2 files changed, 8 insertions, 4 deletions
diff --git a/Makefile b/Makefile
index 6a7ee91..f3bcac9 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,8 @@ BINDIR = bin
 
 TARGET_DIR = $(PREFIX)/$(BINDIR)
 
+BUILD_DIR = build
+
 GPRBUILD = gprbuild
 GPRCLEAN = gprclean
 GPRINSTALL = gprinstall
@@ -10,18 +12,20 @@ GNATPREP = gnatprep
 
 INSTALL = install
 
-all: src/config.ads src/hvinfo
+all: src/config.ads hvinfo
 
 src/config.ads: VERSION mkconfig.sh src/config.ads.in
 	GNATPREP=$(GNATPREP) ./mkconfig.sh
 
 .PHONY: src/hvinfo
-src/hvinfo:
+hvinfo:
+	mkdir -p $(BUILD_DIR)
 	$(GPRBUILD) -Phvinfo
 
 clean:
 	$(GPRCLEAN)
+	rm -rf $(BUILD_DIR)
 
 install:
 	$(INSTALL) -d $(TARGET_DIR)
-	$(INSTALL) src/hvinfo $(TARGET_DIR)
+	$(INSTALL) $(BUILD_DIR)/hvinfo $(TARGET_DIR)
diff --git a/hvinfo.gpr b/hvinfo.gpr
index 29952ad..00c0463 100644
--- a/hvinfo.gpr
+++ b/hvinfo.gpr
@@ -2,7 +2,7 @@ project hvinfo is
 
    for Languages use ("Ada");
    for Source_Dirs use ("src");
-   for Object_Dir use  "src";
+   for Object_Dir use  "build";
    for Main use ("hvinfo.adb");
 
 end hvinfo;