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Add an --lsp option to generate compile_commands.json to s/cmake-init #1142

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Add an --lsp option to generate compile_commands.json to s/cmake-init #1142

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22 changes: 19 additions & 3 deletions s/cmake-init
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Original file line number Diff line number Diff line change
@@ -1,21 +1,30 @@
#!/bin/bash
#!/bin/sh

WITHOUT_LUA=OFF
ERESSEA_DB=memory
pkg-config --exists sqlite3 && ERESSEA_DB=sqlite

# Instruct CMake to generate a compile_commands.json into the build/ directory.
# This is important for certain LSPs (foremost clangd), to understand
# the project and provide intelli-sense and source jumping.
# If generated, this file is automatically discovered by clangd and used.
# OFF by default, enable with s/cmake-init --lsp
LSP_SUPPORT=OFF

usage()
{
echo "usage: $0 --help --db=DB"
echo "usage: $0 --help --db=DB --lsp"
}
options=$(getopt -a 'hd:' "$@")
options=$(getopt -a -l lsp 'hd:' "$@")
if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
eval set -- "$options"

while true; do
case "$1" in
--no-lua)
WITHOUT_LUA=ON ;;
--lsp | -l)
LSP_SUPPORT=ON ;;
--help | -h)
usage
;;
Expand Down Expand Up @@ -57,12 +66,19 @@ fi

DEST=$(dirname $ROOT)/server

echo "Without Lua: $WITHOUT_LUA"
echo "Database driver: $ERESSEA_DB"
echo "LSP support (compile_commands.json): $LSP_SUPPORT"
echo "Build Type: $BUILD"
echo

cat >| build/config.cmake <<HEREDOC
SET (ERESSEA_DB "$ERESSEA_DB" CACHE STRING "Database driver")
SET (CMAKE_BUILD_TYPE "$BUILD" CACHE STRING "")
SET (CMAKE_LIBRARY_PATH "$LIBRARY_PATH" CACHE PATH "")
SET (CMAKE_PREFIX_PATH "$PREFIX_PATH" CACHE PATH "")
SET (WITHOUT_LUA $WITHOUT_LUA CACHE BOOL "")
SET (CMAKE_EXPORT_COMPILE_COMMANDS $LSP_SUPPORT CACHE BOOL "Generate compile_commands.json for LSPs like clangd")
HEREDOC

set -e
Expand Down