Leaving those variables in an undefined state allows them getting implicitly
enabled when they are declared as weak dependencies of other components.
In that case, the library check is not run and required linker flags are not
added, resulting in a failing build.
Fixes linking when enabling libfreetype without libfontconfig.
---
Supersedes reverting 66988320794a107f2a460eaa71dbd9fab8056842.
configure | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/configure b/configure
index 24e9fc3..ab47170 100755
--- a/configure
+++ b/configure
@@ -1296,7 +1296,6 @@ EXTERNAL_LIBRARY_LIST="
$EXTERNAL_LIBRARY_VERSION3_LIST
avisynth
avxsynth
- bzlib
frei0r
gnutls
libbs2b
@@ -1327,6 +1326,10 @@ EXTERNAL_LIBRARY_LIST="
libxcb
libxcb_shm
libxcb_xfixes
+"
+
+SYSTEM_LIBRARY_LIST="
+ bzlib
zlib
"
@@ -1388,6 +1391,7 @@ CONFIG_LIST="
$LIBRARY_LIST
$PROGRAM_LIST
$SUBSYSTEM_LIST
+ $SYSTEM_LIBRARY_LIST
neon_clobber_test
pic
pod2man
@@ -2574,6 +2578,9 @@ enable valgrind_backtrace
# By default, enable only those hwaccels that have no external dependencies.
enable d3d11va dxva2 vda vdpau
+# External, non-system libraries need to be explicitly enabled
+disable $EXTERNAL_LIBRARY_LIST
+
# build settings
SHFLAGS='-shared -Wl,-soname,$$(@F)'
LIBPREF="lib"
--
2.1.4
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