From dd3e666c5114f81c9518e9f5ba14959ced079ab6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jean-S=C3=A9bastien=20P=C3=A9dron?= Date: Mon, 14 Dec 2009 23:04:00 +0100 Subject: Add dependencies Makefile generation to erlc(1) and compile(3) This is useful when a project is built with Makefiles and erlc(1) instead of EMakefiles. Tracking dependencies by hand is error-prone and it becomes painful when using external application headers like EUnit's one. A dependencies Makefile will look like this: module.beam: module.erl \ /usr/local/lib/erlang/lib/eunit-2.1.4/include/eunit.hrl \ header.hrl When included in the main Makefile, 'module' will be recompiled only when needed. GCC offers the same feature and new erlc(1) options are compatible with it. More informations at: http://wiki.github.com/dumbbell/otp/dependencies-makefile --- lib/compiler/test/compile_SUITE.erl | 74 +++++++++++++++++++++- .../test/compile_SUITE_data/simple-basic1.mk | 1 + .../test/compile_SUITE_data/simple-basic2.mk | 1 + .../test/compile_SUITE_data/simple-missing.mk | 1 + .../test/compile_SUITE_data/simple-target1.mk | 1 + .../test/compile_SUITE_data/simple-target2.mk | 1 + lib/compiler/test/compile_SUITE_data/simple.erl | 4 ++ 7 files changed, 81 insertions(+), 2 deletions(-) create mode 100644 lib/compiler/test/compile_SUITE_data/simple-basic1.mk create mode 100644 lib/compiler/test/compile_SUITE_data/simple-basic2.mk create mode 100644 lib/compiler/test/compile_SUITE_data/simple-missing.mk create mode 100644 lib/compiler/test/compile_SUITE_data/simple-target1.mk create mode 100644 lib/compiler/test/compile_SUITE_data/simple-target2.mk (limited to 'lib/compiler/test') diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl index e1cc5dafb5..cf0f352979 100644 --- a/lib/compiler/test/compile_SUITE.erl +++ b/lib/compiler/test/compile_SUITE.erl @@ -25,7 +25,7 @@ -export([all/1, app_test/1, file_1/1, module_mismatch/1, big_file/1, outdir/1, - binary/1, cond_and_ifdef/1, listings/1, listings_big/1, + binary/1, makedep/1, cond_and_ifdef/1, listings/1, listings_big/1, other_output/1, package_forms/1, encrypted_abstr/1, bad_record_use/1, bad_record_use1/1, bad_record_use2/1, strict_record/1, missing_testheap/1, cover/1, env/1, core/1, asm/1]). @@ -40,7 +40,7 @@ all(suite) -> test_lib:recompile(?MODULE), [app_test, - file_1, module_mismatch, big_file, outdir, binary, + file_1, module_mismatch, big_file, outdir, binary, makedep, cond_and_ifdef, listings, listings_big, other_output, package_forms, encrypted_abstr, @@ -132,6 +132,76 @@ binary(Config) when is_list(Config) -> ?line test_server:timetrap_cancel(Dog), ok. +%% Tests that the dependencies-Makefile-related options work. + +makedep(Config) when is_list(Config) -> + ?line Dog = test_server:timetrap(test_server:seconds(60)), + ?line {Simple,Target} = files(Config, "makedep"), + ?line DataDir = ?config(data_dir, Config), + ?line SimpleRootname = filename:rootname(Simple), + ?line IncludeDir = filename:join(filename:dirname(Simple), "include"), + ?line IncludeOptions = [ + {d,need_foo}, + {d,foo_value,42}, + {d,include_generated}, + {i,IncludeDir} + ], + %% Basic rule. + ?line BasicMf1Name = SimpleRootname ++ "-basic1.mk", + ?line {ok,BasicMf1} = file:read_file(BasicMf1Name), + ?line {ok,_,Mf1} = compile:file(Simple, [binary,makedep]), + ?line BasicMf1 = makedep_canonicalize_result(Mf1, DataDir), + %% Basic rule with one existing header. + ?line BasicMf2Name = SimpleRootname ++ "-basic2.mk", + ?line {ok,BasicMf2} = file:read_file(BasicMf2Name), + ?line {ok,_,Mf2} = compile:file(Simple, [binary,makedep|IncludeOptions]), + ?line BasicMf2 = makedep_canonicalize_result(Mf2, DataDir), + %% Rule with one existing header and one missing header. + ?line MissingMfName = SimpleRootname ++ "-missing.mk", + ?line {ok,MissingMf} = file:read_file(MissingMfName), + ?line {ok,_,Mf3} = compile:file(Simple, + [binary,makedep,makedep_add_missing|IncludeOptions]), + ?line MissingMf = makedep_canonicalize_result(Mf3, DataDir), + %% Rule with modified target. + ?line TargetMf1Name = SimpleRootname ++ "-target1.mk", + ?line {ok,TargetMf1} = file:read_file(TargetMf1Name), + ?line {ok,_,Mf4} = compile:file(Simple, + [binary,makedep,{makedep_target,"$target"}|IncludeOptions]), + ?line TargetMf1 = makedep_modify_target( + makedep_canonicalize_result(Mf4, DataDir), "$$target"), + %% Rule with quoted modified target. + ?line TargetMf2Name = SimpleRootname ++ "-target2.mk", + ?line {ok,TargetMf2} = file:read_file(TargetMf2Name), + ?line {ok,_,Mf5} = compile:file(Simple, + [binary,makedep,{makedep_target,"$target"},makedep_quote_target| + IncludeOptions]), + ?line TargetMf2 = makedep_modify_target( + makedep_canonicalize_result(Mf5, DataDir), "$$target"), + %% Basic rule written to some file. + ?line {ok,_} = compile:file(Simple, + [makedep,{makedep_output,Target}|IncludeOptions]), + ?line {ok,Mf6} = file:read_file(Target), + ?line BasicMf2 = makedep_canonicalize_result(Mf6, DataDir), + + ?line ok = file:delete(Target), + ?line ok = file:del_dir(filename:dirname(Target)), + ?line test_server:timetrap_cancel(Dog), + ok. + +makedep_canonicalize_result(Mf, DataDir) -> + Mf0 = binary_to_list(Mf), + %% Replace the Datadir by "$(srcdir)". + Mf1 = re:replace(Mf0, DataDir, "$(srcdir)/", + [global,multiline,{return,list}]), + %% Long lines are splitted, put back everything on one line. + Mf2 = re:replace(Mf1, "\\\\\n ", "", [global,multiline,{return,list}]), + list_to_binary(Mf2). + +makedep_modify_target(Mf, Target) -> + Mf0 = binary_to_list(Mf), + Mf1 = re:replace(Mf0, Target, "$target", [{return,list}]), + list_to_binary(Mf1). + %% Tests that conditional compilation, defining values, including files work. cond_and_ifdef(Config) when is_list(Config) -> diff --git a/lib/compiler/test/compile_SUITE_data/simple-basic1.mk b/lib/compiler/test/compile_SUITE_data/simple-basic1.mk new file mode 100644 index 0000000000..4073fa82d0 --- /dev/null +++ b/lib/compiler/test/compile_SUITE_data/simple-basic1.mk @@ -0,0 +1 @@ +simple.beam: $(srcdir)/simple.erl diff --git a/lib/compiler/test/compile_SUITE_data/simple-basic2.mk b/lib/compiler/test/compile_SUITE_data/simple-basic2.mk new file mode 100644 index 0000000000..761d1d9582 --- /dev/null +++ b/lib/compiler/test/compile_SUITE_data/simple-basic2.mk @@ -0,0 +1 @@ +simple.beam: $(srcdir)/simple.erl $(srcdir)/include/simple.hrl diff --git a/lib/compiler/test/compile_SUITE_data/simple-missing.mk b/lib/compiler/test/compile_SUITE_data/simple-missing.mk new file mode 100644 index 0000000000..b13d44ec36 --- /dev/null +++ b/lib/compiler/test/compile_SUITE_data/simple-missing.mk @@ -0,0 +1 @@ +simple.beam: $(srcdir)/simple.erl $(srcdir)/include/simple.hrl generated.hrl diff --git a/lib/compiler/test/compile_SUITE_data/simple-target1.mk b/lib/compiler/test/compile_SUITE_data/simple-target1.mk new file mode 100644 index 0000000000..dd9fa0d6e5 --- /dev/null +++ b/lib/compiler/test/compile_SUITE_data/simple-target1.mk @@ -0,0 +1 @@ +$target: $(srcdir)/simple.erl $(srcdir)/include/simple.hrl diff --git a/lib/compiler/test/compile_SUITE_data/simple-target2.mk b/lib/compiler/test/compile_SUITE_data/simple-target2.mk new file mode 100644 index 0000000000..a5fc6f461d --- /dev/null +++ b/lib/compiler/test/compile_SUITE_data/simple-target2.mk @@ -0,0 +1 @@ +$$target: $(srcdir)/simple.erl $(srcdir)/include/simple.hrl diff --git a/lib/compiler/test/compile_SUITE_data/simple.erl b/lib/compiler/test/compile_SUITE_data/simple.erl index 2021056388..8e98852417 100644 --- a/lib/compiler/test/compile_SUITE_data/simple.erl +++ b/lib/compiler/test/compile_SUITE_data/simple.erl @@ -37,3 +37,7 @@ foo() -> {?included_value, ?foo_value}. -endif. + +-ifdef(include_generated). +-include("generated.hrl"). +-endif. -- cgit v1.2.3