Enabled install when building with emscripten. (#906)

* Enabled install when building with emscripten.

* Also install the pkg-config files.

Author: dlemstra

CMakeLists.txt

@@ -219,19 +219,20 @@ add_executable(brotli ${BROTLI_CLI_C})
 target_link_libraries(brotli ${BROTLI_LIBRARIES_STATIC})
 
 # Installation
-if(NOT BROTLI_EMSCRIPTEN)
 if(NOT BROTLI_BUNDLED_MODE)
   install(
     TARGETS brotli
     RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
   )
 
-  install(
-    TARGETS ${BROTLI_LIBRARIES_CORE}
-    ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
-    LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
-    RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
-  )
+  if(NOT BROTLI_EMSCRIPTEN)
+    install(
+      TARGETS ${BROTLI_LIBRARIES_CORE}
+      ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+      LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+      RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+    )
+  endif()  # BROTLI_EMSCRIPTEN
 
   install(
     TARGETS ${BROTLI_LIBRARIES_CORE_STATIC}
@@ -245,7 +246,6 @@ if(NOT BROTLI_BUNDLED_MODE)
     DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
   )
 endif()  # BROTLI_BUNDLED_MODE
-endif()  # BROTLI_EMSCRIPTEN
 
 # Tests
 
@@ -405,7 +405,6 @@ transform_pc_file("scripts/libbrotlidec.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/libb
 
 transform_pc_file("scripts/libbrotlienc.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/libbrotlienc.pc" "${BROTLI_VERSION}")
 
-if(NOT BROTLI_EMSCRIPTEN)
 if(NOT BROTLI_BUNDLED_MODE)
   install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libbrotlicommon.pc"
     DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
@@ -414,7 +413,6 @@ if(NOT BROTLI_BUNDLED_MODE)
   install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libbrotlienc.pc"
     DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
 endif()  # BROTLI_BUNDLED_MODE
-endif()  # BROTLI_EMSCRIPTEN
 
 if (ENABLE_COVERAGE STREQUAL "yes")
   SETUP_TARGET_FOR_COVERAGE(coverage test coverage)