From f41c411980c7451083b3cd2f168f29ad065eb0d7 Mon Sep 17 00:00:00 2001
From: Scott Anderson <scott@anderso.nz>
Date: Wed, 22 Aug 2018 21:32:24 +1200
Subject: [PATCH] Use input file for configure_file

This is so we can potentially add comments to it, and so if a user looks
at the installed header, they can see the /* #undef WLR_HAS_FEATURE */
line to see every option, even if not available.
---
 include/wlr/config.h.in  | 19 +++++++++++++++++++
 include/wlr/meson.build  |  5 ++---
 include/wlr/version.h.in | 16 ++++++++++++++++
 3 files changed, 37 insertions(+), 3 deletions(-)
 create mode 100644 include/wlr/config.h.in
 create mode 100644 include/wlr/version.h.in

diff --git a/include/wlr/config.h.in b/include/wlr/config.h.in
new file mode 100644
index 00000000..750ad3b7
--- /dev/null
+++ b/include/wlr/config.h.in
@@ -0,0 +1,19 @@
+#ifndef WLR_CONFIG_H
+#define WLR_CONFIG_H
+
+#mesondefine WLR_HAS_LIBCAP
+
+#mesondefine WLR_HAS_SYSTEMD
+#mesondefine WLR_HAS_ELOGIND
+
+#mesondefine WLR_HAS_X11_BACKEND
+
+#mesondefine WLR_HAS_XWAYLAND
+
+#mesondefine WLR_HAS_XCB_ERRORS
+#mesondefine WLR_HAS_XCB_ICCCM
+#mesondefine WLR_HAS_XCB_XKB
+
+#mesondefine WLR_HAS_POSIX_FALLOCATE
+
+#endif
diff --git a/include/wlr/meson.build b/include/wlr/meson.build
index 14551cb4..43b5aec9 100644
--- a/include/wlr/meson.build
+++ b/include/wlr/meson.build
@@ -4,14 +4,13 @@ version_data.set_quoted('WLR_VERSION_STR',   meson.project_version())
 version_data.set('WLR_VERSION_MAJOR',        version_array[0])
 version_data.set('WLR_VERSION_MINOR',        version_array[1])
 version_data.set('WLR_VERSION_MICRO',        version_array[2])
-version_data.set('WLR_VERSION_NUM',          '(WLR_VERSION_MAJOR << 16) | (WLR_VERSION_MINOR << 8) | WLR_VERSION_MICRO')
 version_data.set('WLR_VERSION_API_CURRENT',  so_version[0])
 version_data.set('WLR_VERSION_API_REVISION', so_version[1])
 version_data.set('WLR_VERSION_API_AGE',      so_version[2])
 
 install_headers(
-	configure_file(output: 'config.h',  configuration: conf_data),
-	configure_file(output: 'version.h', configuration: version_data),
+	configure_file(input: 'config.h.in', output: 'config.h',configuration: conf_data),
+	configure_file(input: 'version.h.in', output: 'version.h', configuration: version_data),
 	'backend.h',
 	'xcursor.h',
 	subdir: 'wlr'
diff --git a/include/wlr/version.h.in b/include/wlr/version.h.in
new file mode 100644
index 00000000..cdc0fd75
--- /dev/null
+++ b/include/wlr/version.h.in
@@ -0,0 +1,16 @@
+#ifndef WLR_VERSION_H
+#define WLR_VERSION_H
+
+#mesondefine WLR_VERSION_STR
+
+#mesondefine WLR_VERSION_MAJOR
+#mesondefine WLR_VERSION_MINOR
+#mesondefine WLR_VERSION_MICRO
+
+#define WLR_VERSION_NUM ((WLR_VERSION_MAJOR << 16) | (WLR_VERSION_MINOR << 8) | WLR_VERSION_MICRO)
+
+#mesondefine WLR_VERSION_API_CURRENT
+#mesondefine WLR_VERSION_API_REVISION
+#mesondefine WLR_VERSION_API_AGE
+
+#endif