Build with X86;RICSV by default

README.md

@@ -44,16 +44,16 @@ The following components are mandatory for building HPVM:
     conda activate hpvm
     ```
 
-1. Change directory to `./hpvm` in the repo and run the installer with recommended options:
+1. Change directory to `./hpvm` in the repo and run the installer:
 
     ```bash
-    cd hpvm/; ./install.sh -t "X86"
+    cd hpvm/; ./install.sh
     ```
 
     This will download additional dependencies, configure HPVM and build HPVM.
 
     - If you have `ninja` installed (in the place of `make`),
-      you may use `./install.sh --ninja -t "X86"` to build HPVM with ninja.
+      you may use `./install.sh --ninja` to build HPVM with ninja.
 
 ### Generating NVDLA Buffer from PyTorch DNN
 

hpvm/scripts/hpvm_installer.py

@@ -68,12 +68,11 @@ def parse_args(args=None):
         "-t",
         "--targets",
         type=str,
-        default="all",
+        default="X86;RISCV",
         help="Build target(s) for LLVM such as X86, ARM. "
-        'Use semicolon to separate multiple targets such as "X86;ARM". '
-        'Defaults to "all" which is to build all supported targets. '
+        'Use semicolon to separate multiple targets such as "X86;RISCV". Defaults to "X86;RISCV".'
         "Supported targets: AArch64, AMDGPU, ARM, BPF, Hexagon, Mips, MSP430, NVPTX, PowerPC, "
-        "Sparc, SystemZ, X86, XCore.",
+        'Sparc, SystemZ, X86, XCore. Use "all" to build all supported targets.',
     )
     parser.add_argument(
         "--ninja",
@@ -107,7 +106,7 @@ def prompt_args():
         return v
 
     def parse_targets(s: str):
-        if " " in s:
+        if " " in s or not s:
             return None
         return s
 
@@ -131,7 +130,7 @@ def prompt_args():
         "These build targets are supported: AArch64, AMDGPU, ARM, BPF, Hexagon, "
         "Mips, MSP430, NVPTX, PowerPC, Sparc, SystemZ, X86, XCore.\n"
         "If building for multiple targets, seperate options with semicolon:\n"
-        "e.g. X86;ARM"
+        "e.g. X86;RISCV"
     )
     args.targets = input_with_check(
         "Build target: ", parse_targets, "Input shouldn't contain space"