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add spngsave to meson build

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This commit is contained in:
John Cupitt 2022-02-11 16:43:02 +00:00
parent 896cad6a7a
commit 1862e7209e
2 changed files with 19 additions and 13 deletions
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1
libvips/foreign/meson.build
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@ -43,6 +43,7 @@ foreign_sources = files(
'rawload.c',
'rawsave.c',
'spngload.c',
'spngsave.c',
'svgload.c',
'tiff2vips.c',
'tiff.c',

31
meson.build
View File

@ -249,31 +249,36 @@ if libjpeg_dep.found()
endif
# Look for libspng first
# 0.6.1 uses "libspng.pc", git master libspng uses "spng.pc"
# We can simplify this when requiring meson>=0.60.0
spng_dep = dependency('libspng', version: '>=0.6', required: false)
# - it's sometimes called "spng.pc", sometimes "libspng.pc", we must search for
# both
# - we need 0.7+ for PNG write support
# - simplify this when requiring meson>=0.60.0
spng_dep = dependency('libspng', version: '>=0.7', required: get_option('spng'))
if not spng_dep.found()
spng_dep = dependency('spng', version: '>=0.6', required: get_option('spng'))
spng_dep = dependency('spng', version: '>=0.7', required: get_option('spng'))
endif
if not get_option('spng').disabled() and spng_dep.found()
libvips_deps += spng_dep
cfg_var.set('HAVE_SPNG', '1')
endif
# we can have both PNG and SPNG enabled, with SPNG for read and PNG for write
png_dep = dependency('libpng', version: '>=1.2.9', required: get_option('png'))
if png_dep.found()
libvips_deps += png_dep
cfg_var.set('HAVE_PNG', '1')
if cc.has_function('png_set_chunk_malloc_max', prefix: '#include <png.h>', dependencies: png_dep)
cfg_var.set('HAVE_PNG_SET_CHUNK_MALLOC_MAX', '1')
# only if libspng not found
png_dep = disabler()
if not spng_dep.found()
png_dep = dependency('libpng', version: '>=1.2.9', required: get_option('png'))
if png_dep.found()
libvips_deps += png_dep
cfg_var.set('HAVE_PNG', '1')
if cc.has_function('png_set_chunk_malloc_max', prefix: '#include <png.h>', dependencies: png_dep)
cfg_var.set('HAVE_PNG_SET_CHUNK_MALLOC_MAX', '1')
endif
endif
endif
# libwebp ... target 0.6+ to reduce complication
# webp has the stuff for handling metadata in two separate libraries -- we
# insit on having all of them
# webp has the stuff for handling metadata in two separate libraries -- we
# insist on having both of them
libwebp_dep = dependency('libwebp', version: '>=0.6', required: get_option('png'))
if libwebp_dep.found()
libvips_deps += libwebp_dep