From cfe267835813b684b9c8ef81b096c2c25263f544 Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@gmail.com>
Date: Wed, 12 Feb 2020 21:39:42 +0100
Subject: Use pkg-config for ncursesw, fallback to classic curses

The fallback is intended for non-ncurses systems only.
TODO: add proper check that the fallback lib is wide
character capable. (Can't add right now, as we don't
know about an incompatiblity)
---
 configure.ac    | 13 ++++++++-----
 src/Makefile.am |  2 +-
 src/interface.c |  4 +++-
 src/interface.h |  4 +++-
 4 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/configure.ac b/configure.ac
index 3ca5384..37ec840 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,20 +29,23 @@ AC_PROG_INSTALL
 AC_PROG_MAKE_SET
 
 # Checks for libraries.
-AC_CHECK_LIB([ncursesw], [newwin], [CURSES_LIBS=-lncursesw], AC_MSG_ERROR([curses required]))
-
+PKG_CHECK_MODULES(CURSES, [ncursesw], [], [ncursesw=no])
 PKG_CHECK_MODULES(PULSE, [libpulse], [], AC_MSG_ERROR([libpulse required]))
 PKG_CHECK_MODULES(PULSE_MAINLOOP, [libpulse-mainloop-glib], [], AC_MSG_ERROR([libpulse-mainloop-glib required]))
 PKG_CHECK_MODULES(GLIB, [glib-2.0], [], AC_MSG_ERROR([glib required]))
 
+if test "x$ncursesw" = "xno"; then
+	AC_CHECK_LIB([curses], [newwin], [CURSES_LIBS=-lcurses], AC_MSG_ERROR([ncursesw or curses required]))
+	AC_CHECK_HEADERS([curses.h])
+	AC_SUBST(CURSES_LIBS)
+fi
+
 if test "x$GCC" = "xyes"; then
 	GCC_CFLAGS="-Wall -pedantic -std=c99 -W -Wextra -pipe -Wno-long-long -Winline -Wvla -Wno-overlength-strings -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op -Wsign-compare -Wformat-security -Wmissing-include-dirs -Wformat-nonliteral -Wold-style-definition -Wpointer-arith -Winit-self -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-align -Wstrict-aliasing=2 -Wwrite-strings -Wno-unused-parameter -ffast-math -Wp,-D_FORTIFY_SOURCE=2 -fno-common -fdiagnostics-show-option -fvisibility=hidden"
 fi
 AC_SUBST(GCC_CFLAGS)
 
-AC_SUBST(CURSES_LIBS)
-
-AC_CHECK_HEADERS([ncurses.h sys/ioctl.h sys/signalfd.h unistd.h signal.h])
+AC_CHECK_HEADERS([sys/ioctl.h sys/signalfd.h unistd.h signal.h])
 
 AC_CHECK_FUNC([sigaction], [], AC_MSG_ERROR([function sigaction() not found]))
 AC_CHECK_FUNCS([signalfd])
diff --git a/src/Makefile.am b/src/Makefile.am
index 3579dc0..8c5071c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -7,7 +7,7 @@ pa_sink_ctl_SOURCES += unix_signal.c
 endif
 
 AM_CFLAGS = $(GCC_CFLAGS)
-AM_CPPFLAGS = $(PULSE_CFLAGS) $(PULSE_MAINLOOP_CFLAGS) $(GLIB_CFLAGS) \
+AM_CPPFLAGS = $(PULSE_CFLAGS) $(PULSE_MAINLOOP_CFLAGS) $(GLIB_CFLAGS) $(CURSES_CFLAGS) \
 	      -include $(top_builddir)/config.h
 pa_sink_ctl_LDADD = $(GLIB_LIBS) $(PULSE_LIBS) $(PULSE_MAINLOOP_LIBS) $(CURSES_LIBS)
 
diff --git a/src/interface.c b/src/interface.c
index 4fdc09f..7c37611 100644
--- a/src/interface.c
+++ b/src/interface.c
@@ -17,7 +17,9 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#ifndef _XOPEN_SOURCE
 #define _XOPEN_SOURCE 700
+#endif
 
 #include <unistd.h>
 #include <string.h>
@@ -27,7 +29,7 @@
 
 #include <glib.h>
 #include <pulse/pulseaudio.h>
-#include <ncurses.h>
+#include <curses.h>
 
 #include "interface.h"
 #include "ctl.h"
diff --git a/src/interface.h b/src/interface.h
index b696526..2ecc6cd 100644
--- a/src/interface.h
+++ b/src/interface.h
@@ -20,11 +20,13 @@
 #ifndef INTERFACE_H
 #define INTERFACE_H
 
+#ifndef _XOPEN_SOURCE
 #define _XOPEN_SOURCE 700
+#endif
 
 #include <glib.h>
 #include <pulse/pulseaudio.h>
-#include <ncurses.h>
+#include <curses.h>
 
 #define SELECTED_MAIN_CTL -1
 #define H_MSG_BOX 3
-- 
cgit