diff options
| author | Andreas Enge <andreas@enge.fr> | 2013-12-14 13:50:37 +0100 |
|---|---|---|
| committer | Andreas Enge <andreas@enge.fr> | 2013-12-14 13:51:54 +0100 |
| commit | 98a046cd2520e643e77daaded7a0271efcd9658e (patch) | |
| tree | 8cc43fd7d89efce3a1e346028eaa223a9c06ea28 | |
| parent | e93c24df09d2b5ce453734d4d6d1b3d1012d628d (diff) | |
gnu: icecat: Further analyse the failure of using system libpng and libjpeg.
* gnu/packages/gnuzilla.scm (icecat): Add comments.
| -rw-r--r-- | gnu/packages/gnuzilla.scm | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/gnu/packages/gnuzilla.scm b/gnu/packages/gnuzilla.scm index 8a0e23e451..67e451d911 100644 --- a/gnu/packages/gnuzilla.scm +++ b/gnu/packages/gnuzilla.scm @@ -66,8 +66,6 @@ ("gst-plugins-base" ,gst-plugins-base-0.10) ("gtk+" ,gtk+-2) ("libevent" ,libevent) - ;; ("libpng" ,libpng) - ;; ("libjpeg" ,libjpeg) ("libxt" ,libxt) ("libffi" ,libffi) ("mesa" ,mesa) @@ -92,13 +90,24 @@ "--with-system-bz2" ; FIXME: not used "--with-system-libevent" - ;; TODO: Currently fails with "--with-system-png - ;; won't work because the system's libpng doesn't - ;; have APNG support". + ;; Fails with "--with-system-png won't work because + ;; the system's libpng doesn't have APNG support". + ;; According to + ;; http://sourceforge.net/projects/libpng-apng/ , + ;; "the Animated Portable Network Graphics (APNG) + ;; is an unofficial extension of the Portable + ;; Network Graphics (PNG) format"; + ;; we probably do not wish to support it. ;; "--with-system-png" - ;; TODO: Currently fails with "Insufficient JPEG - ;; library version for --with-system-jpeg". + ;; Fails with "libjpeg-turbo JCS_EXTENSIONS + ;; required". + ;; According to + ;; http://sourceforge.net/projects/libjpeg-turbo/ , + ;; "libjpeg-turbo is a derivative of libjpeg that + ;; uses MMX, SSE, SSE2, and NEON SIMD instructions + ;; to accelerate baseline JPEG compression/ + ;; decompression", so we had better not use it ;; "--with-system-jpeg" "--enable-system-ffi") |