Improve CMake scripts, add workaround for CentOS 7 and remove unused include

src/algorithms/signal_generator/adapters/CMakeLists.txt

@@ -26,11 +26,12 @@ endif()
 target_link_libraries(signal_generator_adapters
     PUBLIC
         Gnuradio::blocks
+        Gnuradio::pmt
         signal_generator_gr_blocks
     PRIVATE
         Gflags::gflags
         Glog::glog
-        algorithms_libs
+        core_system_parameters
 )
 
 target_include_directories(signal_generator_adapters

src/algorithms/signal_generator/gnuradio_blocks/CMakeLists.txt

@@ -26,15 +26,10 @@ endif()
 target_link_libraries(signal_generator_gr_blocks
     PUBLIC
         Gnuradio::runtime
-        core_system_parameters
     PRIVATE
-        Volkgnsssdr::volkgnsssdr
         algorithms_libs
-)
-
-target_include_directories(signal_generator_gr_blocks
-    PUBLIC
-        ${CMAKE_SOURCE_DIR}/src/algorithms/libs
+        core_system_parameters
+        Volkgnsssdr::volkgnsssdr
 )
 
 if(GNURADIO_USES_STD_POINTERS)
@@ -43,6 +38,16 @@ if(GNURADIO_USES_STD_POINTERS)
     )
 endif()
 
+# Workaround for CentOS 7
+if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") AND
+    (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.0"))
+    target_compile_options(signal_generator_gr_blocks
+       PRIVATE
+          $<$<CONFIG:Release>:-O0>
+          $<$<CONFIG:RelWithDebInfo>:-O0>
+    )
+endif()
+
 if(ENABLE_CLANG_TIDY)
     if(CLANG_TIDY_EXE)
         set_target_properties(signal_generator_gr_blocks

src/algorithms/signal_generator/gnuradio_blocks/signal_generator_c.h

@@ -20,7 +20,6 @@
 #ifndef GNSS_SDR_SIGNAL_GENERATOR_C_H
 #define GNSS_SDR_SIGNAL_GENERATOR_C_H
 
-#include "gnss_signal.h"
 #include <gnuradio/block.h>
 #include <random>
 #include <string>