rust: add build profiles more aligned with ninja profiles

A cargo profile is created for each of build modes: dev, debug,
sanitize, realease and coverage. The names of cargo profiles are
prefixed by "rust-" because cargo does not allow separate "dev"
and "debug" profiles.

configure.py

@@ -1887,7 +1887,7 @@ def configure_abseil(build_dir, mode, mode_config):
               pool = console
               description = TEST {mode}
             rule rust_lib.{mode}
-              command = CARGO_HOME=build/{mode}/rust/.cargo cargo build --release --manifest-path=rust/Cargo.toml --target-dir=build/{mode}/rust
+              command = CARGO_HOME=build/{mode}/.cargo cargo build --manifest-path=rust/Cargo.toml --target-dir=build/{mode} --profile=rust-{mode}
               description = RUST_LIB $out
             ''').format(mode=mode, antlr3_exec=antlr3_exec, fmt_lib=fmt_lib, test_repeat=test_repeat, test_timeout=test_timeout, **modeval))
         f.write(
@@ -1942,7 +1942,7 @@ def configure_abseil(build_dir, mode, mode_config):
                 ]])
                 objs.append('$builddir/' + mode + '/gen/utils/gz/crc_combine_table.o')
                 if has_rust:
-                    objs.append('$builddir/' + mode +'/rust/release/librust_combined.a')
+                    objs.append('$builddir/' + mode +'/rust-' + mode + '/librust_combined.a')
                 if binary in tests:
                     local_libs = '$seastar_libs_{} $libs'.format(mode)
                     if binary in pure_boost_tests:
@@ -2058,7 +2058,7 @@ def configure_abseil(build_dir, mode, mode_config):
             obj = cc.replace('.cc', '.o')
             f.write('build {}: cxx.{} {}\n'.format(obj, mode, cc))
         f.write('build {}: cxxbridge_header\n'.format('$builddir/{}/gen/rust/cxx.hh'.format(mode)))
-        librust = '$builddir/{}/rust/release/librust_combined.a'.format(mode)
+        librust = '$builddir/{}/rust-{}/librust_combined.a'.format(mode, mode)
         librs_to_toml = lambda rs: rs.replace('src/lib.rs', 'Cargo.toml')
         rustsrcs = [ 'rust/src/lib.rs', 'rust/Cargo.toml' ] + list(rust_headers.values()) + list(map(librs_to_toml, rust_headers.values()))
         f.write('build {}: rust_lib.{} {}\n'.format(librust, mode, str.join(' ', rustsrcs)))

rust/Cargo.toml

@@ -9,3 +9,31 @@ inc = { path = "inc", version = "0.1.0" }
 
 [lib]
 crate-type = ["staticlib"]
+
+[profile.rust-dev]
+inherits = "dev"
+opt-level = 2
+debug = false
+overflow-checks = false
+debug-assertions = false
+strip = "symbols"
+
+[profile.rust-debug]
+inherits = "dev"
+opt-level = 1
+overflow-checks = false
+incremental = false
+
+[profile.rust-sanitize]
+inherits = "dev"
+opt-level = 2
+incremental = false
+
+[profile.rust-release]
+inherits = "release"
+
+[profile.rust-coverage]
+inherits = "dev"
+opt-level = 1
+overflow-checks = false
+incremental = false