pgl_* entry points

Author: pmp-p

configure

@@ -4322,7 +4322,7 @@ else
   ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
-   CFLAGS="-g"
+   CFLAGS="-g2"
    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -4353,7 +4353,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 else
   ac_c_werror_flag=$ac_save_c_werror_flag
-	 CFLAGS="-g"
+	 CFLAGS="-g2"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -4381,13 +4381,13 @@ if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
   if test "$GCC" = yes; then
-    CFLAGS="-g -O2"
+    CFLAGS="-g2 -Os"
   else
-    CFLAGS="-g"
+    CFLAGS="-g2"
   fi
 else
   if test "$GCC" = yes; then
-    CFLAGS="-O2"
+    CFLAGS="-Os"
   else
     CFLAGS=
   fi
@@ -4853,7 +4853,7 @@ else
   ac_save_cxx_werror_flag=$ac_cxx_werror_flag
    ac_cxx_werror_flag=yes
    ac_cv_prog_cxx_g=no
-   CXXFLAGS="-g"
+   CXXFLAGS="-g2"
    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -4884,7 +4884,7 @@ if ac_fn_cxx_try_compile "$LINENO"; then :
 
 else
   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
-	 CXXFLAGS="-g"
+	 CXXFLAGS="-g2"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -4912,13 +4912,13 @@ if test "$ac_test_CXXFLAGS" = set; then
   CXXFLAGS=$ac_save_CXXFLAGS
 elif test $ac_cv_prog_cxx_g = yes; then
   if test "$GXX" = yes; then
-    CXXFLAGS="-g -O2"
+    CXXFLAGS="-g2 -Os"
   else
-    CXXFLAGS="-g"
+    CXXFLAGS="-g2"
   fi
 else
   if test "$GXX" = yes; then
-    CXXFLAGS="-O2"
+    CXXFLAGS="-Os"
   else
     CXXFLAGS=
   fi
@@ -5278,11 +5278,11 @@ elif test "${CFLAGS+set}" = set; then
 elif test "$enable_coverage" = yes; then
   : # no optimization by default
 elif test "$GCC" = yes; then
-  CFLAGS="-O2"
+  CFLAGS="-Os"
 else
   # if the user selected debug mode, don't use -O
   if test "$enable_debug" != yes; then
-    CFLAGS="-O"
+    CFLAGS="-Os"
   fi
 fi
 
@@ -5293,11 +5293,11 @@ elif test "${CXXFLAGS+set}" = set; then
 elif test "$enable_coverage" = yes; then
   : # no optimization by default
 elif test "$GCC" = yes; then
-  CXXFLAGS="-O2"
+  CXXFLAGS="-Os"
 else
   # if the user selected debug mode, don't use -O
   if test "$enable_debug" != yes; then
-    CXXFLAGS="-O"
+    CXXFLAGS="-Os"
   fi
 fi
 
@@ -5310,12 +5310,12 @@ fi
 if test "$ac_env_BITCODE_CFLAGS_set" = set; then
   BITCODE_CFLAGS=$ac_env_BITCODE_CFLAGS_value
 else
-  BITCODE_CFLAGS="-O2 $BITCODE_CFLAGS"
+  BITCODE_CFLAGS="-Os $BITCODE_CFLAGS"
 fi
 if test "$ac_env_BITCODE_CXXFLAGS_set" = set; then
   BITCODE_CXXFLAGS=$ac_env_BITCODE_CXXFLAGS_value
 else
-  BITCODE_CXXFLAGS="-O2 $BITCODE_CXXFLAGS"
+  BITCODE_CXXFLAGS="-Os $BITCODE_CXXFLAGS"
 fi
 
 # C[XX]FLAGS we determined above will be added back at the end
@@ -7826,11 +7826,11 @@ fi
 
 # supply -g if --enable-debug
 if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
-  CFLAGS="$CFLAGS -g"
+  CFLAGS="$CFLAGS -g2"
 fi
 
 if test "$enable_debug" = yes && test "$ac_cv_prog_cxx_g" = yes; then
-  CXXFLAGS="$CXXFLAGS -g"
+  CXXFLAGS="$CXXFLAGS -g2"
 fi
 
 # enable code coverage if --enable-coverage
@@ -13588,7 +13588,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char uuid_export ();
+extern char uuid_export ();
 int
 main ()
 {
@@ -13650,7 +13650,7 @@ $as_echo "$ac_cv_lib_uuid_uuid_export" >&6; }
 if test "x$ac_cv_lib_uuid_uuid_export" = xyes; then :
   UUID_LIBS="-luuid"
 else
-  as_fn_error $? "library 'ossp-uuid' or 'uuid' is required for OSSP UUID" "$LINENO" 5
+  ac_cv_lib_ossp_uuid_uuid_export=yes
 fi
 
 fi

src/Makefile.shlib

@@ -233,6 +233,33 @@ ifeq ($(SHLIB_EXPORTS),)
   override CXXFLAGS += $(CXXFLAGS_SL_MODULE)
 endif
 
+ifeq ($(PORTNAME), emscripten)
+  LINK.shared       = emsdk-shared
+  ifdef soname
+    # emscripten uses unversioned shared libraries
+    shlib     = $(shlib_bare)
+    soname        = $(shlib_bare)
+  endif
+  BUILD.exports     = ( echo '{ global:'; $(AWK) '/^[^\#]/ {printf "%s;\n",$$1}' $<; echo ' local: *; };' ) >$@
+  exports_file      = $(SHLIB_EXPORTS:%.txt=%.list)
+#  ifneq (,$(exports_file))
+#    LINK.shared     += -Wl,--version-script=$(exports_file)
+#  endif
+endif
+
+ifeq ($(PORTNAME), wasi)
+  LINK.shared       = wasi-shared
+  ifdef soname
+    # emscripten uses unversioned shared libraries
+    shlib     = $(shlib_bare)
+    soname        = $(shlib_bare)
+  endif
+  BUILD.exports     = ( echo '{ global:'; $(AWK) '/^[^\#]/ {printf "%s;\n",$$1}' $<; echo ' local: *; };' ) >$@
+  exports_file      = $(SHLIB_EXPORTS:%.txt=%.list)
+#  ifneq (,$(exports_file))
+#    LINK.shared     += -Wl,--version-script=$(exports_file)
+#  endif
+endif
 
 ##
 ## BUILD
@@ -248,8 +275,11 @@ all-lib: lib$(NAME).pc
 endif
 
 all-static-lib: $(stlib)
-
+ifdef wasi
+all-shared-lib: all-static-lib
+else
 all-shared-lib: $(shlib)
+endif
 
 # In this rule, "touch $@" works around a problem on some platforms wherein
 # ar updates the library file's mod time with a value calculated to

src/backend/commands/async.c

@@ -1700,8 +1700,12 @@ SignalBackends(void)
 		 * NotifyQueueLock; which is unlikely but certainly possible. So we
 		 * just log a low-level debug message if it happens.
 		 */
+#if defined(__EMSCRIPTEN__)
+        HandleNotifyInterrupt();
+#else
 		if (SendProcSignal(pid, PROCSIG_NOTIFY_INTERRUPT, ids[i]) < 0)
 			elog(DEBUG3, "could not signal backend with PID %d: %m", pid);
+#endif
 	}
 
 	pfree(pids);