cmake,pc: fix static library build (#1036)

CMakeLists.txt

@@ -656,6 +656,9 @@ if(LIBRE_BUILD_STATIC)
 
   if(MSVC)
     set_target_properties(re PROPERTIES OUTPUT_NAME "re-static")
+    if(NOT LIBRE_BUILD_SHARED)
+      set(PC_LIBNAME "re-static")
+    endif()
   endif()
 endif()
 
@@ -668,6 +671,28 @@ if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
   add_subdirectory(packaging)
 endif()
 
+if(NOT PC_LIBNAME)
+  set(PC_LIBNAME "re")
+endif()
+set(PC_REQUIRES "")
+set(PC_LINKLIBS "")
+foreach(item IN LISTS RE_LIBS)
+  if(item STREQUAL "Threads::Threads")
+    list(APPEND PC_LINKLIBS ${CMAKE_THREADS_LIBS_INIT})
+  elseif(item STREQUAL "OpenSSL::Crypto")
+    list(APPEND PC_REQUIRES "libcrypto")
+  elseif(item STREQUAL "OpenSSL::SSL")
+    list(APPEND PC_REQUIRES "libssl")
+  elseif(item STREQUAL "ZLIB::ZLIB")
+    list(APPEND PC_REQUIRES "zlib")
+  elseif(item MATCHES "^-|/")
+    list(APPEND PC_LINKLIBS "${item}")
+  else()
+    list(APPEND PC_LINKLIBS "-l${item}")
+  endif()
+endforeach()
+list(JOIN PC_LINKLIBS " " PC_LINKLIBS)
+list(JOIN PC_REQUIRES " " PC_REQUIRES)
 configure_file(packaging/libre.pc.in libre.pc @ONLY)
 
 

packaging/libre.pc.in

@@ -7,6 +7,7 @@ Name: libre
 Description: @CMAKE_PROJECT_DESCRIPTION@
 Version: @PROJECT_VERSION@
 URL: @CMAKE_PROJECT_HOMEPAGE_URL@
-Libs: -L${libdir} -lre
-Libs.private: -L${libdir} -lre -ldl -lssl -lcrypto -lz -lpthread
+Libs: -L${libdir} -l@PC_LIBNAME@
+Libs.private: @PC_LINKLIBS@
+Requires.private: @PC_REQUIRES@
 Cflags: -I${includedir}