Make libcurl a hard dependency

NEWS

@@ -8,6 +8,7 @@ ncmpcpp-0.8 (????-??-??)
 * Added support for fetching lyrics from tekstowo.pl.
 * The list of lyrics fetchers can now be set via configuration file.
 * Lyrics can now be fetched for songs with no tags.
+* libcurl dependency is no longer optional.
 
 ncmpcpp-0.7.7 (2016-10-31)
 * Fixed compilation on 32bit platforms.

configure.ac

@@ -15,7 +15,6 @@ AC_ARG_ENABLE(visualizer, AS_HELP_STRING([--enable-visualizer], [Enable music vi
 AC_ARG_ENABLE(clock, AS_HELP_STRING([--enable-clock], [Enable clock screen @<:@default=no@:>@]), [clock=$enableval], [clock=no])
 AC_ARG_ENABLE(unicode, AS_HELP_STRING([--enable-unicode], [Enable utf8 support @<:@default=yes@:>@]), [unicode=$enableval], [unicode=yes])
 
-AC_ARG_WITH(curl, AS_HELP_STRING([--with-curl], [Enable fetching lyrics from the Internet @<:@default=auto@:>@]), [curl=$withval], [curl=auto])
 AC_ARG_WITH(fftw, AS_HELP_STRING([--with-fftw], [Enable fftw support (required for frequency spectrum vizualization) @<:@default=auto@:>@]), [fftw=$withval], [fftw=auto])
 AC_ARG_WITH(taglib, AS_HELP_STRING([--with-taglib], [Enable tag editor @<:@default=auto@:>@]), [taglib=$withval], [taglib=auto])
 
@@ -232,31 +231,42 @@ if test "$visualizer" = "yes" ; then
 	AC_DEFINE([ENABLE_VISUALIZER], [1], [enables music visualizer screen])
 fi
 
-dnl =====================
-dnl = checking for curl =
-dnl =====================
-if test "$curl" != "no" ; then
-	AC_PATH_PROG(CURL_CONFIG, curl-config)
-	if test "$CURL_CONFIG" != "" ; then
-		CPPFLAGS="$CPPFLAGS `$CURL_CONFIG --cflags`"
-		AC_CHECK_LIB(curl, curl_easy_init, LIBS="$LIBS `$CURL_CONFIG --libs`",
-			if test "$curl" = "yes" ; then
-				AC_MSG_ERROR([curl library is required])
-			fi
-		)
-		AC_CHECK_HEADERS([curl/curl.h], ,
-			if test "$curl" = "yes" ; then
-				AC_MSG_ERROR([missing curl.h header])
-			fi
-		)
-	else
-		AC_CHECK_LIB(curl, curl_easy_init, LIBS="$LIBS -lcurl",
-			if test "$curl" = "yes" ; then
-				AC_MSG_ERROR([curl library is required])
-			fi
+dnl ========================
+dnl = checking for libcurl =
+dnl ========================
+PKG_CHECK_MODULES([libcurl], [libcurl], [
+	AC_SUBST(libcurl_CFLAGS)
+	AC_SUBST(libcurl_LIBS)
+	CPPFLAGS="$CPPFLAGS $libcurl_CFLAGS"
+	AC_CHECK_HEADERS([curl/curl.h],
+		LIBS="$LIBS $libcurl_LIBS"
+	,
+		AC_MSG_ERROR([missing curl/curl.h header])
 	)
-	fi
-fi
+],
+	AC_MSG_ERROR([libcurl is required!])
+)
+
+dnl AC_PATH_PROG(CURL_CONFIG, curl-config)
+dnl if test "$CURL_CONFIG" != "" ; then
+dnl 	CPPFLAGS="$CPPFLAGS `$CURL_CONFIG --cflags`"
+dnl 	AC_CHECK_LIB(curl, curl_easy_init, LIBS="$LIBS `$CURL_CONFIG --libs`",
+dnl 		if test "$curl" = "yes" ; then
+dnl 			AC_MSG_ERROR([curl library is required])
+dnl 		fi
+dnl 	)
+dnl 	AC_CHECK_HEADERS([curl/curl.h], ,
+dnl 		if test "$curl" = "yes" ; then
+dnl 			AC_MSG_ERROR([missing curl.h header])
+dnl 		fi
+dnl 	)
+dnl else
+dnl 	AC_CHECK_LIB(curl, curl_easy_init, LIBS="$LIBS -lcurl",
+dnl 		if test "$curl" = "yes" ; then
+dnl 			AC_MSG_ERROR([curl library is required])
+dnl 		fi
+dnl 	)
+dnl fi
 
 dnl =======================
 dnl = checking for taglib =

src/actions.cpp

@@ -135,10 +135,7 @@ void initializeScreens()
 	mySongInfo = new SongInfo;
 	myServerInfo = new ServerInfo;
 	mySortPlaylistDialog = new SortPlaylistDialog;
-	
-#	ifdef HAVE_CURL_CURL_H
 	myLastfm = new Lastfm;
-#	endif // HAVE_CURL_CURL_H
 
 #	ifdef HAVE_TAGLIB_H
 	myTinyTagEditor = new TinyTagEditor;
@@ -172,10 +169,7 @@ void setResizeFlags()
 	mySongInfo->hasToBeResized = 1;
 	myServerInfo->hasToBeResized = 1;
 	mySortPlaylistDialog->hasToBeResized = 1;
-	
-#	ifdef HAVE_CURL_CURL_H
 	myLastfm->hasToBeResized = 1;
-#	endif // HAVE_CURL_CURL_H
 
 #	ifdef HAVE_TAGLIB_H
 	myTinyTagEditor->hasToBeResized = 1;
@@ -1138,35 +1132,16 @@ void ToggleLyricsUpdateOnSongChange::run()
 	);
 }
 
-#ifndef HAVE_CURL_CURL_H
-bool ToggleLyricsFetcher::canBeRun()
-{
-	return false;
-}
-#endif // NOT HAVE_CURL_CURL_H
-
 void ToggleLyricsFetcher::run()
 {
-#	ifdef HAVE_CURL_CURL_H
 	myLyrics->toggleFetcher();
-#	endif // HAVE_CURL_CURL_H
-}
-
-#ifndef HAVE_CURL_CURL_H
-bool ToggleFetchingLyricsInBackground::canBeRun()
-{
-	return false;
 }
-#endif // NOT HAVE_CURL_CURL_H
 
 void ToggleFetchingLyricsInBackground::run()
 {
-#	ifdef HAVE_CURL_CURL_H
 	Config.fetch_lyrics_in_background = !Config.fetch_lyrics_in_background;
 	Statusbar::printf("Fetching lyrics for playing songs in background: %1%",
-		Config.fetch_lyrics_in_background ? "on" : "off"
-	);
-#	endif // HAVE_CURL_CURL_H
+	                  Config.fetch_lyrics_in_background ? "on" : "off");
 }
 
 void TogglePlayingSongCentering::run()
@@ -2004,10 +1979,7 @@ bool Find::canBeRun()
 {
 	return myScreen == myHelp
 		|| myScreen == myLyrics
-#	ifdef HAVE_CURL_CURL_H
-	    || myScreen == myLastfm
-#	endif // HAVE_CURL_CURL_H
-	;
+		|| myScreen == myLastfm;
 }
 
 void Find::run()
@@ -2299,18 +2271,12 @@ void ToggleMediaLibrarySortMode::run()
 
 bool RefetchLyrics::canBeRun()
 {
-#	ifdef HAVE_CURL_CURL_H
 	return myScreen == myLyrics;
-#	else
-	return false;
-#	endif // HAVE_CURL_CURL_H
 }
 
 void RefetchLyrics::run()
 {
-#	ifdef HAVE_CURL_CURL_H
 	myLyrics->refetchCurrent();
-#	endif // HAVE_CURL_CURL_H
 }
 
 bool SetSelectedItemsPriority::canBeRun()
@@ -2402,20 +2368,15 @@ void ShowSongInfo::run()
 
 bool ShowArtistInfo::canBeRun()
 {
-	#ifdef HAVE_CURL_CURL_H
 	return myScreen == myLastfm
 		|| (myScreen->isActiveWindow(myLibrary->Tags)
 		    && !myLibrary->Tags.empty()
 		    && Config.media_lib_primary_tag == MPD_TAG_ARTIST)
 		|| currentSong(myScreen);
-#	else
-	return false;
-#	endif // NOT HAVE_CURL_CURL_H
 }
 
 void ShowArtistInfo::run()
 {
-#	ifdef HAVE_CURL_CURL_H
 	if (myScreen == myLastfm)
 	{
 		myLastfm->switchTo();
@@ -2441,7 +2402,6 @@ void ShowArtistInfo::run()
 		myLastfm->queueJob(new LastFm::ArtistInfo(artist, Config.lastfm_preferred_language));
 		myLastfm->switchTo();
 	}
-#	endif // HAVE_CURL_CURL_H
 }
 
 bool ShowLyrics::canBeRun()

src/actions.h

@@ -644,9 +644,6 @@ struct ToggleLyricsFetcher: BaseAction
 	ToggleLyricsFetcher(): BaseAction(Type::ToggleLyricsFetcher, "toggle_lyrics_fetcher") { }
 	
 private:
-#	ifndef HAVE_CURL_CURL_H
-	virtual bool canBeRun() override;
-#	endif // NOT HAVE_CURL_CURL_H
 	virtual void run() override;
 };
 
@@ -656,9 +653,6 @@ struct ToggleFetchingLyricsInBackground: BaseAction
 	: BaseAction(Type::ToggleFetchingLyricsInBackground, "toggle_fetching_lyrics_in_background") { }
 	
 private:
-#	ifndef HAVE_CURL_CURL_H
-	virtual bool canBeRun() override;
-#	endif // NOT HAVE_CURL_CURL_H
 	virtual void run() override;
 };
 

src/configuration.cpp

@@ -106,9 +106,6 @@ bool configure(int argc, char **argv)
 			<< " - tag editor\n"
 			<< " - tiny tag editor\n"
 	#		endif
-	#		ifdef HAVE_CURL_CURL_H
-			<< " - artist info\n"
-	#		endif
 	#		ifdef ENABLE_OUTPUTS
 			<< " - outputs\n"
 	#		endif
@@ -125,9 +122,6 @@ bool configure(int argc, char **argv)
 			<< "disabled"
 	#		endif // HAVE_LANGINFO_H
 			<< "\nbuilt with support for:"
-	#		ifdef HAVE_CURL_CURL_H
-			<< " curl"
-	#		endif
 	#		ifdef HAVE_FFTW3_H
 			<< " fftw"
 	#		endif

src/curl_handle.cpp

@@ -20,8 +20,6 @@
 
 #include "curl_handle.h"
 
-#ifdef HAVE_CURL_CURL_H
-
 #include <cstdlib>
 
 namespace
@@ -62,5 +60,3 @@ std::string Curl::escape(const std::string &s)
 	curl_free(cs);
 	return result;
 }
-
-#endif // HAVE_CURL_CURL_H

src/curl_handle.h

@@ -23,8 +23,6 @@
 
 #include "config.h"
 
-#ifdef HAVE_CURL_CURL_H
-
 #include <string>
 #include "curl/curl.h"
 
@@ -35,7 +33,4 @@ namespace Curl
 	std::string escape(const std::string &s);
 }
 
-#endif // HAVE_CURL_CURL_H
-
 #endif // NCMPCPP_CURL_HANDLE_H
-

src/help.cpp

@@ -229,11 +229,9 @@ void write_bindings(NC::Scrollpad &w)
 	key(w, Type::ToggleSeparatorsBetweenAlbums, "Toggle displaying separators between albums");
 	key(w, Type::JumpToPositionInSong, "Jump to given position in playing song (formats: mm:ss, x%)");
 	key(w, Type::ShowSongInfo, "Show song info");
-#	ifdef HAVE_CURL_CURL_H
 	key(w, Type::ShowArtistInfo, "Show artist info");
 	key(w, Type::ToggleLyricsFetcher, "Toggle lyrics fetcher");
 	key(w, Type::ToggleFetchingLyricsInBackground, "Toggle fetching lyrics for playing songs in background");
-#	endif // HAVE_CURL_CURL_H
 	key(w, Type::ShowLyrics, "Show/hide song lyrics");
 	w << '\n';
 	key(w, Type::Quit, "Quit");

src/lastfm.cpp

@@ -20,8 +20,6 @@
 
 #include "lastfm.h"
 
-#ifdef HAVE_CURL_CURL_H
-
 #include "helpers.h"
 #include "charset.h"
 #include "global.h"
@@ -89,5 +87,3 @@ void Lastfm::getResult()
 	// reset m_worker so it's no longer valid
 	m_worker = std::future<LastFm::Service::Result>();
 }
-
-#endif // HVAE_CURL_CURL_H

src/lastfm.h

@@ -23,8 +23,6 @@
 
 #include "config.h"
 
-#ifdef HAVE_CURL_CURL_H
-
 #include <future>
 #include <memory>
 
@@ -77,7 +75,4 @@ private:
 
 extern Lastfm *myLastfm;
 
-#endif // HAVE_CURL_CURL_H
-
 #endif // NCMPCPP_LASTFM_H
-

src/lastfm_service.cpp

@@ -20,8 +20,6 @@
 
 #include "lastfm_service.h"
 
-#ifdef HAVE_CURL_CURL_H
-
 #include <boost/algorithm/string/trim.hpp>
 #include <boost/locale/conversion.hpp>
 #include <fstream>
@@ -210,6 +208,3 @@ Service::Result ArtistInfo::processData(const std::string &data)
 }
 
 }
-
-#endif
-

src/lastfm_service.h

@@ -23,8 +23,6 @@
 
 #include "config.h"
 
-#ifdef HAVE_CURL_CURL_H
-
 #include <map>
 #include <string>
 
@@ -75,6 +73,4 @@ protected:
 
 }
 
-#endif // HAVE_CURL_CURL_H
-
 #endif // NCMPCPP_LASTFM_SERVICE_H

src/lyrics.h

@@ -105,4 +105,3 @@ private:
 extern Lyrics *myLyrics;
 
 #endif // NCMPCPP_LYRICS_H
-

src/lyrics_fetcher.cpp

@@ -21,8 +21,6 @@
 #include "config.h"
 #include "curl_handle.h"
 
-#ifdef HAVE_CURL_CURL_H
-
 #include <cstdlib>
 #include <cstring>
 #include <boost/algorithm/string/join.hpp>
@@ -264,6 +262,3 @@ bool InternetLyricsFetcher::isURLOk(const std::string &url)
 	URL = url;
 	return false;
 }
-
-#endif // HAVE_CURL_CURL_H
-

src/lyrics_fetcher.h

@@ -23,8 +23,6 @@
 
 #include "config.h"
 
-#ifdef HAVE_CURL_CURL_H
-
 #include <memory>
 #include <string>
 
@@ -156,6 +154,4 @@ private:
 	std::string URL;
 };
 
-#endif // HAVE_CURL_CURL_H
-
 #endif // NCMPCPP_LYRICS_FETCHER_H

src/screen_type.cpp

@@ -51,10 +51,8 @@ std::string screenTypeToString(ScreenType st)
 #endif // ENABLE_CLOCK
 	case ScreenType::Help:
 		return "help";
-#ifdef HAVE_CURL_CURL_H
 	case ScreenType::Lastfm:
 		return "last_fm";
-#endif // HAVE_CURL_CURL_H
 	case ScreenType::Lyrics:
 		return "lyrics";
 	case ScreenType::MediaLibrary:
@@ -135,10 +133,8 @@ ScreenType stringToScreenType(const std::string &s)
 	{
 		if (s == "lyrics")
 			result = ScreenType::Lyrics;
-#		ifdef HAVE_CURL_CURL_H
 		else if (s == "last_fm")
 			result = ScreenType::Lastfm;
-#		endif // HAVE_CURL_CURL_H
 		else if (s == "selected_items_adder")
 			result = ScreenType::SelectedItemsAdder;
 		else if (s == "server_info")
@@ -167,10 +163,8 @@ BaseScreen *toScreen(ScreenType st)
 #		endif // ENABLE_CLOCK
 		case ScreenType::Help:
 			return myHelp;
-#		ifdef HAVE_CURL_CURL_H
 		case ScreenType::Lastfm:
 			return myLastfm;
-#		endif // HAVE_CURL_CURL_H
 		case ScreenType::Lyrics:
 			return myLyrics;
 		case ScreenType::MediaLibrary:

src/screen_type.h

@@ -33,9 +33,7 @@ enum class ScreenType {
 	Clock,
 #	endif // ENABLE_CLOCK
 	Help,
-#	ifdef HAVE_CURL_CURL_H
 	Lastfm,
-#	endif // HAVE_CURL_CURL_H
 	Lyrics,
 	MediaLibrary,
 #	ifdef ENABLE_OUTPUTS

src/status.cpp

@@ -572,10 +572,8 @@ void Status::Changes::songID(int song_id)
 			if (!Config.execute_on_song_change.empty())
 				res = system(Config.execute_on_song_change.c_str());
 
-#			ifdef HAVE_CURL_CURL_H
 			if (Config.fetch_lyrics_in_background)
 				myLyrics->fetchInBackground(s);
-#			endif // HAVE_CURL_CURL_H
 
 			drawTitle(s);