From 51d33b9f614f228100bc04224aa103dfb8311187 Mon Sep 17 00:00:00 2001
From: Vincent Untz <vuntz@opensuse.org>
Date: Tue, 9 Sep 2014 18:19:05 +0200
Subject: [PATCH] Fix build when panel header is not in /usr/include

When there's no pkg-config file for the panel library, the build breaks
if the header is not in /usr/include.

At least in openSUSE, we have /usr/include/ncurses.h and
/usr/include/ncurses/panel.h.
---
 configure.ac | 9 ++++++++-
 src/nwipe.h  | 7 +++++--
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 6244c6d..28597ff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -21,7 +21,14 @@ PKG_CHECK_MODULES(
 		CFLAGS="${CFLAGS} ${PANEL_CFLAGS}"
 		LIBS="${LIBS} ${PANEL_LIBS}"
 	],
-	[AC_CHECK_LIB([panel], [main], ,[AC_MSG_ERROR([ncurses panel library not found])])]
+	[AC_CHECK_LIB([panel], [main], [
+		LIBS="-lpanel $LIBS"
+		AC_CHECK_HEADERS(panel.h,, [
+		    AC_CHECK_HEADERS(ncurses/panel.h, [
+			AC_DEFINE([PANEL_IN_SUBDIR], [ncurses/], [Look for ncurses headers in subdir])
+			], [AC_MSG_ERROR([ncurses panel headers not found])])
+		])
+	    ], [AC_MSG_ERROR([ncurses panel library not found])])]
 )
 
 PKG_CHECK_MODULES(
diff --git a/src/nwipe.h b/src/nwipe.h
index 600c6e6..18cce4e 100644
--- a/src/nwipe.h
+++ b/src/nwipe.h
@@ -65,12 +65,15 @@ extern int log_current_element;
 extern int log_elements_allocated;
 extern pthread_mutex_t mutex1;
 
-/* Ncurses headers. Assume panel.h is in same place.*/
+/* Ncurses headers. */
 #ifdef NCURSES_IN_SUBDIR
     #include <ncurses/ncurses.h>
-    #include <ncurses/panel.h>
 #else
     #include <ncurses.h>
+#endif
+#ifdef PANEL_IN_SUBDIR
+    #include <ncurses/panel.h>
+#else
     #include <panel.h>
 #endif