Add configuration script to choose install paths and default C compiler

and bake those into the compiled Tomo code

1 files changed, 44 insertions, 0 deletions

diff --git a/configure.sh b/configure.sh
new file mode 100755
index 00000000..9ad06fb0
--- /dev/null
+++ b/configure.sh
@@ -0,0 +1,44 @@
+#!/bin/env bash
+
+# if [ "$1" = '--lazy' -a ! -f 'config.mk' ]; then
+#     echo "Already configured!"
+#     exit 0
+# fi
+
+error() {
+    printf "\033[31;1m%s\033[m\n" "$@"
+    exit 1
+}
+
+default_prefix='/usr/local'
+if echo "$PATH" | tr ':' '\n' | grep -qx "$HOME/.local/bin"; then
+    default_prefix="~/.local"
+fi
+
+printf '\033[1mChoose where to install Tomo (default: %s):\033[m ' "$default_prefix"
+read PREFIX
+if [ -z "$PREFIX" ]; then PREFIX="$default_prefix"; fi
+PREFIX="${PREFIX/#\~/$HOME}"
+
+if ! echo "$PATH" | tr ':' '\n' | grep -qx "$PREFIX/bin"; then
+    error "Your \$PATH does not include this prefix, so you won't be able to run tomo!" \
+        "Please put this in your .profile or .bashrc: export PATH=\"$PREFIX:\$PATH\""
+fi
+
+default_home="~/.local/share/tomo"
+printf '\033[1mChoose where to install Tomo libraries (default: %s):\033[m ' "$default_home"
+read TOMO_HOME
+if [ -z "$TOMO_HOME" ]; then TOMO_HOME="$default_home"; fi
+TOMO_HOME="${TOMO_HOME/#\~/$HOME}"
+
+default_cc="cc"
+printf '\033[1mChoose which C compiler to use by default (default: %s):\033[m ' "$default_cc"
+read DEFAULT_C_COMPILER
+if [ -z "$DEFAULT_C_COMPILER" ]; then DEFAULT_C_COMPILER="$default_home"; fi
+DEFAULT_C_COMPILER="${DEFAULT_C_COMPILER/#\~/$HOME}"
+
+cat <<END >config.mk
+PREFIX=$PREFIX
+TOMO_HOME=$TOMO_HOME
+DEFAULT_C_COMPILER=$DEFAULT_C_COMPILER
+END