Use configure variables to set paths inside binaries

src/Makefile.am

@@ -4,7 +4,7 @@ libexec_PROGRAMS = knot-zcompile unittests unittests-zcompile unittests-libknot-
 sbin_PROGRAMS = knotd
 
 # $(YACC) will generate header file
-AM_CFLAGS = -Wall -I../ -I../libknot
+AM_CFLAGS = -Wall -I../ -I../libknot -DLIBEXECDIR='"$(libexecdir)"' -DSYSCONFDIR='"$(sysconfdir)"' -DSBINDIR='"$(sbindir)"'
 AM_YFLAGS = -d
 libknotd_la_YFLAGS = -pcf_ -d
 libknotd_la_LFLAGS = # TODO: reentrant parser, prefix

src/knot/common.h

@@ -27,8 +27,8 @@ typedef unsigned int uint; /*!< \brief Unsigned. */
 
 #define PROJECT_NAME PACKAGE /*!< \brief Project name. */
 #define PROJECT_VER  0x000100  /*!< \brief  0xMMIIRR (MAJOR,MINOR,REVISION). */
-#define PROJECT_EXEC "knotd" /*!< \brief  Project executable. */
-#define ZONEPARSER_EXEC "knot-zcompile" /*!< \brief  Zoneparser executable. */
+#define PROJECT_EXEC SBINDIR "/" "knotd" /*!< \brief  Project executable. */
+#define ZONEPARSER_EXEC LIBEXECDIR "/" "knot-zcompile" /*!< \brief  Zoneparser executable. */
 #define PID_FILE "knot.pid" /*!< \brief Server PID file name. */
 
 /*

src/knot/conf/conf.c

@@ -16,14 +16,15 @@
  * Defaults.
  */
 
-#define DEFAULT_CONF_COUNT 2 /*!< \brief Number of default config paths. */
-
 /*! \brief Default config paths. */
-static const char *DEFAULT_CONFIG[2] = {
-	"~/.knot/" PROJECT_EXEC ".conf",
-	"/etc/knot/" PROJECT_EXEC ".conf"
+static const char *DEFAULT_CONFIG[] = {
+	SYSCONFDIR "/" "knotd.conf",
+	"~/.knot/" "knotd.conf",
+	"/etc/" PACKAGE "/" "knotd.conf"
 };
 
+#define DEFAULT_CONF_COUNT sizeof(DEFAULT_CONFIG) /*!< \brief Number of default config paths. */
+
 /*
  * Utilities.
  */