[gdk-pixbuf] build: Remove "enable" from Meson build options

[Bastien Nocera <hadess src gnome org>]

commit 328b53f0b67293c5b310d4e1ce9894a83644416f
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Nov 29 18:01:40 2017 +0100

    build: Remove "enable" from Meson build options
    
    As per https://wiki.gnome.org/Initiatives/GnomeGoals/MesonPorting
    
    https://bugzilla.gnome.org/show_bug.cgi?id=790995

 gdk-pixbuf/meson.build |   12 ++++++------
 meson.build            |   20 ++++++++++----------
 meson_options.txt      |   18 +++++++++---------
 3 files changed, 25 insertions(+), 25 deletions(-)
---
diff --git a/gdk-pixbuf/meson.build b/gdk-pixbuf/meson.build
index 77c162b..a02177c 100644
--- a/gdk-pixbuf/meson.build
+++ b/gdk-pixbuf/meson.build
@@ -6,12 +6,12 @@ subdir('pixops')
 #  - conditional, otherwise always built
 
 # We need to disable the in-house loaders for BMP, GIF and ICO
-# when enable_native_windows_loaders is true
+# when native_windows_loaders is true
 loaders = [
   [ 'png', [ 'io-png.c' ], enabled_loaders.contains('png') ],
-  [ 'bmp', [ 'io-bmp.c' ], not enable_native_windows_loaders ],
-  [ 'gif', [ 'io-gif.c', 'io-gif-animation.c' ], not enable_native_windows_loaders ],
-  [ 'ico', [ 'io-ico.c' ], not enable_native_windows_loaders ],
+  [ 'bmp', [ 'io-bmp.c' ], not native_windows_loaders ],
+  [ 'gif', [ 'io-gif.c', 'io-gif-animation.c' ], not native_windows_loaders ],
+  [ 'ico', [ 'io-ico.c' ], not native_windows_loaders ],
   [ 'ani', [ 'io-ani.c', 'io-ani-animation.c' ] ],
   [ 'jpeg', [ 'io-jpeg.c' ], enabled_loaders.contains('jpeg') ],
   [ 'pnm', [ 'io-pnm.c' ] ],
@@ -133,7 +133,7 @@ windows_native_loader_formats = [ 'bmp', 'emf', 'gif', 'ico', 'jpeg', 'tiff', 'w
 windows_base_loader_sources = [ 'io-gdip-utils.c', 'io-gdip-animation.c' ]
 
 # Build the loaders using native Windows components as static modules, if requested
-if enable_native_windows_loaders
+if native_windows_loaders
   if builtin_loaders.contains('windows') or builtin_all_loaders
     cflag_for_included_loader = ['-DINCLUDE_gdiplus']
     included_loaders_cflags += cflag_for_included_loader
@@ -193,7 +193,7 @@ foreach l: loaders
 endforeach
 
 # Build the loaders using native Windows components as dynamic modules, if requested
-if enable_native_windows_loaders
+if native_windows_loaders
   if not (builtin_loaders.contains('windows') or builtin_all_loaders)
     foreach loader: windows_native_loader_formats
       loader_sources = windows_base_loader_sources + [ 'io-gdip-@0@.c'.format(loader) ]
diff --git a/meson.build b/meson.build
index 466a5c3..4bd0af5 100644
--- a/meson.build
+++ b/meson.build
@@ -214,7 +214,7 @@ endif
 enabled_loaders = []
 loaders_deps = []
 
-if get_option('enable_png')
+if get_option('png')
   # We have a vast selection of libpng versions to choose from
   foreach png: [ 'libpng16', 'libpng15', 'libpng14', 'libpng13', 'libpng12', 'libpng10' ]
     if not enabled_loaders.contains('png')
@@ -260,19 +260,19 @@ endif
 # Note that we currently do not use the native Windows loaders to handle PNG and
 # JPEG2000 images
 if host_system == 'windows'
-  enable_native_windows_loaders = get_option('enable_native_windows_loaders')
+  native_windows_loaders = get_option('native_windows_loaders')
 else
-  enable_native_windows_loaders = false
+  native_windows_loaders = false
 endif
 
-if enable_native_windows_loaders
+if native_windows_loaders
   loaders_deps += cc.find_library('gdiplus')
   loaders_deps += cc.find_library('ole32')
   enabled_loaders += 'gdiplus'
 endif
 
-# Don't check and build the jpeg loader if enable_native_windows_loaders is true
-if get_option('enable_jpeg') and not enable_native_windows_loaders
+# Don't check and build the jpeg loader if native_windows_loaders is true
+if get_option('jpeg') and not native_windows_loaders
   if cc.has_header('jpeglib.h')
     jpeg_dep = cc.find_library('jpeg', required: false)
     if cc.get_id() == 'msvc' and not jpeg_dep.found()
@@ -290,8 +290,8 @@ if get_option('enable_jpeg') and not enable_native_windows_loaders
   endif
 endif
 
-# Don't check and build the tiff loader if enable_native_windows_loaders is true
-if get_option('enable_tiff') and not enable_native_windows_loaders
+# Don't check and build the tiff loader if native_windows_loaders is true
+if get_option('tiff') and not native_windows_loaders
   tiff_dep = dependency('libtiff-4', required: false)
   if not tiff_dep.found()
     # Fallback when no pkg-config file is found for libtiff on MSVC, which is quite normal
@@ -314,7 +314,7 @@ endif
 
 jasper_extra_cflags = []
 
-if get_option('enable_jasper')
+if get_option('jasper')
   has_jasper_header = false
 
   if cc.get_id() == 'msvc'
@@ -347,7 +347,7 @@ endif
 if host_system == 'windows'
   relocatable = true
 else
-  relocatable = get_option('enable_relocatable')
+  relocatable = get_option('relocatable')
 endif
 
 if relocatable
diff --git a/meson_options.txt b/meson_options.txt
index 9eadfcc..a197b74 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1,16 +1,16 @@
-option('enable_png',
+option('png',
        description: 'Enable PNG loader (requires libpng)',
        type: 'boolean',
        value: true)
-option('enable_tiff',
-       description: 'Enable TIFF loader (requires libtiff), disabled on Windows if 
"enable_native_windows_loaders" is used',
+option('tiff',
+       description: 'Enable TIFF loader (requires libtiff), disabled on Windows if "native_windows_loaders" 
is used',
        type: 'boolean',
        value: true)
-option('enable_jpeg',
-       description: 'Enable JPEG loader (requires libjpeg), disabled on Windows if 
"enable_native_windows_loaders" is used',
+option('jpeg',
+       description: 'Enable JPEG loader (requires libjpeg), disabled on Windows if "native_windows_loaders" 
is used',
        type: 'boolean',
        value: true)
-option('enable_jasper',
+option('jasper',
        description: 'Enable JPEG2000 loader (requires libjasper)',
        type: 'boolean',
        value: false)
@@ -34,11 +34,11 @@ option('with_man',
        description: 'Whether to generate man pages (requires xlstproc)',
        type: 'boolean',
        value: true)
-option('enable_relocatable',
+option('relocatable',
        description: 'Whether to enable application bundle relocation support',
        type: 'boolean',
        value: false)
-option('enable_native_windows_loaders',
-       description: 'Use Windows system components to handle BMP, EMF, GIF, ICO, JPEG, TIFF and WMF images, 
overriding enable_jpeg and enable_tiff.  To build this into gdk-pixbuf, pass in windows" with the other 
loaders to build in or use "all" with the builtin_loaders option',
+option('native_windows_loaders',
+       description: 'Use Windows system components to handle BMP, EMF, GIF, ICO, JPEG, TIFF and WMF images, 
overriding jpeg and tiff.  To build this into gdk-pixbuf, pass in windows" with the other loaders to build in 
or use "all" with the builtin_loaders option',
        type: 'boolean',
        value: false)