sci-electronics/circt: improve ebuild style

Optimized and improved according to @tastytea suggestions

See also: bfcb1aadad
Signed-off-by: Huang Rui <vowstar@gmail.com>

sci-electronics/circt/circt-1.14.0.ebuild

@@ -3,10 +3,9 @@
 
 EAPI="8"
 
-MY_PV="$(ver_cut 1)/$(ver_cut 2)/$(ver_cut 3)"
+MY_PV="${PV//./\/}"
 MY_LLVM_PV="fe0f72d5c55a9b95c5564089e946e8f08112e995"
 CMAKE_BUILD_TYPE="Release"
-CMAKE_MAKEFILE_GENERATOR="ninja"
 PYTHON_COMPAT=( python3_{8..11} )
 inherit cmake python-r1
 
@@ -54,7 +53,6 @@ DEPEND="
 "
 
 BDEPEND="
-	dev-util/ninja
 	virtual/pkgconfig
 "
 
@@ -68,19 +66,19 @@ src_configure() {
 	python_setup
 
 	local mycmakeargs=(
-		-D Python3_EXECUTABLE="${PYTHON}" \
-		-D CMAKE_INSTALL_PREFIX=/usr \
-		-D LLVM_BINUTILS_INCDIR=/usr/include \
-		-D LLVM_ENABLE_PROJECTS=mlir \
-		-D BUILD_SHARED_LIBS=OFF \
-		-D LLVM_STATIC_LINK_CXX_STDLIB=ON \
-		-D LLVM_ENABLE_ASSERTIONS=ON \
-		-D LLVM_BUILD_EXAMPLES=OFF \
-		-D LLVM_ENABLE_BINDINGS=OFF \
-		-D LLVM_ENABLE_OCAMLDOC=OFF \
-		-D LLVM_OPTIMIZED_TABLEGEN=ON \
-		-D LLVM_EXTERNAL_PROJECTS=circt \
-		-D LLVM_EXTERNAL_CIRCT_SOURCE_DIR="${S_CIRCT}" \
+		-D Python3_EXECUTABLE="${PYTHON}"
+		-D CMAKE_INSTALL_PREFIX=/usr
+		-D LLVM_BINUTILS_INCDIR=/usr/include
+		-D LLVM_ENABLE_PROJECTS=mlir
+		-D BUILD_SHARED_LIBS=OFF
+		-D LLVM_STATIC_LINK_CXX_STDLIB=ON
+		-D LLVM_ENABLE_ASSERTIONS=ON
+		-D LLVM_BUILD_EXAMPLES=OFF
+		-D LLVM_ENABLE_BINDINGS=OFF
+		-D LLVM_ENABLE_OCAMLDOC=OFF
+		-D LLVM_OPTIMIZED_TABLEGEN=ON
+		-D LLVM_EXTERNAL_PROJECTS=circt
+		-D LLVM_EXTERNAL_CIRCT_SOURCE_DIR="${S_CIRCT}"
 		-D LLVM_BUILD_TOOLS=ON
 	)
 	cmake_src_configure