Link with text codec plugins on mac and linux

Fixes [#10249](https://github.com/ariya/phantomjs/issues/10249)

src/main.cpp

@@ -42,9 +42,6 @@
 #include <QApplication>
 #include <QSslSocket>
 
-#ifdef Q_OS_WIN32
-using namespace google_breakpad;
-static google_breakpad::ExceptionHandler* eh;
 #if !defined(QT_SHARED) && !defined(QT_DLL)
 #include <QtPlugin>
 
@@ -52,6 +49,12 @@ Q_IMPORT_PLUGIN(qcncodecs)
 Q_IMPORT_PLUGIN(qjpcodecs)
 Q_IMPORT_PLUGIN(qkrcodecs)
 Q_IMPORT_PLUGIN(qtwcodecs)
+#endif
+
+#ifdef Q_OS_WIN32
+using namespace google_breakpad;
+static google_breakpad::ExceptionHandler* eh;
+#if !defined(QT_SHARED) && !defined(QT_DLL)
 Q_IMPORT_PLUGIN(qico)
 #endif
 #endif

src/phantomjs.pro

@@ -67,6 +67,12 @@ linux*|mac {
       breakpad/src/common/convert_UTF.c \
       breakpad/src/common/md5.cc \
       breakpad/src/common/string_conversion.cc 
+
+    QTPLUGIN += \
+        qcncodecs \
+        qjpcodecs \
+        qkrcodecs \
+        qtwcodecs
 }
 
 linux* {

src/qt/preconfig.sh

@@ -108,3 +108,8 @@ export MAKEFLAGS=-j$COMPILE_JOBS
 
 ./configure -prefix $PWD $QT_CFG
 make -j$COMPILE_JOBS
+
+# Build text codecs
+pushd src/plugins/codecs/
+make -j$COMPILE_JOBS
+popd