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utils: codegen: gen-header.sh: Generate libcamera.h based on meson.build

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The libcamera.h header is a top-level library header that contains every
other libcamera header. It is currently generated by listing the files
in include/libcamera/ and dropping the .in suffix from template files.
This assumes a 1:1 mapping between generated header file names and the
name of their templates.

Drop that assumption and base the libcamera.h generation on the
libcamera public headers listed in meson.build. This makes the
libcamera.h header generation more future-proof.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2024-08-09 03:29:48 +03:00
parent a5f12d2eb3
commit 48f9660acd
2 changed files with 13 additions and 14 deletions
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20
include/libcamera/meson.build
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@ -107,16 +107,6 @@ formats_h = custom_target('formats_h',
install_dir : libcamera_headers_install_dir) install_dir : libcamera_headers_install_dir)
libcamera_public_headers += formats_h libcamera_public_headers += formats_h
# libcamera.h
libcamera_h = custom_target('gen-header',
input : 'meson.build',
output : 'libcamera.h',
command : [gen_header, meson.current_source_dir(), '@OUTPUT@'],
install : true,
install_dir : libcamera_headers_install_dir)
libcamera_public_headers += libcamera_h
# version.h # version.h
version = libcamera_version.split('.') version = libcamera_version.split('.')
libcamera_version_config = configuration_data() libcamera_version_config = configuration_data()
@ -129,3 +119,13 @@ version_h = configure_file(input : 'version.h.in',
configuration : libcamera_version_config, configuration : libcamera_version_config,
install_dir : libcamera_headers_install_dir) install_dir : libcamera_headers_install_dir)
libcamera_public_headers += version_h libcamera_public_headers += version_h
# libcamera.h
libcamera_h = custom_target('gen-header',
input : 'meson.build',
output : 'libcamera.h',
command : [gen_header, '@OUTPUT@', libcamera_public_headers],
install : true,
install_dir : libcamera_headers_install_dir)
libcamera_public_headers += libcamera_h

7
utils/codegen/gen-header.sh
View file

@ -1,7 +1,7 @@
#!/bin/sh #!/bin/sh
src_dir="$1" dst_file="$1"
dst_file="$2" shift
cat <<EOF > "$dst_file" cat <<EOF > "$dst_file"
/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* SPDX-License-Identifier: LGPL-2.1-or-later */
@ -16,9 +16,8 @@ cat <<EOF > "$dst_file"
EOF EOF
headers=$(for header in "$src_dir"/*.h "$src_dir"/*.h.in ; do headers=$(for header in "$@" ; do
header=$(basename "$header") header=$(basename "$header")
header="${header%.in}"
echo "$header" echo "$header"
done | sort) done | sort)