Libc (FreeBSD): detect FBSD version

CMakeLists.txt

@@ -495,7 +495,7 @@ elseif(BSD)
         src/detection/host/host_bsd.c
         src/detection/lm/lm_linux.c
         src/detection/icons/icons_linux.c
-        src/detection/libc/libc_nosupport.c
+        src/detection/libc/libc_bsd.c
         src/detection/localip/localip_linux.c
         src/detection/gamepad/gamepad_bsd.c
         src/detection/media/media_linux.c
@@ -677,6 +677,13 @@ if(APPLE AND EXISTS "/usr/bin/otool")
         target_compile_definitions(libfastfetch PUBLIC FF_LIBSYSTEM_VERSION="${CMAKE_MATCH_1}")
     endif()
 endif()
+if(BSD AND EXISTS "/usr/local/bin/objdump")
+    execute_process(COMMAND /bin/sh -c "/usr/local/bin/objdump -T /lib/libc.so.* | grep 'FBSD_[^ )]*' -o | sort -Vru | head -1"
+                    OUTPUT_VARIABLE OBJDUMP_T_RESULT)
+    if("${OBJDUMP_T_RESULT}" MATCHES "FBSD_([0-9]+\\.[0-9]+)")
+        target_compile_definitions(libfastfetch PUBLIC FF_FBSD_VERSION="${CMAKE_MATCH_1}")
+    endif()
+endif()
 
 target_compile_definitions(libfastfetch PUBLIC _GNU_SOURCE _XOPEN_SOURCE __STDC_WANT_LIB_EXT1__=1)
 if(WIN32)

src/detection/libc/libc_bsd.c

@@ -0,0 +1,13 @@
+#include "libc.h"
+
+const char* ffDetectLibc(FFLibcResult* result)
+{
+    result->name = "FBSD";
+
+#ifdef FF_FBSD_VERSION
+    result->version = FF_FBSD_VERSION;
+#else
+    result->version = NULL;
+#endif
+    return NULL;
+}

src/detection/libc/libc_nosupport.c

@@ -1,9 +0,0 @@
-#include "libc.h"
-
-#define FF_STR_INDIR(x) #x
-#define FF_STR(x) FF_STR_INDIR(x)
-
-const char* ffDetectLibc(FF_MAYBE_UNUSED FFLibcResult* result)
-{
-    return "Not supported on this platform";
-}