[vte] all: Fix the build without ICU

[Christian Persch <chpe src gnome org>]

commit 262c45090dc5557732337517422f7da9bf9069bb
Author: Christian Persch <chpe src gnome org>
Date:   Wed Apr 22 23:44:54 2020 +0200

    all: Fix the build without ICU

 src/decoder-cat.cc | 23 +++++++++++++++++++++--
 src/meson.build    |  6 +++++-
 src/vte.cc         |  4 ++++
 3 files changed, 30 insertions(+), 3 deletions(-)
---
diff --git a/src/decoder-cat.cc b/src/decoder-cat.cc
index c3bd83c5..d1d4fc1c 100644
--- a/src/decoder-cat.cc
+++ b/src/decoder-cat.cc
@@ -33,9 +33,12 @@
 
 #include "debug.h"
 #include "glib-glue.hh"
+#include "utf8.hh"
+
+#ifdef WITH_ICU
 #include "icu-decoder.hh"
 #include "icu-glue.hh"
-#include "utf8.hh"
+#endif
 
 using namespace std::literals;
 
@@ -228,6 +231,8 @@ public:
 
 }; // class Sink
 
+#ifdef WITH_ICU
+
 static std::unique_ptr<vte::base::ICUDecoder>
 make_decoder(Options const& options)
 {
@@ -261,6 +266,8 @@ make_decoder(Options const& options)
         return std::make_unique<vte::base::ICUDecoder>(converter, u32_converter);
 }
 
+#endif /* WITH_ICU */
+
 class Processor {
 private:
         gsize m_input_bytes{0};
@@ -329,6 +336,7 @@ private:
                 g_free(buf);
         }
 
+#ifdef WITH_ICU
         template<class Functor>
         void
         process_file_icu(int fd,
@@ -393,6 +401,7 @@ private:
 
                 g_free(buf);
         }
+#endif /* WITH_ICU */
 
         template<class Functor>
         bool
@@ -400,6 +409,7 @@ private:
                      Options const& options,
                      Functor& func)
         {
+#ifdef WITH_ICU
                 auto decoder = std::unique_ptr<vte::base::ICUDecoder>{};
                 if (options.charset()) {
                         decoder = make_decoder(options);
@@ -408,6 +418,7 @@ private:
                 }
 
                 assert(decoder != nullptr || options.charset() == nullptr);
+#endif
 
                 for (auto i = 0; i < options.repeat(); ++i) {
                         if (i > 0 && lseek(fd, 0, SEEK_SET) != 0) {
@@ -415,9 +426,12 @@ private:
                                 return false;
                         }
 
+#ifdef WITH_ICU
                         if (decoder) {
                                 process_file_icu(fd, decoder.get(), func);
-                        } else {
+                        } else
+#endif
+                        {
                                 process_file_utf8(fd, func);
                         }
                 }
@@ -526,12 +540,17 @@ main(int argc,
         }
 
         if (options.list()) {
+#ifdef WITH_ICU
                 auto charsets = vte::base::get_icu_charsets(true);
                 for (auto i = 0; charsets[i]; ++i)
                         g_print("%s\n", charsets[i]);
                 g_strfreev(charsets);
 
                 return EXIT_SUCCESS;
+#else
+                g_printerr("ICU support not available.\n");
+                return EXIT_FAILURE;
+#endif
         }
 
         auto rv = bool{};
diff --git a/src/meson.build b/src/meson.build
index 447e96df..2802aa8b 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -254,10 +254,14 @@ endif
 
 # decoder cat
 
-decoder_cat_sources = glib_glue_sources + icu_sources + utf8_sources + debug_sources + files(
+decoder_cat_sources = glib_glue_sources + utf8_sources + debug_sources + files(
   'decoder-cat.cc',
 )
 
+if get_option('icu')
+  decoder_cat_sources += icu_sources
+endif
+
 decoder_cat = executable(
   'decoder-cat',
   decoder_cat_sources,
diff --git a/src/vte.cc b/src/vte.cc
index 2f0d81d3..3d39bfc7 100644
--- a/src/vte.cc
+++ b/src/vte.cc
@@ -4165,6 +4165,7 @@ Terminal::send_child(std::string_view const& data)
                         _vte_byte_array_append(m_outgoing, data.data(), data.size());
                 break;
 
+#ifdef WITH_ICU
         case DataSyntax::eECMA48_PCTERM: {
                 auto converted = m_converter->convert(data);
 
@@ -4173,6 +4174,7 @@ Terminal::send_child(std::string_view const& data)
                         _vte_byte_array_append(m_outgoing, converted.data(), converted.size());
                 break;
         }
+#endif
 
         default:
                 g_assert_not_reached();
@@ -9896,9 +9898,11 @@ Terminal::reset_decoder()
                 m_utf8_decoder.reset();
                 break;
 
+#ifdef WITH_ICU
         case DataSyntax::eECMA48_PCTERM:
                 m_converter->decoder().reset();
                 break;
+#endif
 
         default:
                 g_assert_not_reached();