build: autoupdate

They are failing on our runners due to issues with dependency resolution.

.github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        flavor: [arch, debian, fedora, ubuntu]
+        flavor: [arch, debian, ubuntu]
 
     name: Linux
     steps:

configure.ac

@@ -1,6 +1,6 @@
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ([2.69])
+AC_PREREQ([2.72])
 AC_INIT([profanity],[0.15.0],[jubalh@iodoru.org],[profanity],[https://profanity-im.github.io/])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
@@ -95,7 +95,7 @@ PKG_CHECK_MODULES([curl], [libcurl >= 7.62.0], [],
 PKG_CHECK_MODULES([SQLITE], [sqlite3 >= 3.22.0], [],
     [AC_MSG_ERROR([sqlite3 3.22.0 or higher is required])])
 
-ACX_PTHREAD([], [AC_MSG_ERROR([pthread is required])])
+AX_PTHREAD([],[AC_MSG_ERROR([pthread is required])])
 AS_IF([test "x$PTHREAD_CC" != x], [ CC="$PTHREAD_CC" ])
 
 ### plugins

src/tools/editor.c

@@ -38,6 +38,7 @@
 #include <fcntl.h>
 #include <glib.h>
 #include <errno.h>
+#include <stdio.h> // necessary for readline
 #include <readline/readline.h>
 #include <sys/wait.h>
 #include <unistd.h>
@@ -71,7 +72,11 @@ editor_thread(void* arg)
     if (pid > 0) {
         task->pid = pid;
         int status;
+        // Unlock mutex to avoid deadlock on the main loop
+        pthread_mutex_unlock(&task->mutex);
         waitpid(pid, &status, 0);
+        pthread_mutex_lock(&task->mutex);
+
         gsize length;
         if (!g_file_get_contents(task->filename, &task->result, &length, &task->error)) {
             log_error("[Editor] could not read from %s: %s", task->filename,
@@ -165,6 +170,7 @@ get_message_from_editor_async(gchar* message)
 
     // Set background mode
     background_mode = TRUE;
+    log_debug("[Editor] Entering background mode");
 
     // Start editor thread
     if (pthread_create(&editor_task.thread, NULL, editor_thread, &editor_task) != 0) {
@@ -178,6 +184,7 @@ get_message_from_editor_async(gchar* message)
         editor_task.editor_cmd = NULL;
         pthread_mutex_unlock(&editor_task.mutex);
         background_mode = FALSE;
+        log_debug("[Editor] Exiting background mode");
         reset_prog_mode();
         doupdate();
         log_error("[Editor] Failed to create editor thread");
@@ -220,6 +227,7 @@ editor_process(ProfWin* window)
     }
     pthread_mutex_unlock(&editor_task.mutex);
     background_mode = FALSE;
+    log_debug("[Editor] Exiting background mode");
 }
 
 // Deprecated synchronous editor call. Returns a message as returned_message.