build(mk): updated auto build script

.gitignore

@@ -72,3 +72,4 @@ output/
 
 .boost_installed
 4DSSE_logs/
+.last_build_flags

mk

@@ -5,9 +5,11 @@ set -e
 # --- Defaults ---
 userFlag=0
 testsFlag=0
+runTestsFlag=0
 buildDir="build"
 installDir="$HOME/.local/4DSSE"
 
+
 # --- Help Menu ---
 show_help() {
   cat <<EOF
@@ -15,7 +17,8 @@ Usage: $(basename "$0") [OPTIONS]
 
 Options:
   --user         Build and Install as a release for. Intended for end users.
-  --tests        Build and run tests.
+  --noBuildTest  Do not build tests.
+  --runTest      Run tests.
   --buildDir     Specify the build directory. Default is "${buildDir}".
   --installDir   Specify the install directory. Default is "${installDir}".
   -h, --help     Show this help message and exit
@@ -39,10 +42,14 @@ while [[ $# -gt 0 ]]; do
       userFlag=1
       shift
       ;;
-    --tests)
+    --noTest)
       testsFlag=1
       shift
       ;;
+    --runTest)
+      runTestsFlag=1
+      shift
+      ;;
     --buildDir)
       buildDir=1
       shift
@@ -67,6 +74,7 @@ RED="\033[0;31m"
 GREEN="\033[0;32m"
 YELLOW="\033[0;33m"
 BLUE="\033[0;34m"
+MAGENTA="\033[0;35m"
 NC="\033[0m"  # No Color
 
 # Log file.
@@ -75,7 +83,7 @@ if [[ ! -d "$LOGDIR" ]]; then
   echo -e "${BLUE}[Info] Creating log directory...${NC}"
   mkdir "$LOGDIR"
 else
-  echo -e "${BLUE}[Info] Log directory already exists. Skipping...${NC}"
+  echo -e "${MAGENTA}[Succsess] Log directory already exists. Skipping...${NC}"
 fi
 LOGFILE="${LOGDIR}/4DSSE-install-log.txt"
 
@@ -97,6 +105,16 @@ if [[ -f "$LOGFILE" ]]; then
 fi
 touch "$LOGFILE"
 
+# --- Check if MESON is installed ---
+log "${BLUE}[Info] Checking if Meson is installed...${NC}"
+if ! command -v meson &> /dev/null; then
+  log "${RED}[Error] Meson is not installed. Exiting...${NC}"
+  log "${YELLOW}[Info] Please install Meson and try again.${NC}"
+  exit 1
+else
+  log "${MAGENTA}[Success] Meson is installed. Continuing...${NC}"
+fi
+
 # --- Build 4DSSE ---
 log "${BLUE}[Info] Building 4DSSE...${NC}"
 if [[ $userFlag -eq 1 ]]; then
@@ -105,7 +123,7 @@ else
   log "${BLUE}[Info] Installing 4DSSE for developers...${NC}"
 fi
 
-if [[ $testsFlag -eq 1 ]]; then
+if [[ $testsFlag -eq 0 ]]; then
   log "${BLUE}[Info] Building with tests...${NC}"
 else
   log "${BLUE}[Info] Building without tests...${NC}"
@@ -115,7 +133,7 @@ fi
 log "${BLUE}[Info] Checking Boost status...${NC}"
 # if the following script exists with anything other than a 0 status the script will exit
 if [[ -f ./build-config/boost/.boost_installed ]]; then
-  log "${BLUE}[Info] Boost already installed. Skipping...${NC}"
+  log "${MAGENTA}[Succsess] Boost already installed. Skipping...${NC}"
 else
   log "${BLUE}[Info] Installing Boost...${NC}"
   if ! ./build-config/boost/install.sh; then
@@ -127,21 +145,62 @@ else
   fi
 fi
 
-# --- Check if the build dir has been configured with the correct flags ---
+#check if the last build flags are the same as the current build flags
-log "${BLUE}[Info] Configuring build directory...${NC}"
+# if the flags are the same skip the configuration step
-if [ -f "$buildDir/build.ninja" ]; then
+# if they are different then reconfigure the build directory
-  log "${BLUE}[Info] Build directory already configured. Skipping...${NC}"
+
-else
+# do not use grep -oP as it is not POSIX compliant
-  if [[ $userFlag -eq 1 ]]; then
+
-    meson setup "$buildDir" -Duser_mode=true --buildtype=release 
+doReconfigure=1
+
+log "${BLUE}[Info] Checking last build flags...${NC}"
+if [[ -f $buildDir/.last_build_flags ]]; then
+  lastUserFlag=$(grep -Eo 'userFlag=[0-9]+' $buildDir/.last_build_flags | cut -d'=' -f2)
+  lastTestsFlag=$(grep -Eo 'testsFlag=[0-9]+' $buildDir/.last_build_flags | cut -d'=' -f2)
+  if [[ $lastUserFlag -eq $userFlag && $lastTestsFlag -eq $testsFlag ]]; then
+    log "${MAGENTA}[Succsess] Last build flags match current build flags. Skipping configuration...${NC}"
+    doReconfigure=0
   else
-    if [[ $testsFlag -eq 1 ]]; then
+    log "${YELLOW}[Info] Last build flags do not match current build flags. Reconfiguring...${NC}"
-      meson setup "$buildDir" --buildtype=debug 
+    rm -rf $buildDir
-    else
-      meson setup "$buildDir" --buildtype=debug -Dbuild_tests=false
-    fi
   fi
-  log "${GREEN}[Success] Build directory configured successfully.${NC}"
+else
+  log "${BLUE}[Info] Last build flags not found. Reconfiguring...${NC}"
+fi
+
+
+# --- Check if the build dir has been configured with the correct flags ---
+if [[ $doReconfigure -eq 1 ]]; then
+  log "${BLUE}[Info] Configuring build directory...${NC}"
+  if [ -f "$buildDir/build.ninja" ]; then
+    log "${MAGENTA}[Succsess] Build directory already configured. Skipping...${NC}"
+  else
+    if [[ $userFlag -eq 1 ]]; then
+      meson setup "$buildDir" -Duser_mode=true --buildtype=release 
+    else
+      if [[ $testsFlag -eq 0 ]]; then
+        meson setup "$buildDir" --buildtype=debug 
+      else
+        meson setup "$buildDir" --buildtype=debug -Dbuild_tests=false
+      fi
+    fi
+    log "${GREEN}[Success] Build directory configured successfully.${NC}"
+  fi
+  log "${BLUE}[Info] Caching last build flags...${NC}"
+
+  # --- Cache the last build flags ---
+  if [[ $userFlag -eq 1 ]]; then
+    echo "userFlag=1" > $buildDir/.last_build_flags
+  else
+    echo "userFlag=0" > $buildDir/.last_build_flags
+  fi
+  if [[ $testsFlag -eq 1 ]]; then
+    echo "testsFlag=1" >> $buildDir/.last_build_flags
+  else
+    echo "testsFlag=0" >> $buildDir/.last_build_flags
+  fi
+
+  log "${GREEN}[Success] Last build flags cached.${NC}"
 fi
 
 log "${BLUE}[Info] Building 4DSSE...${NC}"
@@ -150,10 +209,10 @@ meson compile -C "$buildDir"
 # --- Install 4DSSE ---
 if [[ $userFlag -eq 1 ]]; then
   log "${BLUE}[Info] Installing 4DSSE in user mode...${NC}"
-  meson install -C "$buildDir" --no-rebuild --prefix="$installDir"
+  meson install -C "$buildDir"
 fi
 
-if [[ $testsFlag -eq 1 ]]; then
+if [[ $runTestsFlag -eq 1 ]]; then
   log "${BLUE}[Info] Running tests...${NC}"
   meson test -C "$buildDir"
 fi
@@ -162,4 +221,7 @@ if [[ $userFlag -eq 1 ]]; then
   log "${GREEN}[Success] 4DSSE built and installed successfully.${NC}"
 else
   log "${GREEN}[Success] 4DSSE built successfully.${NC}"
-fi
+fi
+
+
+log "${GREEN}[Success] 4DSSE mk script complete.${NC}"