Let ocamlfind find include and lib files

Summary:public

Pass -pkg flags to ocamlbuild for libraries, instead of manually
constructing includes, libs, and mods.

Reviewed By: jvillard

Differential Revision: D2952945

fb-gh-sync-id: 875ae34
shipit-source-id: 875ae34

infer/src/Makefile.in

@@ -26,8 +26,6 @@ MKDIR = mkdir -p
 LINK = ln -sf
 ATDGEN = @ATDGEN@
 
-OCAML_INCLUDE_DIR = $(shell ocamlc -where)
-
 #### Global declarations ####
 
 BUILD_DIR = $(INFER_DIR)/_build-infer
@@ -38,18 +36,7 @@ SCRIPTS_BUILD_DIR = $(BUILD_DIR)/scripts
 ANNOT_DIR = $(SRC_DIR)/_build
 ETC_DIR = $(INFER_DIR)/etc
 
-#### Infer includes declarations ####
-
-ATDGEN_INCLUDE_DIR = @OCAML_PKG_PATH_atdgen@
-BINIOU_INCLUDE_DIR = @OCAML_PKG_PATH_biniou@
-EASYFORMAT_INCLUDE_DIR = @OCAML_PKG_PATH_easy_format@
-EXTLIB_INCLUDE_DIR = @OCAML_PKG_PATH_extlib@
-YOJSON_INCLUDE_DIR = @OCAML_PKG_PATH_yojson@
-ZIP_INCLUDE_DIR = @OCAML_PKG_PATH_camlzip@
-
-OCAML_INCLUDES = -I,$(EASYFORMAT_INCLUDE_DIR),-I,$(BINIOU_INCLUDE_DIR),-I,$(YOJSON_INCLUDE_DIR),-I,$(ATDGEN_INCLUDE_DIR),-I,$(EXTLIB_INCLUDE_DIR),-I,$(ZIP_INCLUDE_DIR)
-OCAML_LIBS = unix str atdgen extLib zip
-OCAML_MODS = easy_format bi_util bi_share bi_outbuf bi_inbuf bi_vint bi_io yojson ag_oj_run ag_ob_run ag_util
+#### ocamlbuild options ####
 
 OCAMLBUILD_ANNOT_OPTIONS =
 ifeq (@ENABLE_OCAML_ANNOT@,yes)
@@ -98,10 +85,7 @@ OCAMLBUILD_OPTIONS = \
                      -cflags -w,-40..42 \
                      -tag-line "<*{clang/clang_ast_*,backend/jsonbug_*}>: warn(-27-32-35-39)" \
                      -tag-line "not <**/{config,iList,utils}.*>: open(Utils)" \
-                     -lflags $(OCAML_INCLUDES) \
-                     -cflags $(OCAML_INCLUDES) \
-                     $(addprefix -lib ,$(OCAML_LIBS)) \
-                     $(addprefix -mod ,$(OCAML_MODS))
+                     -pkgs atdgen,extlib,str,unix,yojson,zip
 
 #### Backend declarations ####
 
@@ -120,13 +104,7 @@ INFERPRINT_MAIN = $(BACKEND_SOURCES)/inferprint
 
 #### Java declarations ####
 
-PTREES_INCLUDE_DIR = @OCAML_PKG_PATH_ptrees@
-JAVALIB_INCLUDE_DIR = @OCAML_PKG_PATH_javalib@
-SAWJA_INCLUDE_DIR = @OCAML_PKG_PATH_sawja@
-
-JAVA_INCLUDES = -I,$(PTREES_INCLUDE_DIR),-I,$(JAVALIB_INCLUDE_DIR),-I,$(SAWJA_INCLUDE_DIR)
-JAVA_LIBS = ptrees javalib sawja
-JAVA_OCAMLBUID_OPTIONS = -lflags $(JAVA_INCLUDES) -cflags $(JAVA_INCLUDES) $(addprefix -lib ,$(JAVA_LIBS))
+JAVA_OCAMLBUILD_OPTIONS = -pkgs javalib,ptrees,sawja
 
 JAVA_SOURCES = java
 
@@ -199,7 +177,7 @@ llvm: $(INFERLLVM_BIN)
 checkCopyright: $(CHECKCOPYRIGHT_BIN)
 
 build_java: init $(INFERPRINT_ATDGEN_STUBS)
-	$(OCAMLBUILD) -build-dir $(JAVA_BUILD_DIR) $(JAVA_OCAMLBUID_OPTIONS) \
+	$(OCAMLBUILD) -build-dir $(JAVA_BUILD_DIR) $(JAVA_OCAMLBUILD_OPTIONS) \
 	  $(INFERANALYZE_MAIN).native \
 	  $(INFERPRINT_MAIN).native \
 	  $(INFERJAVA_MAIN).native