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-rw-r--r--sys-libs/zlib/files/zlib-1.2.11-fix-deflateParams-usage.patch2
-rw-r--r--sys-libs/zlib/files/zlib-1.2.12-CRC-buggy-input.patch50
-rw-r--r--sys-libs/zlib/files/zlib-1.2.12-fix-CC-logic-in-configure.patch45
-rw-r--r--sys-libs/zlib/files/zlib-1.2.12-use-LDFLAGS-in-configure.patch71
4 files changed, 168 insertions, 0 deletions
diff --git a/sys-libs/zlib/files/zlib-1.2.11-fix-deflateParams-usage.patch b/sys-libs/zlib/files/zlib-1.2.11-fix-deflateParams-usage.patch
index 18764849b945..59d4a0919c77 100644
--- a/sys-libs/zlib/files/zlib-1.2.11-fix-deflateParams-usage.patch
+++ b/sys-libs/zlib/files/zlib-1.2.11-fix-deflateParams-usage.patch
@@ -1,3 +1,5 @@
+https://github.com/madler/zlib/commit/f9694097dd69354b03cb8af959094c7f260db0a1
+
From f9694097dd69354b03cb8af959094c7f260db0a1 Mon Sep 17 00:00:00 2001
From: Mark Adler <madler@alumni.caltech.edu>
Date: Mon, 16 Jan 2017 09:49:35 -0800
diff --git a/sys-libs/zlib/files/zlib-1.2.12-CRC-buggy-input.patch b/sys-libs/zlib/files/zlib-1.2.12-CRC-buggy-input.patch
new file mode 100644
index 000000000000..083634929bbe
--- /dev/null
+++ b/sys-libs/zlib/files/zlib-1.2.12-CRC-buggy-input.patch
@@ -0,0 +1,50 @@
+https://github.com/madler/zlib/commit/ec3df00224d4b396e2ac6586ab5d25f673caa4c2
+https://github.com/madler/zlib/issues/613
+https://bugs.gentoo.org/836370
+
+From ec3df00224d4b396e2ac6586ab5d25f673caa4c2 Mon Sep 17 00:00:00 2001
+From: Mark Adler <madler@alumni.caltech.edu>
+Date: Wed, 30 Mar 2022 11:14:53 -0700
+Subject: [PATCH] Correct incorrect inputs provided to the CRC functions.
+
+The previous releases of zlib were not sensitive to incorrect CRC
+inputs with bits set above the low 32. This commit restores that
+behavior, so that applications with such bugs will continue to
+operate as before.
+--- a/crc32.c
++++ b/crc32.c
+@@ -630,7 +630,7 @@ unsigned long ZEXPORT crc32_z(crc, buf, len)
+ #endif /* DYNAMIC_CRC_TABLE */
+
+ /* Pre-condition the CRC */
+- crc ^= 0xffffffff;
++ crc = (~crc) & 0xffffffff;
+
+ /* Compute the CRC up to a word boundary. */
+ while (len && ((z_size_t)buf & 7) != 0) {
+@@ -749,7 +749,7 @@ unsigned long ZEXPORT crc32_z(crc, buf, len)
+ #endif /* DYNAMIC_CRC_TABLE */
+
+ /* Pre-condition the CRC */
+- crc ^= 0xffffffff;
++ crc = (~crc) & 0xffffffff;
+
+ #ifdef W
+
+@@ -1077,7 +1077,7 @@ uLong ZEXPORT crc32_combine64(crc1, crc2, len2)
+ #ifdef DYNAMIC_CRC_TABLE
+ once(&made, make_crc_table);
+ #endif /* DYNAMIC_CRC_TABLE */
+- return multmodp(x2nmodp(len2, 3), crc1) ^ crc2;
++ return multmodp(x2nmodp(len2, 3), crc1) ^ (crc2 & 0xffffffff);
+ }
+
+ /* ========================================================================= */
+@@ -1112,5 +1112,5 @@ uLong crc32_combine_op(crc1, crc2, op)
+ uLong crc2;
+ uLong op;
+ {
+- return multmodp(op, crc1) ^ crc2;
++ return multmodp(op, crc1) ^ (crc2 & 0xffffffff);
+ }
+
diff --git a/sys-libs/zlib/files/zlib-1.2.12-fix-CC-logic-in-configure.patch b/sys-libs/zlib/files/zlib-1.2.12-fix-CC-logic-in-configure.patch
new file mode 100644
index 000000000000..7fb13325b114
--- /dev/null
+++ b/sys-libs/zlib/files/zlib-1.2.12-fix-CC-logic-in-configure.patch
@@ -0,0 +1,45 @@
+https://github.com/madler/zlib/pull/607
+
+From 80d086357a55b94a13e43756cf3e131f25eef0e4 Mon Sep 17 00:00:00 2001
+From: Sam James <sam@gentoo.org>
+Date: Mon, 28 Mar 2022 08:40:45 +0100
+Subject: [PATCH] Fix CC logic in configure
+
+In https://github.com/madler/zlib/commit/e9a52aa129efe3834383e415580716a7c4027f8d,
+the logic was changed to try check harder for GCC, but it dropped
+the default setting of cc=${CC}. It was throwing away any pre-set CC value as
+a result.
+
+The rest of the script then cascades down a bad path because it's convinced
+it's not GCC or a GCC-like compiler.
+
+This led to e.g. misdetection of inability to build shared libs
+for say, multilib cases (w/ CC being one thing from the environment being used
+for one test (e.g. x86_64-unknown-linux-gnu-gcc -m32 and then 'cc' used for
+shared libs (but missing "-m32"!)). Obviously just one example of how
+the old logic could break.
+
+This restores the old default of 'CC' if nothing overrides it later
+in configure.
+
+Bug: https://bugs.gentoo.org/836308
+Signed-off-by: Sam James <sam@gentoo.org>
+---
+ configure | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/configure b/configure
+index 52ff4a04e..3fa3e8618 100755
+--- a/configure
++++ b/configure
+@@ -174,7 +174,10 @@ if test -z "$CC"; then
+ else
+ cc=${CROSS_PREFIX}cc
+ fi
++else
++ cc=${CC}
+ fi
++
+ cflags=${CFLAGS-"-O3"}
+ # to force the asm version use: CFLAGS="-O3 -DASMV" ./configure
+ case "$cc" in
diff --git a/sys-libs/zlib/files/zlib-1.2.12-use-LDFLAGS-in-configure.patch b/sys-libs/zlib/files/zlib-1.2.12-use-LDFLAGS-in-configure.patch
new file mode 100644
index 000000000000..752a473eac22
--- /dev/null
+++ b/sys-libs/zlib/files/zlib-1.2.12-use-LDFLAGS-in-configure.patch
@@ -0,0 +1,71 @@
+https://github.com/madler/zlib/pull/599
+
+From 37c9730ba474d274f4cc6a974943eef95087b9f6 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 8 Mar 2022 22:38:47 -0800
+Subject: [PATCH] configure: Pass LDFLAGS to link tests
+
+LDFLAGS can contain critical flags without which linking wont succeed
+therefore ensure that all configure tests involving link time checks are
+using LDFLAGS on compiler commandline along with CFLAGS to ensure the
+tests perform correctly. Without this some tests may fail resulting in
+wrong confgure result, ending in miscompiling the package
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+--- a/configure
++++ b/configure
+@@ -410,7 +410,7 @@ if test $shared -eq 1; then
+ echo Checking for shared library support... | tee -a configure.log
+ # we must test in two steps (cc then ld), required at least on SunOS 4.x
+ if try $CC -w -c $SFLAGS $test.c &&
+- try $LDSHARED $SFLAGS -o $test$shared_ext $test.o; then
++ try $LDSHARED $SFLAGS $LDFLAGS -o $test$shared_ext $test.o; then
+ echo Building shared library $SHAREDLIBV with $CC. | tee -a configure.log
+ elif test -z "$old_cc" -a -z "$old_cflags"; then
+ echo No shared library support. | tee -a configure.log
+@@ -492,7 +492,7 @@ int main(void) {
+ }
+ EOF
+ fi
+- if try $CC $CFLAGS -o $test $test.c; then
++ if try $CC $CFLAGS $LDFLAGS -o $test $test.c; then
+ sizet=`./$test`
+ echo "Checking for a pointer-size integer type..." $sizet"." | tee -a configure.log
+ else
+@@ -530,7 +530,7 @@ int main(void) {
+ return 0;
+ }
+ EOF
+- if try $CC $CFLAGS -o $test $test.c; then
++ if try $CC $CFLAGS $LDFLAGS -o $test $test.c; then
+ echo "Checking for fseeko... Yes." | tee -a configure.log
+ else
+ CFLAGS="${CFLAGS} -DNO_FSEEKO"
+@@ -547,7 +547,7 @@ cat > $test.c <<EOF
+ #include <errno.h>
+ int main() { return strlen(strerror(errno)); }
+ EOF
+-if try $CC $CFLAGS -o $test $test.c; then
++if try $CC $CFLAGS $LDFLAGS -o $test $test.c; then
+ echo "Checking for strerror... Yes." | tee -a configure.log
+ else
+ CFLAGS="${CFLAGS} -DNO_STRERROR"
+@@ -654,7 +654,7 @@ int main()
+ return (mytest("Hello%d\n", 1));
+ }
+ EOF
+- if try $CC $CFLAGS -o $test $test.c; then
++ if try $CC $CFLAGS $LDFLAGS -o $test $test.c; then
+ echo "Checking for vsnprintf() in stdio.h... Yes." | tee -a configure.log
+
+ echo >> configure.log
+@@ -744,7 +744,7 @@ int main()
+ }
+ EOF
+
+- if try $CC $CFLAGS -o $test $test.c; then
++ if try $CC $CFLAGS $LDFLAGS -o $test $test.c; then
+ echo "Checking for snprintf() in stdio.h... Yes." | tee -a configure.log
+
+ echo >> configure.log
+