update configure

configure

@@ -605,8 +605,7 @@ PACKAGE_STRING=''
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
-ac_subst_vars='RSCRIPT
-RUSTC
+ac_subst_vars='RUSTC
 target_alias
 host_alias
 build_alias
@@ -1790,67 +1789,33 @@ if ! command -v cargo &> /dev/null; then
 fi
 
 # Check for Rscript
-# Extract the first word of "Rscript", so it can be a program name with args.
-set dummy Rscript; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_path_RSCRIPT+y}
-then :
-  printf %s "(cached) " >&6
-else case e in #(
-  e) case $RSCRIPT in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_RSCRIPT="$RSCRIPT" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
-    ac_cv_path_RSCRIPT="$as_dir$ac_word$ac_exec_ext"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  ;;
-esac ;;
-esac
-fi
-RSCRIPT=$ac_cv_path_RSCRIPT
-if test -n "$RSCRIPT"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $RSCRIPT" >&5
-printf "%s\n" "$RSCRIPT" >&6; }
-else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+if test -z "$R_HOME"; then
+    echo "----------------------- R_HOME NOT SET------------------------"
+    echo "The 'R_HOME' environment variable is not set. Please make sure R"
+    echo "is installed and set the R_HOME environment variable."
+    echo "-------------------------------------------------------------------"
+    echo ""
+    exit 1
 fi
 
+RSCRIPT="${R_HOME}/bin/Rscript"
 
-if test -z "$RSCRIPT"; then
-    echo "----------------------- RSCRIPT NOT FOUND------------------------"
-    echo "The 'Rscript' interpreter was not found on the PATH. Please make sure R"
-    echo "is installed and in your PATH."
-    echo "-------------------------------------------------------------------"
+# Check if Rscript is executable
+if ! test -x "$RSCRIPT"; then
+    echo "----------------------- RSCRIPT NOT EXECUTABLE------------------------"
+    echo "The 'Rscript' executable is not found or not executable. Please make sure R"
+    echo "is installed correctly and 'Rscript' is executable."
+    echo "--------------------------------------------------------------------------"
     echo ""
     exit 1
 fi
 
 # Output status
-echo "Rust is installed, Cargo is found, and Rscript is found."
+echo "Rust is installed, Cargo is found, R_HOME is set, and Rscript is found."
 echo "Running tools/get-deps.R script..."
 
 # Execute the get-deps.R script
-if ! $RSCRIPT ./tools/get-deps.R; then
+if ! "$RSCRIPT" ./tools/get-deps.R; then
     echo "Error: Failed to execute tools/get-deps.R."
     exit 1
 fi

configure.ac

@@ -36,22 +36,33 @@ if ! command -v cargo &> /dev/null; then
 fi
 
 # Check for Rscript
-AC_PATH_PROG([RSCRIPT], [Rscript])
-if test -z "$RSCRIPT"; then
-    echo "----------------------- [RSCRIPT NOT FOUND]------------------------"
-    echo "The 'Rscript' interpreter was not found on the PATH. Please make sure R"
-    echo "is installed and in your PATH."
+if test -z "$R_HOME"; then
+    echo "----------------------- [R_HOME NOT SET]------------------------"
+    echo "The 'R_HOME' environment variable is not set. Please make sure R"
+    echo "is installed and set the R_HOME environment variable."
     echo "-------------------------------------------------------------------"
     echo ""
     exit 1
 fi
 
+RSCRIPT="${R_HOME}/bin/Rscript"
+
+# Check if Rscript is executable
+if ! test -x "$RSCRIPT"; then
+    echo "----------------------- [RSCRIPT NOT EXECUTABLE]------------------------"
+    echo "The 'Rscript' executable is not found or not executable. Please make sure R"
+    echo "is installed correctly and 'Rscript' is executable."
+    echo "--------------------------------------------------------------------------"
+    echo ""
+    exit 1
+fi
+
 # Output status
-echo "Rust is installed, Cargo is found, and Rscript is found."
+echo "Rust is installed, Cargo is found, R_HOME is set, and Rscript is found."
 echo "Running tools/get-deps.R script..."
 
 # Execute the get-deps.R script
-if ! $RSCRIPT ./tools/get-deps.R; then
+if ! "$RSCRIPT" ./tools/get-deps.R; then
     echo "Error: Failed to execute tools/get-deps.R."
     exit 1
 fi