build: use cmake for all platforms for unibilium and libtermkey (#21926)

It's simpler to rely on the same build file, especially if there aren't
any platform-specific workarounds like in this case.

cmake.deps/cmake/BuildLibtermkey.cmake

@@ -1,27 +1,3 @@
-if(WIN32)
-  set(LIBTERMKEY_CONFIGURE_COMMAND ${CMAKE_COMMAND} -E copy
-      ${CMAKE_CURRENT_SOURCE_DIR}/cmake/libtermkeyCMakeLists.txt
-      ${DEPS_BUILD_DIR}/src/libtermkey/CMakeLists.txt
-    COMMAND ${CMAKE_COMMAND} ${DEPS_BUILD_DIR}/src/libtermkey
-      -DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
-      ${BUILD_TYPE_STRING}
-      # Hack to avoid -rdynamic in Mingw
-      -DCMAKE_SHARED_LIBRARY_LINK_C_FLAGS=""
-      -DCMAKE_GENERATOR=${CMAKE_GENERATOR}
-      -DCMAKE_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM}
-      -DUNIBILIUM_INCLUDE_DIRS=${DEPS_INSTALL_DIR}/include
-      -DUNIBILIUM_LIBRARIES=${DEPS_LIB_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}unibilium${CMAKE_STATIC_LIBRARY_SUFFIX})
-  set(LIBTERMKEY_BUILD_COMMAND ${CMAKE_COMMAND} --build . --config $<CONFIG>)
-  set(LIBTERMKEY_INSTALL_COMMAND ${CMAKE_COMMAND} --build . --target install --config $<CONFIG>)
-else()
-  find_package(PkgConfig REQUIRED)
-
-  set(LIBTERMKEY_BUILD_COMMAND "" BUILD_IN_SOURCE 1)
-  set(LIBTERMKEY_INSTALL_COMMAND ${MAKE_PRG} CC=${DEPS_C_COMPILER}
-    PREFIX=${DEPS_INSTALL_DIR} PKG_CONFIG_PATH=${DEPS_LIB_DIR}/pkgconfig
-    CFLAGS=-fPIC LDFLAGS+=-static ${DEFAULT_MAKE_CFLAGS} install)
-endif()
-
 if(USE_EXISTING_SRC_DIR)
   unset(LIBTERMKEY_URL)
 endif()
@@ -30,8 +6,17 @@ ExternalProject_Add(libtermkey
   URL_HASH SHA256=${LIBTERMKEY_SHA256}
   DOWNLOAD_NO_PROGRESS TRUE
   DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/libtermkey
-  CONFIGURE_COMMAND "${LIBTERMKEY_CONFIGURE_COMMAND}"
-  BUILD_COMMAND "${LIBTERMKEY_BUILD_COMMAND}"
-  INSTALL_COMMAND "${LIBTERMKEY_INSTALL_COMMAND}")
+  PATCH_COMMAND ${CMAKE_COMMAND} -E copy
+    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/libtermkeyCMakeLists.txt
+    ${DEPS_BUILD_DIR}/src/libtermkey/CMakeLists.txt
+  CMAKE_ARGS
+    -DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
+    -DCMAKE_SHARED_LIBRARY_LINK_C_FLAGS="" # Hack to avoid -rdynamic in Mingw
+    -DCMAKE_GENERATOR=${CMAKE_GENERATOR}
+    -DCMAKE_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM}
+    -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+    -DUNIBILIUM_INCLUDE_DIRS=${DEPS_INSTALL_DIR}/include
+    -DUNIBILIUM_LIBRARIES=${DEPS_LIB_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}unibilium${CMAKE_STATIC_LIBRARY_SUFFIX}
+    ${BUILD_TYPE_STRING})
 
 list(APPEND THIRD_PARTY_DEPS libtermkey)

cmake.deps/cmake/BuildUnibilium.cmake

@@ -1,21 +1,3 @@
-if(WIN32)
-  set(UNIBILIUM_CONFIGURE_COMMAND ${CMAKE_COMMAND} -E copy
-      ${CMAKE_CURRENT_SOURCE_DIR}/cmake/UnibiliumCMakeLists.txt
-      ${DEPS_BUILD_DIR}/src/unibilium/CMakeLists.txt
-    COMMAND ${CMAKE_COMMAND} ${DEPS_BUILD_DIR}/src/unibilium
-      -DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
-      -DCMAKE_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM}
-      ${BUILD_TYPE_STRING}
-      -DCMAKE_GENERATOR=${CMAKE_GENERATOR})
-  set(UNIBILIUM_BUILD_COMMAND ${CMAKE_COMMAND} --build . --config $<CONFIG>)
-  set(UNIBILIUM_INSTALL_COMMAND ${CMAKE_COMMAND} --build . --target install --config $<CONFIG>)
-else()
-  set(UNIBILIUM_BUILD_COMMAND ${MAKE_PRG} CC=${DEPS_C_COMPILER}
-      PREFIX=${DEPS_INSTALL_DIR} CFLAGS=-fPIC LDFLAGS+=-static
-    BUILD_IN_SOURCE 1)
-  set(UNIBILIUM_INSTALL_COMMAND ${MAKE_PRG} PREFIX=${DEPS_INSTALL_DIR} install)
-endif()
-
 if(USE_EXISTING_SRC_DIR)
   unset(UNIBILIUM_URL)
 endif()
@@ -24,8 +6,14 @@ ExternalProject_Add(unibilium
   URL_HASH SHA256=${UNIBILIUM_SHA256}
   DOWNLOAD_NO_PROGRESS TRUE
   DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/unibilium
-  CONFIGURE_COMMAND "${UNIBILIUM_CONFIGURE_COMMAND}"
-  BUILD_COMMAND "${UNIBILIUM_BUILD_COMMAND}"
-  INSTALL_COMMAND "${UNIBILIUM_INSTALL_COMMAND}")
+  PATCH_COMMAND ${CMAKE_COMMAND} -E copy
+    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/UnibiliumCMakeLists.txt
+    ${DEPS_BUILD_DIR}/src/unibilium/CMakeLists.txt
+  CMAKE_ARGS
+    -DCMAKE_GENERATOR=${CMAKE_GENERATOR}
+    -DCMAKE_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM}
+    -DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
+    -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+    ${BUILD_TYPE_STRING})
 
 list(APPEND THIRD_PARTY_DEPS unibilium)

cmake.deps/cmake/UnibiliumCMakeLists.txt

@@ -7,16 +7,18 @@ set_target_properties(unibilium PROPERTIES PUBLIC_HEADER ${PROJECT_SOURCE_DIR}/u
   VERSION "${VERSION_MAJOR}.${VERSION_MINOR}")
 
 if(NOT WIN32)
-  execute_process(COMMAND "shell ncursesw6-config --terminfo-dirs 2>/dev/null || \
+  execute_process(COMMAND sh -c "ncursesw6-config --terminfo-dirs 2>/dev/null || \
       ncurses6-config  --terminfo-dirs 2>/dev/null || \
       ncursesw5-config --terminfo-dirs 2>/dev/null || \
       ncurses5-config  --terminfo-dirs 2>/dev/null || \
       echo '/etc/terminfo:/lib/terminfo:/usr/share/terminfo:/usr/lib/terminfo:/usr/local/share/terminfo:/usr/local/lib/terminfo'"
     OUTPUT_VARIABLE TERMINFO_DIRS)
+  # Remove trailing newline
+  string(STRIP "${TERMINFO_DIRS}" TERMINFO_DIRS)
 else()
-  set(TERMINFO_DIRS "\"\"")
+  set(TERMINFO_DIRS "")
 endif()
-target_compile_definitions(unibilium PUBLIC TERMINFO_DIRS=${TERMINFO_DIRS})
+target_compile_definitions(unibilium PUBLIC "TERMINFO_DIRS=\"${TERMINFO_DIRS}\"")
 
 include(GNUInstallDirs)
 install(TARGETS unibilium