From f8e0a40bcd0b39ebfd62a65686fed3d815035a6f Mon Sep 17 00:00:00 2001
From: Johannes Pietrzyk <40020979+JPietrzykTUD@users.noreply.github.com>
Date: Fri, 6 Sep 2024 11:34:06 +0200
Subject: [PATCH] Update detect_flags.sh

---
 detect_flags.sh | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/detect_flags.sh b/detect_flags.sh
index fabcdb7..5862545 100755
--- a/detect_flags.sh
+++ b/detect_flags.sh
@@ -41,7 +41,7 @@ else
 
     if [[ -f $gcc_exe && -x $gcc_exe ]]; then
         gcc_output=$(eval $gcc_exe -E - -march=native -### 2>&1)
-        parsed_flags=$(parse_flags "gcc" "$gcc_output")
+	parsed_flags=$(parse_flags "gcc" "$gcc_output" | sed "s/\./_/g")
 
         # Parse whitespace-separated string into an array
         IFS=' ' read -r -a parsed_array <<< "$parsed_flags"
@@ -77,11 +77,11 @@ else
             continue
         else
             echo "Could not detect the current operating system. Aborting."
-            exit 1
+            # exit 1
         fi
 
         clang_output=$(eval $clang_exe -E - $arch_string -### 2>&1)
-        parsed_flags=$(parse_flags "clang" "$clang_output")
+        parsed_flags=$(parse_flags "clang" "$clang_output" | sed "s/\./_/g")
 
         # Parse whitespace-separated string into an array
         IFS=' ' read -r -a parsed_array <<< "$parsed_flags"
@@ -95,9 +95,14 @@ else
             fi
         done
     fi
-
+    
+    if [ -z "{flag_set}" ]; then
+	echo "Could not determine any flags"
+	exit 1
+    fi
+    
     IFS=$'\n' sorted=($(sort <<<"${flag_set[*]}"))
     unset IFS
     printf "%s " "${sorted[@]}"
     printf "\n"
-fi
\ No newline at end of file
+fi