From 5fe4b752fec9b56da213c38127cab4e70efddc6d Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Mon, 11 Feb 2019 20:25:02 +0200
Subject: Add configure script

Configure script is not needed when building, it is provided as a
convenience tool. Requires python3.
---
 configure                      | 64 ++++++++++++++++++++++++++++++++++++++++++
 doc/Building/meson.asciidoc    | 39 +++++++++++++++++++++++++
 doc/Development/meson.asciidoc | 30 --------------------
 linux/makepkg/PKGBUILD         |  2 ++
 4 files changed, 105 insertions(+), 30 deletions(-)
 create mode 100755 configure
 create mode 100644 doc/Building/meson.asciidoc
 delete mode 100644 doc/Development/meson.asciidoc

diff --git a/configure b/configure
new file mode 100755
index 0000000..a619ff6
--- /dev/null
+++ b/configure
@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+import shutil
+import os
+import subprocess
+from colorama import Fore
+from colorama import Style
+
+def concat_options(default, options=[]):
+    if not options:
+        return default
+    r = ''
+    for option in options:
+        if option is default:
+            r += '*' + option + '* '
+        else:
+            r += option + ' '
+    return r.strip()
+
+def prompt(prompt, default, options=[]):
+    v = input("{} ({}): ".format(prompt, concat_options(default, options)))
+    if v is not '':
+        return v
+    return default
+
+if __name__ is "__main__":
+    # build options
+    build_dir = prompt('build folder', 'build')
+    build_type = prompt('build type', 'release', ['plain', 'debug', 'debugoptimized', 'release'])
+    build_prefix = prompt('prefix', '/usr/local')
+
+    build_pie = prompt('position-independent executable', 'true', ['true', 'false'])
+    build_lto = prompt('link-time optimization', 'true', ['true', 'false'])
+
+    # feature selection
+    auto_features = prompt('Feature auto state', 'disabled', ['auto', 'enabled', 'disabled'])
+    f_breakpad = prompt('Use breakpad', 'disabled', ['enabled', 'disabled'])
+    f_plasma = prompt('Use plasma', 'disabled', ['enabled', 'disabled'])
+    f_manpage = prompt('make manpage', 'enabled', ['enabled', 'disabled'])
+
+    # compilers
+    cc = prompt('C compiler', 'gcc')
+    cpp = prompt('CPP compiler', 'g++')
+    ld = prompt('Linker', 'gold')
+
+    # clean build folder
+    if os.path.isdir(build_dir):
+        shutil.rmtree(build_dir)
+    os.mkdir(build_dir, 0o700)
+
+    env = {
+        **os.environ,
+        'CC' : cc,
+        'CXX' : cpp
+    }
+    # configure build dir
+    subprocess.run(['meson', '--buildtype={}'.format(build_type), '--prefix={}'.format(build_prefix), '--auto-features={}'.format(auto_features),
+        '-Db_pie={}'.format(build_pie), '-Db_lto={}'.format(build_lto), '-Dcpp_link_args="-fuse-ld={}"'.format(ld),
+        '-DBreakpad={}'.format(f_breakpad), '-DPlasma={}'.format(f_plasma), '-Dmanpage={}'.format(f_manpage),
+        build_dir], env=env, check=True)
+
+    print(f"{Style.BRIGHT}Configure step complete{Style.RESET_ALL}")
+    print("For more configuration options run 'meson configure' in the configured build directory.")
+    print("You can now build with 'ninja -C {}'.".format(build_dir))
+
diff --git a/doc/Building/meson.asciidoc b/doc/Building/meson.asciidoc
new file mode 100644
index 0000000..255e0ad
--- /dev/null
+++ b/doc/Building/meson.asciidoc
@@ -0,0 +1,39 @@
+==== Setting compiler
+Compiler can only be set when initially configuring the build, and cannot be
+changed with --reconfigure:
+
+[source, sh]
+----
+export CXX="ccache clang++"
+meson build-path
+----
+
+==== Setting linker
+[source, sh]
+----
+build% meson configure -Dcpp_link_args='-fuse_ld=gold'
+----
+
+==== Listing build options
+[source, sh]
+----
+build% meson configure
+----
+
+==== Changing build options
+[source, sh]
+----
+build% meson configure -D<option-name>=<enabled|disabled>
+# for example:
+build% meson configure -DPlasma=enabled
+----
+
+==== Prevent meson from downloading wraps
+During configure, meson can download missing dependencies on its own using
+wraps. To disable this, pass '--wrap-mode=nodownload' during the configure
+phase:
+[source, sh]
+----
+repo% meson --wrap-mode=nodownload build-path
+----
+
diff --git a/doc/Development/meson.asciidoc b/doc/Development/meson.asciidoc
deleted file mode 100644
index 1eb08c6..0000000
--- a/doc/Development/meson.asciidoc
+++ /dev/null
@@ -1,30 +0,0 @@
-==== Setting compiler
-Compiler can only be set when initially configuring the build, and cannot be
-changed with --reconfigure:
-
-[source, sh]
-----
-export CXX="ccache clang++"
-meson build-path
-----
-
-==== Setting linker
-[source, sh]
-----
-build% meson configure -Dcpp_link_args='-fuse_ld=gold'
-----
-
-==== Listing build options
-[source, sh]
-----
-build% meson configure
-----
-
-==== Changing build options
-[source, sh]
-----
-build% meson configure -D<option-name>=<enabled|disabled>
-# for example:
-build% meson configure -DPlasma=enabled
-----
-
diff --git a/linux/makepkg/PKGBUILD b/linux/makepkg/PKGBUILD
index 52537d1..8c6bed3 100644
--- a/linux/makepkg/PKGBUILD
+++ b/linux/makepkg/PKGBUILD
@@ -51,6 +51,8 @@ build() {
 
     # For a list of configureable options, check smolbote/meson_options.txt, or
     # run `meson configure` in $srcdir/build
+
+    # --wrap-mode=nodownload - disable meson from downloading dependency wraps. This will cause it to fail if makedepends are not found by pkg-config or cmake.
     # --buildtype=plain - meson won't add any flags to the command line
     # --prefix=... - install prefix
     # --auto-features=disabled - features should be explicitly enabled
-- 
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