Translate some linker flags

README.markdown

@@ -432,9 +432,21 @@ The following Unix compiler cc/gcc options are understood by cccl:
  - **-pedantic** Removed/ignored, cl.exe does not support any equivalent
  - **-std=_standard_** Converts to cl.exe' **/std:_standard_** for **c++14**, **gnu++14**, **c11**, **gnu11** and later **standard**, otherwise removed/ignored 
  - **-Wl,<option1>(,<option2>)** Options are passed to the linker
+    - **--dynamicbase** Converts to link.exe's **/DYNAMICBASE**
+    - **--disable-dynamicbase** Converts to link.exe's **/DYNAMICBASE:NO**
+    - **--gc-sections** Converts to link.exe's **/OPT:REF**
+    - **--icf** Converts to link.exe's **/OPT:ICF**
+    - **--nxcompat** Converts to link.exe's **/NXCOMPAT**
+    - **--disable-nxcompat** Converts to link.exe's **/NXCOMPAT:NO**
+    - **--high-entropy-va** Converts to link.exe's **/HIGHENTROPYVA**
+    - **--disable-high-entropy-va** Converts to link.exe's **/HIGHENTROPYVA:NO**
+    - **--out-implib** Converts to link.exe's **/IMPLIB**
  - **-Werror** Converts to cl.exe's **/WX**
  - **-W** Remaining warnings removed/ignored, please provide **/W** options for warning control
  - **-fno-strict-aliasing** Removed/ignored
+ - **-flto** Converted to **/GL**
+ - **-fdata-sections** Converted to **/Gw**
+ - **-ffunction-sections** Converted to **/Gy**
  - **-isystem** Converted to **/I**
  - **-include** Converted to **/FI**
  - **-MT** Due to conflict with cl.exe's **/MT** option, there is no support and cccl exits

cccl

@@ -101,7 +101,65 @@ for arg in $@; do
     esac
 done
 
-processargs()
+process_link_opts()
+{
+    shift # -Wl
+    while true; do
+        case $1 in
+        --)
+            break;
+            ;;
+
+        --dynamicbase)
+            linkopt+=("${slash}DYNAMICBASE")
+            ;;
+
+        --disable-dynamicbase)
+            linkopt+=("${slash}DYNAMICBASE:NO")
+            ;;
+
+        --gc-sections)
+            linkopt+=("${slash}OPT:REF")
+            ;;
+
+        --icf)
+            linkopt+=("${slash}OPT:ICF")
+            ;;
+
+        --nxcompat)
+            linkopt+=("${slash}NXCOMPAT")
+            ;;
+
+        --disable-nxcompat)
+            linkopt+=("${slash}NXCOMPAT:NO")
+            ;;
+
+        --high-entropy-va)
+            linkopt+=("${slash}HIGHENTROPYVA")
+            ;;
+
+        --disable-high-entropy-va)
+            linkopt+=("${slash}HIGHENTROPYVA:NO")
+            ;;
+
+        --out-implib)
+            shift
+            linkopt+=("${slash}IMPLIB:$1")
+            ;;
+
+        -Bshareable | -shared | --dll)
+            linkopt+=("${slash}DLL")
+            ;;
+
+        *)
+            linkopt+=("$1")
+            ;;
+        esac
+        shift
+    done
+}
+
+process_opts()
 {
 ### Run through every option and convert it to the proper MS one
 while test $# -gt 0; do
@@ -293,10 +351,8 @@ EOF
         ;;
 
     -Wl,*)
-        IFS=',' read -ra linkopt2 <<< "$(echo $1 | sed 's/-Wl,//')"
-        for linkarg in ${linkopt2[@]}; do
-            linkopt+=("${linkarg}")
-        done
+        IFS=',' read -ra linkopt2 <<< "$1"
+        process_link_opts "${linkopt2[@]}" --
         ;;
 
     -Werror)
@@ -306,8 +362,24 @@ EOF
         #ignore remaining warnings
         ;;
 
-    -fno-strict-aliasing*)
-        #ignore aliasing
+    -f*)
+        case $1 in
+        -fno-strict-aliasing*)
+            #ignore aliasing
+            ;;
+
+        -flto | -flto=*)
+            clopt+=("${slash}GL")
+            ;;
+
+        -fdata-sections)
+            clopt+=("${slash}Gw")
+            ;;
+
+        -ffunction-sections)
+            clopt+=("${slash}Gy")
+            ;;
+        esac
         ;;
 
     -isystem)
@@ -394,9 +466,7 @@ done
 
 # Whitespace in paths is dealt with by setting IFS and using bash arrays
 # Except additional arguments in CCCL_OPTIONS need to be space separated
-processargs $CCCL_OPTIONS
-IFS=""
-processargs $@
+process_opts ${CCCL_OPTIONS[@]} $@
 
 if test $shared_index -ge 0 -a -n "$debug"; then
     clopt[$shared_index]="${slash}LDd"