[Buildroot] [PATCH v2, 1/2] package/gdk-pixbuf: enable relocatable option

[Buildroot] [PATCH v2, 1/2] package/gdk-pixbuf: enable relocatable option

[Fabrice Fontaine]

Enable relocatable option to fix the following PPD build failure of
adwaita-icon-theme:

Can't load file: Unrecognized image file format

This failure is raised because the SVG library is not found by
gtk-encode-symbolic-svg. To find the SVG library,
gtk-encode-symbolic-svg depends on libgtk_pixbuf library which reads the
loaders.cache file using:
- a hardcoded path (which points to host-gdk-pixbuf per-package
  directory) if relocatable is disabled. The loaders.cache in this
  directory doesn't declare SVG support because it has not yet been
  updated by host-librsvg
- or a dynamic path corresponding to the binary location if relocatable
  is enabled.

So obviously, we need to set relocatable to true.

Fixes:
 - http://autobuild.buildroot.org/results/0e00059b09b4445eaaec1030997883187c6a80d6

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
Changes v1 -> v2 (after review of Yann E. Morin):
 - Drop relocatable from target
 - Enhance commit message

 package/gdk-pixbuf/gdk-pixbuf.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/gdk-pixbuf/gdk-pixbuf.mk b/package/gdk-pixbuf/gdk-pixbuf.mk
index cd30d450d5..b22e9568c9 100644
--- a/package/gdk-pixbuf/gdk-pixbuf.mk
+++ b/package/gdk-pixbuf/gdk-pixbuf.mk
@@ -26,6 +26,7 @@ HOST_GDK_PIXBUF_CONF_OPTS = \
 	-Dgio_sniffing=false \
 	-Dinstalled_tests=false \
 	-Dintrospection=disabled \
+	-Drelocatable=true \
 	-Dman=false
 
 ifeq ($(BR2_STATIC_LIBS),y)
-- 
2.34.1

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[Buildroot] [PATCH v2, 2/2] package/librsvg: fix loaders.cache with with per-package directories

[Fabrice Fontaine]

host-librsvg invokes the gdk-pixbuf-queryloaders to update loaders.cache
(which is originally built by host-gdk-pixbuf). loaders.cache contains
the list of all the gdk-pixbuf modules; that includes paths to
dlopen()ed shared libs. host-librsvg must update this file to add the
path to its SVG shared library.

By default, gdk-pixbuf-queryloaders uses a hardcoded path to find the
installed shared libs and this path will point to the location of the
host-gdk-pixbuf per-package directory. Obviously, this is wrong, the SVG
library installed by host-librsvg is installed in its own per-package
directory.

So set GDK_PIXBUF_MODULEDIR to gdk_pixbuf_moduledir before calling
gdk-pixbuf-query-loaders to build a correct loaders.cache.
gdk_pixbuf_moduledir is already retrieved from host-pkgconfig in
configure.ac and so will point to the correct location (thanks to
PPD_FIXUP_PATHS).

After this update, the loaders.cache will be correctly updated in
host-librsvg per-package directory and so the loaders.cache installed in
adwaita-icon-theme per-package directory will also be correct (thanks to
PPD_FIXUP_PATHS).

This will fix the following PPD build failure of adwaita-icon-theme:

Can't load file: Unrecognized image file format

Fixes:
 - http://autobuild.buildroot.org/results/0e00059b09b4445eaaec1030997883187c6a80d6

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
Changes v1 -> v2 (after review of Yann E. Morin):
 - Enhance commit message
 - Add patch upstream status

 ...r-Makefile.am-set-GDK_PIXBUF_MODULED.patch | 41 +++++++++++++++++++
 package/librsvg/librsvg.mk                    |  2 +
 2 files changed, 43 insertions(+)
 create mode 100644 package/librsvg/0001-gdk-pixbuf-loader-Makefile.am-set-GDK_PIXBUF_MODULED.patch

diff --git a/package/librsvg/0001-gdk-pixbuf-loader-Makefile.am-set-GDK_PIXBUF_MODULED.patch b/package/librsvg/0001-gdk-pixbuf-loader-Makefile.am-set-GDK_PIXBUF_MODULED.patch
new file mode 100644
index 0000000000..761ff92605
--- /dev/null
+++ b/package/librsvg/0001-gdk-pixbuf-loader-Makefile.am-set-GDK_PIXBUF_MODULED.patch
@@ -0,0 +1,41 @@
+From 2c472bf55289ccbd7f305aa3e98d6fd70be4e3ab Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Sat, 19 Feb 2022 12:02:10 +0100
+Subject: [PATCH] gdk-pixbuf-loader/Makefile.am: set GDK_PIXBUF_MODULEDIR
+
+Set GDK_PIXBUF_MODULEDIR to gdk_pixbuf_moduledir before calling
+gdk-pixbuf-query-loaders to build a correct gdk_pixbuf_cache_file and
+gdk-pixbuf.loaders on 'exotic' systems
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+[Upstream status:
+https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/668]
+---
+ gdk-pixbuf-loader/Makefile.am | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/gdk-pixbuf-loader/Makefile.am b/gdk-pixbuf-loader/Makefile.am
+index c3493736..de1f9641 100644
+--- a/gdk-pixbuf-loader/Makefile.am
++++ b/gdk-pixbuf-loader/Makefile.am
+@@ -49,7 +49,7 @@ rsvg_loader_LDADD = \
+ EXTRA_rsvg_loader_DEPENDENCIES = libpixbufloader-svg.la gdk-pixbuf-loaders
+ 
+ gdk-pixbuf-loaders: Makefile
+-	$(AM_V_GEN) ( $(GDK_PIXBUF_QUERYLOADERS) ./libpixbufloader-svg.la && $(GDK_PIXBUF_QUERYLOADERS)) > gdk-pixbuf.loaders 2>/dev/null
++	$(AM_V_GEN) ( $(GDK_PIXBUF_QUERYLOADERS) ./libpixbufloader-svg.la && GDK_PIXBUF_MODULEDIR=$(gdk_pixbuf_moduledir) $(GDK_PIXBUF_QUERYLOADERS)) > gdk-pixbuf.loaders 2>/dev/null
+ 
+ if CROSS_COMPILING
+ RUN_QUERY_LOADER_TEST=false
+@@ -68,7 +68,7 @@ endif
+ install-data-hook:
+ 	@if $(RUN_QUERY_LOADER_TEST) ; then \
+ 		$(mkinstalldirs) $(DESTDIR)$(gdk_pixbuf_binarydir) ; \
+-		$(GDK_PIXBUF_QUERYLOADERS) > $(DESTDIR)$(gdk_pixbuf_cache_file) ; \
++		GDK_PIXBUF_MODULEDIR=$(gdk_pixbuf_moduledir) $(GDK_PIXBUF_QUERYLOADERS) > $(DESTDIR)$(gdk_pixbuf_cache_file) ; \
+ 	else \
+ 	  echo "***" ; \
+ 	  echo "*** Warning: loaders.cache not built" ; \
+-- 
+2.34.1
+
diff --git a/package/librsvg/librsvg.mk b/package/librsvg/librsvg.mk
index e4b1942b79..07a14b4366 100644
--- a/package/librsvg/librsvg.mk
+++ b/package/librsvg/librsvg.mk
@@ -20,6 +20,8 @@ HOST_LIBRSVG_DEPENDENCIES = host-cairo host-gdk-pixbuf host-libglib2 host-libxml
 LIBRSVG_LICENSE = LGPL-2.1+
 LIBRSVG_LICENSE_FILES = COPYING.LIB
 LIBRSVG_CPE_ID_VENDOR = gnome
+# We're patching gdk-pixbuf-loader/Makefile.am
+LIBRSVG_AUTORECONF = YES
 
 ifeq ($(BR2_PACKAGE_GOBJECT_INTROSPECTION),y)
 LIBRSVG_CONF_OPTS += --enable-introspection
-- 
2.34.1

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Re: [Buildroot] [PATCH v2, 1/2] package/gdk-pixbuf: enable relocatable option

[Yann E. MORIN]

Fabrice, All,

On 2022-02-20 13:16 +0100, Fabrice Fontaine spake thusly:
> Enable relocatable option to fix the following PPD build failure of
> adwaita-icon-theme:
> 
> Can't load file: Unrecognized image file format
> 
> This failure is raised because the SVG library is not found by
> gtk-encode-symbolic-svg. To find the SVG library,
> gtk-encode-symbolic-svg depends on libgtk_pixbuf library which reads the
> loaders.cache file using:
> - a hardcoded path (which points to host-gdk-pixbuf per-package
>   directory) if relocatable is disabled. The loaders.cache in this
>   directory doesn't declare SVG support because it has not yet been
>   updated by host-librsvg
> - or a dynamic path corresponding to the binary location if relocatable
>   is enabled.
> 
> So obviously, we need to set relocatable to true.
> 
> Fixes:
>  - http://autobuild.buildroot.org/results/0e00059b09b4445eaaec1030997883187c6a80d6

Thanks for providing more details, this is much better indeed, thanks! :-)

I've still felt the need to extend the commit log, because I found that
it left out some information adn explanations that may b needed in the
future.

Applied to master, thanks! :-)

Regards,
Yann E. MORIN.

> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> ---
> Changes v1 -> v2 (after review of Yann E. Morin):
>  - Drop relocatable from target
>  - Enhance commit message
> 
>  package/gdk-pixbuf/gdk-pixbuf.mk | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/package/gdk-pixbuf/gdk-pixbuf.mk b/package/gdk-pixbuf/gdk-pixbuf.mk
> index cd30d450d5..b22e9568c9 100644
> --- a/package/gdk-pixbuf/gdk-pixbuf.mk
> +++ b/package/gdk-pixbuf/gdk-pixbuf.mk
> @@ -26,6 +26,7 @@ HOST_GDK_PIXBUF_CONF_OPTS = \
>  	-Dgio_sniffing=false \
>  	-Dinstalled_tests=false \
>  	-Dintrospection=disabled \
> +	-Drelocatable=true \
>  	-Dman=false
>  
>  ifeq ($(BR2_STATIC_LIBS),y)
> -- 
> 2.34.1
> 
> _______________________________________________
> buildroot mailing list
> buildroot@buildroot.org
> https://lists.buildroot.org/mailman/listinfo/buildroot

-- 
.-----------------.--------------------.------------------.--------------------.
|  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +33 662 376 056 | Software  Designer | \ / CAMPAIGN     |  ___               |
| +33 561 099 427 `------------.-------:  X  AGAINST      |  \e/  There is no  |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v   conspiracy.  |
'------------------------------^-------^------------------^--------------------'
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Re: [Buildroot] [PATCH v2, 2/2] package/librsvg: fix loaders.cache with with per-package directories

[Yann E. MORIN]

Fabrice, All,

On 2022-02-20 13:16 +0100, Fabrice Fontaine spake thusly:
> host-librsvg invokes the gdk-pixbuf-queryloaders to update loaders.cache
> (which is originally built by host-gdk-pixbuf). loaders.cache contains
> the list of all the gdk-pixbuf modules; that includes paths to
> dlopen()ed shared libs. host-librsvg must update this file to add the
> path to its SVG shared library.
> 
> By default, gdk-pixbuf-queryloaders uses a hardcoded path to find the
> installed shared libs and this path will point to the location of the
> host-gdk-pixbuf per-package directory. Obviously, this is wrong, the SVG
> library installed by host-librsvg is installed in its own per-package
> directory.
> 
> So set GDK_PIXBUF_MODULEDIR to gdk_pixbuf_moduledir before calling
> gdk-pixbuf-query-loaders to build a correct loaders.cache.
> gdk_pixbuf_moduledir is already retrieved from host-pkgconfig in
> configure.ac and so will point to the correct location (thanks to
> PPD_FIXUP_PATHS).
> 
> After this update, the loaders.cache will be correctly updated in
> host-librsvg per-package directory and so the loaders.cache installed in
> adwaita-icon-theme per-package directory will also be correct (thanks to
> PPD_FIXUP_PATHS).
> 
> This will fix the following PPD build failure of adwaita-icon-theme:
> 
> Can't load file: Unrecognized image file format
> 
> Fixes:
>  - http://autobuild.buildroot.org/results/0e00059b09b4445eaaec1030997883187c6a80d6
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>

Thank you very much for expanding on your previous commit log. It indeed
helps a lot to explain what is happening.

Still, I felt I needed to understand a bit more about the issue: why did
we have to fix it at build time for a file that is never isntalled?

Also, since we now configure gdk-pixbuf in a relocatable way, why was
the issue still happening?

So I investigated a bit, and substancially rewrote the commit log with
my findings.

Still, I must say that your second commit log was already very good, and
it really helped me understand the overall issue. Thanks for that! :-)

Applied to master, thanks.

Regards,
Yann E. MORIN.

> ---
> Changes v1 -> v2 (after review of Yann E. Morin):
>  - Enhance commit message
>  - Add patch upstream status
> 
>  ...r-Makefile.am-set-GDK_PIXBUF_MODULED.patch | 41 +++++++++++++++++++
>  package/librsvg/librsvg.mk                    |  2 +
>  2 files changed, 43 insertions(+)
>  create mode 100644 package/librsvg/0001-gdk-pixbuf-loader-Makefile.am-set-GDK_PIXBUF_MODULED.patch
> 
> diff --git a/package/librsvg/0001-gdk-pixbuf-loader-Makefile.am-set-GDK_PIXBUF_MODULED.patch b/package/librsvg/0001-gdk-pixbuf-loader-Makefile.am-set-GDK_PIXBUF_MODULED.patch
> new file mode 100644
> index 0000000000..761ff92605
> --- /dev/null
> +++ b/package/librsvg/0001-gdk-pixbuf-loader-Makefile.am-set-GDK_PIXBUF_MODULED.patch
> @@ -0,0 +1,41 @@
> +From 2c472bf55289ccbd7f305aa3e98d6fd70be4e3ab Mon Sep 17 00:00:00 2001
> +From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> +Date: Sat, 19 Feb 2022 12:02:10 +0100
> +Subject: [PATCH] gdk-pixbuf-loader/Makefile.am: set GDK_PIXBUF_MODULEDIR
> +
> +Set GDK_PIXBUF_MODULEDIR to gdk_pixbuf_moduledir before calling
> +gdk-pixbuf-query-loaders to build a correct gdk_pixbuf_cache_file and
> +gdk-pixbuf.loaders on 'exotic' systems
> +
> +Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> +[Upstream status:
> +https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/668]
> +---
> + gdk-pixbuf-loader/Makefile.am | 4 ++--
> + 1 file changed, 2 insertions(+), 2 deletions(-)
> +
> +diff --git a/gdk-pixbuf-loader/Makefile.am b/gdk-pixbuf-loader/Makefile.am
> +index c3493736..de1f9641 100644
> +--- a/gdk-pixbuf-loader/Makefile.am
> ++++ b/gdk-pixbuf-loader/Makefile.am
> +@@ -49,7 +49,7 @@ rsvg_loader_LDADD = \
> + EXTRA_rsvg_loader_DEPENDENCIES = libpixbufloader-svg.la gdk-pixbuf-loaders
> + 
> + gdk-pixbuf-loaders: Makefile
> +-	$(AM_V_GEN) ( $(GDK_PIXBUF_QUERYLOADERS) ./libpixbufloader-svg.la && $(GDK_PIXBUF_QUERYLOADERS)) > gdk-pixbuf.loaders 2>/dev/null
> ++	$(AM_V_GEN) ( $(GDK_PIXBUF_QUERYLOADERS) ./libpixbufloader-svg.la && GDK_PIXBUF_MODULEDIR=$(gdk_pixbuf_moduledir) $(GDK_PIXBUF_QUERYLOADERS)) > gdk-pixbuf.loaders 2>/dev/null
> + 
> + if CROSS_COMPILING
> + RUN_QUERY_LOADER_TEST=false
> +@@ -68,7 +68,7 @@ endif
> + install-data-hook:
> + 	@if $(RUN_QUERY_LOADER_TEST) ; then \
> + 		$(mkinstalldirs) $(DESTDIR)$(gdk_pixbuf_binarydir) ; \
> +-		$(GDK_PIXBUF_QUERYLOADERS) > $(DESTDIR)$(gdk_pixbuf_cache_file) ; \
> ++		GDK_PIXBUF_MODULEDIR=$(gdk_pixbuf_moduledir) $(GDK_PIXBUF_QUERYLOADERS) > $(DESTDIR)$(gdk_pixbuf_cache_file) ; \
> + 	else \
> + 	  echo "***" ; \
> + 	  echo "*** Warning: loaders.cache not built" ; \
> +-- 
> +2.34.1
> +
> diff --git a/package/librsvg/librsvg.mk b/package/librsvg/librsvg.mk
> index e4b1942b79..07a14b4366 100644
> --- a/package/librsvg/librsvg.mk
> +++ b/package/librsvg/librsvg.mk
> @@ -20,6 +20,8 @@ HOST_LIBRSVG_DEPENDENCIES = host-cairo host-gdk-pixbuf host-libglib2 host-libxml
>  LIBRSVG_LICENSE = LGPL-2.1+
>  LIBRSVG_LICENSE_FILES = COPYING.LIB
>  LIBRSVG_CPE_ID_VENDOR = gnome
> +# We're patching gdk-pixbuf-loader/Makefile.am
> +LIBRSVG_AUTORECONF = YES
>  
>  ifeq ($(BR2_PACKAGE_GOBJECT_INTROSPECTION),y)
>  LIBRSVG_CONF_OPTS += --enable-introspection
> -- 
> 2.34.1
> 
> _______________________________________________
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-- 
.-----------------.--------------------.------------------.--------------------.
|  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +33 662 376 056 | Software  Designer | \ / CAMPAIGN     |  ___               |
| +33 561 099 427 `------------.-------:  X  AGAINST      |  \e/  There is no  |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v   conspiracy.  |
'------------------------------^-------^------------------^--------------------'
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Re: [Buildroot] [PATCH v2, 1/2] package/gdk-pixbuf: enable relocatable option

[Peter Korsgaard]

>>>>> "Fabrice" == Fabrice Fontaine <fontaine.fabrice@gmail.com> writes:

 > Enable relocatable option to fix the following PPD build failure of
 > adwaita-icon-theme:

 > Can't load file: Unrecognized image file format

 > This failure is raised because the SVG library is not found by
 > gtk-encode-symbolic-svg. To find the SVG library,
 > gtk-encode-symbolic-svg depends on libgtk_pixbuf library which reads the
 > loaders.cache file using:
 > - a hardcoded path (which points to host-gdk-pixbuf per-package
 >   directory) if relocatable is disabled. The loaders.cache in this
 >   directory doesn't declare SVG support because it has not yet been
 >   updated by host-librsvg
 > - or a dynamic path corresponding to the binary location if relocatable
 >   is enabled.

 > So obviously, we need to set relocatable to true.

 > Fixes:
 >  - http://autobuild.buildroot.org/results/0e00059b09b4445eaaec1030997883187c6a80d6

 > Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
 > ---
 > Changes v1 -> v2 (after review of Yann E. Morin):
 >  - Drop relocatable from target
 >  - Enhance commit message

Committed to 2021.02.x and 2021.11.x, thanks.

-- 
Bye, Peter Korsgaard
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