/Utilities/cmlibuv/src/unix/pipe.c
+++ b/Utilities/cmlibuv/src/unix/pipe.c
@@ -136,7 +136,7 @@ int uv_pipe_open(uv_pipe_t* handle, uv_file fd) {
   if (err)
     return err;
 
-#if defined(__APPLE__)
+#if defined(__APPLE__) && !defined(CMAKE_BOOTSTRAP)
   err = uv__stream_try_select((uv_stream_t*) handle, &fd);
   if (err)
     return err;
diff --git a/Utilities/cmlibuv/src/unix/posix-hrtime.c b/Utilities/cmlibuv/src/unix/posix-hrtime.c
index 323dfc2..a264250 100644
--- a/Utilities/cmlibuv/src/unix/posix-hrtime.c
+++ b/Utilities/cmlibuv/src/unix/posix-hrtime.c
@@ -22,6 +22,29 @@
 #include "uv.h"
 #include "internal.h"
 
+#if defined(__APPLE__)
+/* Special case for CMake bootstrap: no clock_gettime on macOS < 10.12 */
+
+#ifndef CMAKE_BOOTSTRAP
+#error "This code path meant only for use during CMake bootstrap."
+#endif
+
+#include <mach/mach.h>
+#include <mach/mach_time.h>
+
+uint64_t uv__hrtime(uv_clocktype_t type) {
+  static mach_timebase_info_data_t info;
+
+  if ((ACCESS_ONCE(uint32_t, info.numer) == 0 ||
+       ACCESS_ONCE(uint32_t, info.denom) == 0) &&
+      mach_timebase_info(&info) != KERN_SUCCESS)
+    abort();
+
+  return mach_absolute_time() * info.numer / info.denom;
+}
+
+#else
+
 #include <stdint.h>
 #include <time.h>
 
@@ -33,3 +56,5 @@ uint64_t uv__hrtime(uv_clocktype_t type) {
   clock_gettime(CLOCK_MONOTONIC, &ts);
   return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec);
 }
+
+#endif
diff --git a/Utilities/cmlibuv/src/unix/stream.c b/Utilities/cmlibuv/src/unix/stream.c
index 7b23d16..3857bc8 100644
--- a/Utilities/cmlibuv/src/unix/stream.c
+++ b/Utilities/cmlibuv/src/unix/stream.c
@@ -98,7 +98,7 @@ void uv__stream_init(uv_loop_t* loop,
       loop->emfile_fd = err;
   }
 
-#if defined(__APPLE__)
+#if defined(__APPLE__) && !defined(CMAKE_BOOTSTRAP)
   stream->select = NULL;
 #endif /* defined(__APPLE_) */
 
@@ -107,7 +107,7 @@ void uv__stream_init(uv_loop_t* loop,
 
 
 static void uv__stream_osx_interrupt_select(uv_stream_t* stream) {
-#if defined(__APPLE__)
+#if defined(__APPLE__) && !defined(CMAKE_BOOTSTRAP)
   /* Notify select() thread about state change */
   uv__stream_select_t* s;
   int r;
@@ -131,7 +131,7 @@ static void uv__stream_osx_interrupt_select(uv_stream_t* stream) {
 }
 
 
-#if defined(__APPLE__)
+#if defined(__APPLE__) && !defined(CMAKE_BOOTSTRAP)
 static void uv__stream_osx_select(void* arg) {
   uv_stream_t* stream;
   uv__stream_select_t* s;
@@ -1598,7 +1598,7 @@ int uv_is_writable(const uv_stream_t* stream) {
 }
 
 
-#if defined(__APPLE__)
+#if defined(__APPLE__) && !defined(CMAKE_BOOTSTRAP)
 int uv___stream_fd(const uv_stream_t* handle) {
   const uv__stream_select_t* s;
 
@@ -1619,7 +1619,7 @@ void uv__stream_close(uv_stream_t* handle) {
   unsigned int i;
   uv__stream_queued_fds_t* queued_fds;
 
-#if defined(__APPLE__)
+#if defined(__APPLE__) && !defined(CMAKE_BOOTSTRAP)
   /* Terminate select loop first */
   if (handle->select != NULL) {
     uv__stream_select_t* s;
diff --git a/Utilities/cmlibuv/src/uv-common.c b/Utilities/cmlibuv/src/uv-common.c
index bc7d137..fcb910f 100644
--- a/Utilities/cmlibuv/src/uv-common.c
+++ b/Utilities/cmlibuv/src/uv-common.c
@@ -175,6 +175,7 @@ const char* uv_strerror(int err) {
 }
 #undef UV_STRERROR_GEN
 
+#if !defined(CMAKE_BOOTSTRAP) || defined(_WIN32)
 
 int uv_ip4_addr(const char* ip, int port, struct sockaddr_in* addr) {
   memset(addr, 0, sizeof(*addr));
@@ -343,6 +344,7 @@ int uv_udp_recv_stop(uv_udp_t* handle) {
     return uv__udp_recv_stop(handle);
 }
 
+#endif
 
 void uv_walk(uv_loop_t* loop, uv_walk_cb walk_cb, void* arg) {
   QUEUE queue;
diff --git a/bootstrap b/bootstrap
index d066bc9..f7f45cf 100755
--- a/bootstrap
+++ b/bootstrap
@@ -480,6 +480,59 @@ KWSYS_FILES="\
   SystemTools.hxx \
   Terminal.h"
 
+if ${cmake_system_mingw}; then
+  LIBUV_C_SOURCES="\
+    src/fs-poll.c \
+    src/inet.c \
+    src/threadpool.c \
+    src/uv-common.c \
+    src/win/async.c \
+    src/win/core.c \
+    src/win/detect-wakeup.c \
+    src/win/dl.c \
+    src/win/error.c \
+    src/win/fs-event.c \
+    src/win/fs.c \
+    src/win/getaddrinfo.c \
+    src/win/getnameinfo.c \
+    src/win/handle.c \
+    src/win/loop-watcher.c \
+    src/win/pipe.c \
+    src/win/poll.c \
+    src/win/process-stdio.c \
+    src/win/process.c \
+    src/win/req.c \
+    src/win/signal.c \
+    src/win/stream.c \
+    src/win/tcp.c \
+    src/win/thread.c \
+    src/win/timer.c \
+    src/win/tty.c \
+    src/win/udp.c \
+    src/win/util.c \
+    src/win/winapi.c \
+    src/win/winsock.c \
+    "
+else
+  LIBUV_C_SOURCES="\
+    src/uv-common.c \
+    src/unix/cmake-bootstrap.c \
+    src/unix/core.c \
+    src/unix/fs.c \
+    src/unix/loop.c \
+    src/unix/loop-watcher.c \
+    src/unix/no-fsevents.c \
+    src/unix/pipe.c \
+    src/unix/poll.c \
+    src/unix/posix-hrtime.c \
+    src/unix/posix-poll.c \
+    src/unix/process.c \
+    src/unix/signal.c \
+    src/unix/stream.c \
+    src/unix/timer.c \
+    "
+fi
+
 # Display CMake bootstrap usage
 cmake_usage()
 {
@@ -641,6 +694,12 @@ cmake_escape ()
   echo $1 | sed "s/ /\\\\ /g"
 }
 
+# Encode object file names.
+cmake_obj ()
+{
+  echo $1 | sed 's/\//-/g' | sed 's/$/\.o/'
+}
+
 # Strip prefix from argument
 cmake_arg ()
 {
@@ -941,6 +1000,10 @@ echo '
 # error "The CMAKE_C_COMPILER is set to a C++ compiler"
 #endif
 
+#if defined(__sun) && __STDC_VERSION__ < 199901L
+#error "On Solaris we need C99."
+#endif
+
 #include <stdio.h>
 
 int main(int argc, char* argv[])
@@ -1180,6 +1243,8 @@ cmake_compiler_settings_comment="/*
  * ${LexerParser_CXX_SOURCES} ${LexerParser_C_SOURCES}
  * kwSys Sources:
  * ${KWSYS_CXX_SOURCES} ${KWSYS_C_SOURCES}
+ * libuv Sources:
+ * ${LIBUV_C_SOURCES}
  */
 "
 
@@ -1241,6 +1306,48 @@ objs=""
 for a in ${CMAKE_CXX_SOURCES} ${CMAKE_C_SOURCES} ${LexerParser_CXX_SOURCES} ${LexerParser_C_SOURCES} ${KWSYS_CXX_SOURCES} ${KWSYS_C_SOURCES}; do
   objs="${objs} ${a}.o"
 done
+for a in ${LIBUV_C_SOURCES}; do
+  objs="${objs} uv-`cmake_obj ${a}`"
+done
+
+libs=""
+
+uv_c_flags=""
+if ${cmake_system_mingw}; then
+  uv_c_flags="${uv_c_flags} -DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0600"
+  libs="${libs} -lws2_32 -lpsapi -liphlpapi -lshell32 -luserenv"
+else
+  uv_c_flags="${uv_c_flags} -DCMAKE_BOOTSTRAP"
+  case "${cmake_system}" in
+    *AIX*)
+      uv_c_flags="${uv_c_flags} -D_ALL_SOURCE -D_XOPEN_SOURCE=500 -D_LINUX_SOURCE_COMPAT -D_THREAD_SAFE"
+      libs="${libs} -lperfstat"
+      ;;
+    *Darwin*)
+      uv_c_flags="${uv_c_flags} -D_DARWIN_USE_64_BIT_INODE=1 -D_DARWIN_UNLIMITED_SELECT=1"
+      ;;
+    *Linux*)
+      uv_c_flags="${uv_c_flags} -D_GNU_SOURCE"
+      libs="${libs} -ldl -lrt"
+      ;;
+    *BSD*)
+      libs="${libs} -lkvm"
+      ;;
+    *SunOS*)
+      # Normally libuv uses '-D_XOPEN_SOURCE=500 -std=c90' on Solaris 5.10,
+      # but we do not need to do that because we bootstrap using POSIX APIs.
+      uv_c_flags="${uv_c_flags} -D__EXTENSIONS__ -D_XOPEN_SOURCE=600"
+      libs="${libs} -lkstat -lnsl -lsendfile -lsocket -lrt"
+      ;;
+  esac
+fi
+uv_c_flags="${uv_c_flags} `cmake_escape "-I${cmake_source_dir}/Utilities/cmlibuv/include"`"
+if ${cmake_system_mingw}; then
+  uv_c_flags="${uv_c_flags} `cmake_escape "-I${cmake_source_dir}/Utilities/cmlibuv/src/win"`"
+else
+  uv_c_flags="${uv_c_flags} `cmake_escape "-I${cmake_source_dir}/Utilities/cmlibuv/src/unix"`"
+fi
+uv_c_flags="${uv_c_flags} `cmake_escape "-I${cmake_source_dir}/Utilities/cmlibuv/src"`"
 
 if [ "x${cmake_ansi_cxx_flags}" != "x" ]; then
   cmake_cxx_flags="${cmake_ansi_cxx_flags} ${cmake_cxx_flags}"
@@ -1278,7 +1385,7 @@ cmake_cxx_flags="${cmake_cxx_flags} \
   -I`cmake_escape \"${cmake_source_dir}/Source/LexerParser\"` \
   -I`cmake_escape \"${cmake_source_dir}/Utilities\"`"
 echo "cmake: ${objs}" > "${cmake_bootstrap_dir}/Makefile"
-echo "	${cmake_cxx_compiler} ${cmake_ld_flags} ${cmake_cxx_flags} ${objs} -o cmake" >> "${cmake_bootstrap_dir}/Makefile"
+echo "	${cmake_cxx_compiler} ${cmake_ld_flags} ${cmake_cxx_flags} ${objs} ${libs} -o cmake" >> "${cmake_bootstrap_dir}/Makefile"
 for a in ${CMAKE_CXX_SOURCES}; do
   src=`cmake_escape "${cmake_source_dir}/Source/${a}.cxx"`
   src_flags=`eval echo \\${cmake_cxx_flags_\${a}}`
@@ -1313,6 +1420,11 @@ for a in ${KWSYS_CXX_SOURCES}; do
   echo "${a}.o : ${src} ${dep}" >> "${cmake_bootstrap_dir}/Makefile"
   echo "	${cmake_cxx_compiler} ${cmake_cxx_flags} -DKWSYS_NAMESPACE=cmsys ${src_flags} -c ${src} -o ${a}.o" >> "${cmake_bootstrap_dir}/Makefile"
 done
+for a in ${LIBUV_C_SOURCES}; do
+  src=`cmake_escape "${cmake_source_dir}/Utilities/cmlibuv/${a}"`
+  echo "uv-`cmake_obj ${a}` : ${src} ${dep}" >> "${cmake_bootstrap_dir}/Makefile"
+  echo "	${cmake_c_compiler} ${cmake_c_flags} ${uv_c_flags} -c ${src} -o uv-`cmake_obj ${a}`" >> "${cmake_bootstrap_dir}/Makefile"
+done
 echo '
 rebuild_cache:
 	cd "${cmake_binary_dir}" && "${cmake_source_dir}/bootstrap"