[mingw-libpng: 9/25] - In the previous build no symbols were exported in the resulting DLL making this package unusab
Kalev Lember
kalev at fedoraproject.org
Tue Mar 6 19:40:08 UTC 2012
commit 902be6a00b306159c57085cb31d7f4b0d4619ca0
Author: epienbro <epienbro at fedoraproject.org>
Date: Fri Nov 20 00:58:22 2009 +0000
- In the previous build no symbols were exported in the resulting DLL
making this package unusable. This should be fixed for now (but may
need more research)
mingw32-libpng-fix-invalid-exports.patch | 14 ++++++++++++++
mingw32-libpng.spec | 15 ++++++++++++++-
2 files changed, 28 insertions(+), 1 deletions(-)
---
diff --git a/mingw32-libpng-fix-invalid-exports.patch b/mingw32-libpng-fix-invalid-exports.patch
new file mode 100644
index 0000000..f73c932
--- /dev/null
+++ b/mingw32-libpng-fix-invalid-exports.patch
@@ -0,0 +1,14 @@
+--- configure.orig 2009-11-20 01:18:09.926590381 +0100
++++ configure 2009-11-20 01:18:37.352678377 +0100
+@@ -11447,10 +11447,7 @@
+ if test "$have_ld_version_script" = "yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for symbol prefix" >&5
+ $as_echo_n "checking for symbol prefix... " >&6; }
+- SYMBOL_PREFIX=`echo "PREFIX=__USER_LABEL_PREFIX__" \
+- | ${CPP-${CC-gcc} -E} - 2>&1 \
+- | ${EGREP-grep} "^PREFIX=" \
+- | ${SED-sed} "s:^PREFIX=::"`
++ SYMBOL_PREFIX=""
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SYMBOL_PREFIX" >&5
+ $as_echo "$SYMBOL_PREFIX" >&6; }
diff --git a/mingw32-libpng.spec b/mingw32-libpng.spec
index 42e380a..7572fac 100644
--- a/mingw32-libpng.spec
+++ b/mingw32-libpng.spec
@@ -6,7 +6,7 @@
Name: mingw32-libpng
Version: 1.2.40
-Release: 1%{?dist}
+Release: 2%{?dist}
Summary: MinGW Windows Libpng library
License: zlib
@@ -14,6 +14,7 @@ URL: http://www.libpng.org/pub/png/
Source0: ftp://ftp.simplesystems.org/pub/png/src/libpng-%{version}.tar.bz2
Patch0: libpng-multilib.patch
Patch1: libpng-pngconf.patch
+Patch2: mingw32-libpng-fix-invalid-exports.patch
Group: Development/Libraries
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
@@ -36,6 +37,14 @@ MinGW Windows Libpng library.
%patch0 -p1
%patch1 -p1
+# The configure script tries to generate a prefix which is used for
+# symbol declarations. However, when this prefix is prefix is used
+# the resulting DLL's don't have any exported symbols at all
+# When we drop this prefix we retain backwards compatibility with
+# older versions of mingw32-libpng. We might need to research this
+# issue more to find out the real cause, but this will do for now
+%patch2 -p0
+
%build
%{_mingw32_configure}
@@ -78,6 +87,10 @@ rm -rf $RPM_BUILD_ROOT
%changelog
+* Fri Nov 20 2009 Erik van Pienbroek <epienbro at fedoraproject.org> - 1.2.40-2
+- In the previous build no symbols were exported in the resulting DLL making this
+ package unusable. This should be fixed for now (but may need more research)
+
* Thu Nov 5 2009 Richard W.M. Jones <rjones at redhat.com> - 1.2.40-1
- New upstream version 1.2.40.
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