chore(ci): fix C API build system to manage profiles other than release

Makefile

@@ -243,16 +243,20 @@ test_boolean: install_rs_build_toolchain
 	RUSTFLAGS="$(RUSTFLAGS)" cargo $(CARGO_RS_BUILD_TOOLCHAIN) test --profile $(CARGO_PROFILE) \
 		--features=$(TARGET_ARCH_FEATURE),boolean -p tfhe -- boolean::
 
-.PHONY: test_c_api # Run the tests for the C API
-test_c_api: install_rs_check_toolchain 
+.PHONY: test_c_api_rs # Run the rust tests for the C API
+test_c_api_rs: install_rs_check_toolchain
 	RUSTFLAGS="$(RUSTFLAGS)" cargo $(CARGO_RS_CHECK_TOOLCHAIN) test --profile $(CARGO_PROFILE) \
 		--features=$(TARGET_ARCH_FEATURE),boolean-c-api,shortint-c-api,high-level-c-api \
 		-p tfhe \
 		c_api
-	
-	"$(MAKE)" build_c_api
+
+.PHONY: test_c_api_c # Run the C tests for the C API
+test_c_api_c: build_c_api
 	./scripts/c_api_tests.sh
 
+.PHONY: test_c_api # Run all the tests for the C API
+test_c_api: test_c_api_rs test_c_api_c
+
 .PHONY: test_shortint_ci # Run the tests for shortint ci
 test_shortint_ci: install_rs_build_toolchain install_cargo_nextest
 	BIG_TESTS_INSTANCE="$(BIG_TESTS_INSTANCE)" \

scripts/c_api_tests.sh

@@ -40,7 +40,7 @@ mkdir -p "${TFHE_BUILD_DIR}"
 
 cd "${TFHE_BUILD_DIR}"
 
-cmake .. -DCMAKE_BUILD_TYPE=RELEASE
+cmake .. -DCMAKE_BUILD_TYPE=RELEASE -DCARGO_PROFILE="${CARGO_PROFILE}"
 
 make -j
 

tfhe/build.rs

@@ -7,6 +7,18 @@ fn gen_c_api() {
         return;
     }
 
+    fn get_build_profile_name() -> String {
+        // The profile name is always the 3rd last part of the path (with 1 based indexing).
+        // e.g. /code/core/target/cli/build/my-build-info-9f91ba6f99d7a061/out
+        let out_dir = std::env::var("OUT_DIR")
+            .expect("OUT_DIR is not set, cannot determine build profile, aborting");
+        out_dir
+            .split(std::path::MAIN_SEPARATOR)
+            .nth_back(3)
+            .expect("Cannot determine build profile, aborting")
+            .to_string()
+    }
+
     /// Find the location of the `target/` directory. Note that this may be
     /// overridden by `cmake`, so we also need to check the `CARGO_TARGET_DIR`
     /// variable.
@@ -14,7 +26,8 @@ fn gen_c_api() {
         if let Ok(target) = env::var("CARGO_TARGET_DIR") {
             PathBuf::from(target)
         } else {
-            PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap()).join("../target/release")
+            PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap())
+                .join(format!("../target/{}", get_build_profile_name()))
         }
     }
 

tfhe/c_api_tests/CMakeLists.txt

@@ -2,7 +2,10 @@ project(tfhe-c-api-tests)
 
 cmake_minimum_required(VERSION 3.16)
 
-set(TFHE_C_API_RELEASE "${CMAKE_CURRENT_SOURCE_DIR}/../../target/release/")
+if(NOT CARGO_PROFILE)
+    set(CARGO_PROFILE release)
+endif()
+set(TFHE_C_API_RELEASE "${CMAKE_CURRENT_SOURCE_DIR}/../../target/${CARGO_PROFILE}")
 
 include_directories(${TFHE_C_API_RELEASE})
 add_library(Tfhe STATIC IMPORTED)