From ba9de6773ba8cf181e7a3845a22d511ab32c37b8 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Mon, 22 Sep 2025 21:13:20 -0400
Subject: [PATCH] xo-cmake: xo-build args realclean, with-opengl

---
 xo-cmake/bin/xo-build.in | 51 ++++++++++++++++++++++++++++++++--------
 1 file changed, 41 insertions(+), 10 deletions(-)

diff --git a/xo-cmake/bin/xo-build.in b/xo-cmake/bin/xo-build.in
index 378839ac..67b24cc9 100644
--- a/xo-cmake/bin/xo-build.in
+++ b/xo-cmake/bin/xo-build.in
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -euo pipefail
+
 usage() {
     cat <<EOF
 $0 [-u|--usage|-h|--help]
@@ -30,29 +32,35 @@ Options:
   --build           run cmake build for xo library NAME in immediate subdir
   --build-docs      build documentation for xo library NAME in immediate subdir
   --install         run cmake install for xo library NAME in immediate subdir
+  --realclean       nuke build directory
 
-  -S=SOURCEDIR      override path/to/source
-  -B=BUILDDIR       override path/to/build
+  -S=SOURCEDIR         override path/to/source
+  -B=BUILDDIR          override path/to/build
 
-  --with-examples   in configure step, set -DXO_ENABLE_EXAMPLES=1
-  --with-utests     in configure step, set -DENABLE_TESTING=1
-  --debug-build     in configure step, set -DCMAKE_BUILD_TYPE=Debug
+  --with-examples      in configure step, set -DXO_ENABLE_EXAMPLES=1
+  --with-utests        in configure step, set -DENABLE_TESTING=1
+  --debug-build        in configure step, set -DCMAKE_BUILD_TYPE=Debug
+  --with-opengl=FLAG   in configure step, set -DXO_ENABLE_OPENGL=FLAG [ON]
 
 EOF
 }
 
+cmd=
 noop_flag=0
 xoname=
 repo_flag=0
 clone_flag=0
 configure_flag=0
 build_flag=0
+build_docs_flag=0
 install_flag=0
+realclean_flag=0
 pathtosource=
 pathtobuild=
 with_examples=0
 with_utests=0
 debug_build=0
+with_opengl=
 
 while [[ $# > 0 ]]; do
     case "$1" in
@@ -103,6 +111,9 @@ while [[ $# > 0 ]]; do
         --install)
             install_flag=1
             ;;
+        --realclean)
+            realclean_flag=1
+            ;;
         --with-examples)
             with_examples=1
             ;;
@@ -112,6 +123,9 @@ while [[ $# > 0 ]]; do
         --debug-build)
             debug_build=1
             ;;
+        --with-opengl=*)
+            with_opengl="${1#*=}"
+            ;;
         xo-*)
             xoname="$1"
             ;;
@@ -131,7 +145,11 @@ if [[ -z "$pathtosource" ]]; then
 fi
 
 if [[ -z "$pathtobuild" ]]; then
-    pathtobuild=$xoname/.build
+    if [[ -n $xoname ]]; then
+        pathtobuild=$xoname/.build
+    else
+        pathtobuild=.build
+    fi
 fi
 
 SUBSYSTEMLIST_FILE=@CMAKE_INSTALL_FULL_DATADIR@/etc/xo/subsystem-list
@@ -142,7 +160,7 @@ subsystem_list() {
 
 XO_REPO_STEM="https://github.com/Rconybea"
 
-repo() {
+printrepo() {
     xoname=$1
 
     case "$xoname" in
@@ -189,13 +207,13 @@ fi
 
 if [[ $repo_flag -eq 1 ]]; then
     if [[ -n "$xoname" ]]; then
-        repo $xoname
+        printrepo $xoname
     fi
 fi
 
 if [[ $clone_flag -eq 1 ]]; then
     if [[ -n "$xoname" ]]; then
-        url=$(repo $xoname)
+        url=$(printrepo $xoname)
 
         cmd="git clone $url"
 
@@ -224,7 +242,12 @@ if [[ $configure_flag -eq 1 ]]; then
             cmakebuildtype="-DCMAKE_BUILD_TYPE=Debug"
         fi
 
-        cmd="cmake -DCMAKE_INSTALL_PREFIX=@CMAKE_INSTALL_PREFIX@ -DCMAKE_MODULE_PATH=@CMAKE_INSTALL_PREFIX@/share/cmake -S $pathtosource -B $pathtobuild ${testingarg} ${examplearg} ${cmakebuildtype}"
+        openglarg=
+        if [[ -n $with_opengl ]]; then
+            openglarg="-DXO_ENABLE_OPENGL=${with_opengl}"
+        fi
+
+        cmd="cmake -DCMAKE_INSTALL_PREFIX=@CMAKE_INSTALL_PREFIX@ -DCMAKE_MODULE_PATH=@CMAKE_INSTALL_PREFIX@/share/cmake -S $pathtosource -B $pathtobuild ${testingarg} ${examplearg} ${openglarg} ${cmakebuildtype}"
 
         if [[ $noop_flag -eq 1 ]]; then
             echo $cmd
@@ -269,3 +292,11 @@ if [[ $install_flag -eq 1 ]]; then
         fi
     fi
 fi
+
+if [[ $realclean_flag -eq 1 ]]; then
+    if [[ $noop_flag -eq 1 ]]; then
+        echo "rm -rf $pathtobuild"
+    else
+        rm -rf "${pathtobuild}"
+    fi
+fi