Remove the config.h kludge and override vasprintf detection via HAVE_VASPRINTF.

Makefile

@@ -12,7 +12,7 @@ endif
 
 .PHONY: all
 all:
-	@if test ! -e config.h; then \
+	@if test ! -e config.mk; then \
 		echo "You didn't run ./configure ... exiting."; \
 		exit 1; \
 	fi
@@ -45,4 +45,4 @@ clean:
 	@for dir in $(SUBDIRS); do		\
 		$(MAKE) -C $$dir clean || exit 1;	\
 	done
-	-rm -f config.h config.mk _ccflag.{,c,err}
+	-rm -f config.mk _ccflag.{,c,err}

bin/xbps-install/fetch_cb.c

@@ -42,7 +42,6 @@
 
 #include <xbps.h>
 #include "defs.h"
-#include "config.h"
 
 static void
 get_time(struct timeval *tvp)

bin/xbps-query/search.c

@@ -27,9 +27,7 @@
 # define _GNU_SOURCE    /* for strcasestr(3) */
 #endif
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "compat.h"
 
 #include <stdio.h>
 #include <stdbool.h>

configure

@@ -111,7 +111,6 @@ _which()
 	return 1
 }
 
-CONFIG_H=config.h
 CONFIG_MK=config.mk
 
 if [ -z "$BUILD" ]; then
@@ -138,9 +137,8 @@ if [ -z "$OS" ]; then
 fi
 
 echo "Configuring xbps for ... $OS"
-rm -f $CONFIG_H $CONFIG_MK
+rm -f $CONFIG_MK
 echo "# Common vars used by XBPS on $OS." >$CONFIG_MK
-echo "/* $OS */" >$CONFIG_H
 
 echo "VERSION = $VERSION" >>$CONFIG_MK
 echo "TOPDIR ?=	$TOPDIR" >>$CONFIG_MK
@@ -186,7 +184,6 @@ echo "CFLAGS = -O2 -pthread" >>$CONFIG_MK
 
 echo "LDFLAGS =  	-L\$(TOPDIR)/lib" >>$CONFIG_MK
 echo "CPPFLAGS = 	-I. -I\$(TOPDIR) -I\$(TOPDIR)/include" >>$CONFIG_MK
-echo "CPPFLAGS +=	-DHAVE_CONFIG_H" >>$CONFIG_MK
 echo "CPPFLAGS +=	-DXBPS_SYSCONF_PATH=\\\"${ETCDIR}\\\"" >>$CONFIG_MK
 echo "CPPFLAGS +=	-DXBPS_VERSION=\\\"${VERSION}\\\"" >>$CONFIG_MK
 echo "CPPFLAGS +=	-D_unused=\"__attribute__((__unused__))\"" >>$CONFIG_MK
@@ -346,22 +343,31 @@ echo "STATIC_LIBS +=	-lpthread" >>$CONFIG_MK
 #
 func=vasprintf
 printf "Checking for $func() ... "
+if test -n "$HAVE_VASPRINTF"; then
+	echo "yes (cached)."
+else
 	cat <<EOF >_$func.c
+#define _GNU_SOURCE
 #include <stdio.h>
 int main(void) {
 	vasprintf(NULL, NULL, NULL);
 	return 0;
 }
 EOF
-if $XCC -D_GNU_SOURCE _$func.c -o _$func 2>/dev/null; then
+
+	if $XCC _$func.c -o _$func 2>/dev/null; then
 		echo yes.
-	echo "CPPFLAGS +=	-DHAVE_VASPRINTF" >> $CONFIG_MK
+		HAVE_VASPRINTF=1
 	else
 		echo no.
-	echo "COMPAT_SRCS+=	compat/vasprintf.o" >>$CONFIG_MK
-	echo "#include \"compat.h\"" >>$CONFIG_H
 	fi
 	rm -f _$func.c _$func
+fi
+if test -n "$HAVE_VASPRINTF"; then
+	echo "CPPFLAGS +=	-DHAVE_VASPRINTF" >> $CONFIG_MK
+else
+	echo "COMPAT_SRCS+=	compat/vasprintf.o" >>$CONFIG_MK
+fi
 
 #
 # Check for strcasestr().
@@ -384,7 +390,6 @@ if $XCC _$func.c -o _$func 2>/dev/null; then
 else
 	echo no.
 	echo "COMPAT_SRCS +=	compat/strcasestr.o" >>$CONFIG_MK
-	echo "#include \"compat.h\"" >>$CONFIG_H
 fi
 rm -f _$func _$func.c
 
@@ -408,7 +413,6 @@ if $XCC _$func.c -o _$func 2>/dev/null; then
 else
 	echo no.
 	echo "COMPAT_SRCS +=	compat/strlcpy.o" >>$CONFIG_MK
-	echo "#include \"compat.h\"" >>$CONFIG_H
 fi
 rm -f _$func.c _$func
 
@@ -431,7 +435,6 @@ if $XCC _$func.c -o _$func 2>/dev/null; then
 else
 	echo no.
 	echo "COMPAT_SRCS +=	compat/strlcat.o" >>$CONFIG_MK
-	echo "#include \"compat.h\"" >>$CONFIG_H
 fi
 rm -f _$func.c _$func
 
@@ -454,7 +457,6 @@ if $XCC -lutil _$func.c -o _$func 2>/dev/null; then
 else
 	echo no.
 	echo "COMPAT_SRCS+=	compat/humanize_number.o" >>$CONFIG_MK
-	echo "#include \"compat.h\"" >>$CONFIG_H
 fi
 rm -f _$func.c _$func
 

include/compat.h

@@ -22,7 +22,7 @@ size_t HIDDEN strlcpy(char *, const char *, size_t);
 char HIDDEN *strcasestr(const char *, const char *);
 #endif
 
-#if !defined(HAVE_VASPRINTF) && !defined(_GNU_SOURCE)
+#ifndef HAVE_VASPRINTF
 int HIDDEN vasprintf(char **, const char *, va_list);
 #endif
 

include/xbps_api_impl.h

@@ -30,7 +30,7 @@
 #include <assert.h>
 #include <confuse.h>
 #define LIBXBPS_PRIVATE
-#include <xbps.h>
+#include "xbps.h"
 
 /*
  * By default all public functions have default visibility, unless

lib/cb_util.c

@@ -34,10 +34,6 @@
 #include <stdarg.h>
 #include <errno.h>
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include "xbps_api_impl.h"
 
 #ifdef __clang__

lib/external/dewey.c

@@ -37,9 +37,6 @@
 #include <ctype.h>
 
 #include "xbps_api_impl.h"
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
 
 #define PKG_PATTERN_MAX 1024
 

lib/external/fexec.c

@@ -29,13 +29,15 @@
 
 #define _BSD_SOURCE	/* for vfork and chroot */
 #include <sys/types.h>
+#include <unistd.h>
+
 #include <sys/wait.h>
 #include <errno.h>
 #include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
 
+#undef _BSD_SOURCE
 #include "xbps_api_impl.h"
 
 static int

lib/fetch/common.c

@@ -30,9 +30,8 @@
  * $FreeBSD: common.c,v 1.53 2007/12/19 00:26:36 des Exp $
  */
 
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "compat.h"
+
 #ifndef NETBSD
 #include <nbcompat.h>
 #endif

lib/fetch/fetch.c

@@ -30,9 +30,8 @@
  * $FreeBSD: fetch.c,v 1.41 2007/12/19 00:26:36 des Exp $
  */
 
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "compat.h"
+
 #ifndef NETBSD
 #include <nbcompat.h>
 #endif

lib/fetch/file.c

@@ -30,9 +30,8 @@
  * $FreeBSD: file.c,v 1.18 2007/12/14 10:26:58 des Exp $
  */
 
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "compat.h"
+
 #ifndef NETBSD
 #include <nbcompat.h>
 #endif

lib/fetch/ftp.c

@@ -57,9 +57,8 @@
  *
  */
 
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "compat.h"
+
 #ifndef NETBSD
 #include <nbcompat.h>
 #endif

lib/fetch/http.c

@@ -63,9 +63,8 @@
  * SUCH DAMAGE.
  */
 
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "compat.h"
+
 #ifndef NETBSD
 #include <nbcompat.h>
 #endif

lib/package_configure.c

@@ -29,7 +29,6 @@
 #include <errno.h>
 
 #include "xbps_api_impl.h"
-
 /**
  * @file lib/package_configure.c
  * @brief Package configuration routines

lib/package_unpack.c

@@ -23,10 +23,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include <sys/stat.h>
 #include <stdio.h>
 #include <stdbool.h>

lib/portableproplib/prop_object.c

@@ -29,9 +29,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "compat.h"
 
 #include <prop/prop_object.h>
 #include "prop_object_impl.h"

lib/util.c

@@ -27,10 +27,6 @@
 # define _GNU_SOURCE	/* for vasprintf(3) */
 #endif
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include <stdio.h>
 #include <stdbool.h>
 #include <stdlib.h>