I tried building freetype 2.9 today on a Solaris machine with harfbuzz 1.0.6
installed. (I know, that's old and should be fixed, but let me finish this
first...)
It detected harfbuzz was present at a version higher than the minimum defined
in builds/unix/configure.ac, which is currently: "harfbuzz >= 0.9.21" but the
build failed to compile src/autofit/autofit.c giving the errors:
In file included from freetype2/src/autofit/autofit.c:35:0:
reetype2/src/autofit/afscript.h:35:11: error: ‘HB_SCRIPT_ADLAM’ undeclared here
(not in a function)
HB_SCRIPT_ADLAM,
^
freetype2/src/autofit/afshaper.c:90:38: note: in definition of macro ‘SCRIPT’
#define SCRIPT( s, S, d, h, H, ss ) h,
^
freetype2/src/autofit/afscript.h:278:11: error: ‘HB_SCRIPT_OSAGE’ undeclared
here (not in a function)
HB_SCRIPT_OSAGE,
^
freetype2/src/autofit/afshaper.c:90:38: note: in definition of macro ‘SCRIPT’
#define SCRIPT( s, S, d, h, H, ss ) h,
^
gmake: *** [freetype2/src/autofit/rules.mk:74: freetype2/objs/autofit.lo] Error
1
Looking at HarfBuzz, those two scripts were first defined in HarfBuzz 1.3.0:
https://github.com/harfbuzz/harfbuzz/commit/691086f131cb6c9d97e98730c27673484bf93f87
The attached patch to map them to HB_SCRIPT_INVALID if they weren't defined
let the compile finish with the old HarfBuzz, but I don't know how to test
how well the resulting code works. The alternative would be to just raise
the minimum required harfbuzz version in builds/unix/configure.ac from 0.9.21
to 1.3.0.
--
-Alan Coopersmith- [email protected]
Oracle Solaris Engineering - https://blogs.oracle.com/alanc
From 7c5e239af3283e4e5784cdca4e2278ef0583b51e Mon Sep 17 00:00:00 2001
From: Alan Coopersmith <[email protected]>
Date: Thu, 22 Feb 2018 16:51:29 -0800
Subject: [PATCH] Fix builds with HarfBuzz versions older than 1.3.0
HB_SCRIPT_ADLAM & HB_SCRIPT_OSAGE weren't defined in older releases
Signed-off-by: Alan Coopersmith <[email protected]>
---
src/autofit/afscript.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/autofit/afscript.h b/src/autofit/afscript.h
index 6ac193f6a..76ebc7da8 100644
--- a/src/autofit/afscript.h
+++ b/src/autofit/afscript.h
@@ -30,6 +30,9 @@
/* use `HB_SCRIPT_INVALID' as the HarfBuzz script name tag for */
/* them. */
+#ifndef HB_SCRIPT_ADLAM /* added in HarfBuzz 1.3.0 */
+# define HB_SCRIPT_ADLAM HB_SCRIPT_INVALID
+#endif
SCRIPT( adlm, ADLM,
"Adlam",
HB_SCRIPT_ADLAM,
@@ -273,6 +276,9 @@
HINTING_BOTTOM_TO_TOP,
"\xF0\x90\xB0\x97" ) /* ð° */
+#ifndef HB_SCRIPT_OSAGE /* added in HarfBuzz 1.3.0 */
+# define HB_SCRIPT_OSAGE HB_SCRIPT_INVALID
+#endif
SCRIPT( osge, OSGE,
"Osage",
HB_SCRIPT_OSAGE,
--
2.15.0
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