.gitignore

@@ -22,11 +22,3 @@
 /gcc-15.2.1-20251022.tar.xz
 /gcc-15.2.1-20251111.tar.xz
 /gcc-15.2.1-20251211.tar.xz
-/gcc-16.0.0-20251218.tar.xz
-/gcc-16.0.0-20251220.tar.xz
-/gcc-16.0.0-20260103.tar.xz
-/gcc-16.0.0-20260110.tar.xz
-/gcc-16.0.0-20260112.tar.xz
-/gcc-16.0.1-20260112.tar.xz
-/gcc-16.0.1-20260113.tar.xz
-/gcc-16.0.1-20260115.tar.xz

gcc15-Wno-format-security.patch

@@ -32,16 +32,14 @@
  fi
 --- Makefile.tpl.jj	2023-11-29 13:21:41.680292662 +0100
 +++ Makefile.tpl	2024-11-30 13:35:29.303196246 +0100
-@@ -450,10 +450,10 @@ LDFLAGS = @LDFLAGS@
+@@ -450,9 +450,9 @@ LDFLAGS = @LDFLAGS@
  LIBCFLAGS = $(CFLAGS)
  CXXFLAGS = @CXXFLAGS@
  LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
 -GOCFLAGS = $(CFLAGS)
--A68FLAGS = @A68FLAGS@
 -GDCFLAGS = @GDCFLAGS@
 -GM2FLAGS = $(CFLAGS)
 +GOCFLAGS = $(filter-out -Wformat-security,$(CFLAGS))
-+A68FLAGS = $(filter-out -Wformat-security,@A68FLAGS@)
 +GDCFLAGS = $(filter-out -Wformat-security,@GDCFLAGS@)
 +GM2FLAGS = $(filter-out -Wformat-security,$(CFLAGS))
  
@@ -49,16 +47,14 @@
  
 --- Makefile.in.jj	2023-11-29 13:21:41.691292507 +0100
 +++ Makefile.in	2024-11-30 13:36:12.113594079 +0100
-@@ -447,10 +447,10 @@ LDFLAGS = @LDFLAGS@
+@@ -447,9 +447,9 @@ LDFLAGS = @LDFLAGS@
  LIBCFLAGS = $(CFLAGS)
  CXXFLAGS = @CXXFLAGS@
  LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
 -GOCFLAGS = $(CFLAGS)
--A68FLAGS = @A68FLAGS@
 -GDCFLAGS = @GDCFLAGS@
 -GM2FLAGS = $(CFLAGS)
 +GOCFLAGS = $(filter-out -Wformat-security,$(CFLAGS))
-+A68FLAGS = $(filter-out -Wformat-security,@A68FLAGS@)
 +GDCFLAGS = $(filter-out -Wformat-security,@GDCFLAGS@)
 +GM2FLAGS = $(filter-out -Wformat-security,$(CFLAGS))
  

gcc15-hack.patch

@@ -64,7 +64,7 @@
 +				infodir="$(infodir)" \
  				GOCFLAGS="$(GOCFLAGS) $${flags}" \
  				GDCFLAGS="$(GDCFLAGS) $${flags}" \
- 				A68FLAGS="$(A68FLAGS) $${flags}" \
+ 				CXXFLAGS="$(CXXFLAGS) $${flags}" \
 --- libcpp/macro.cc.jj	2019-01-09 13:01:21.420552123 +0100
 +++ libcpp/macro.cc	2024-11-30 13:16:41.163056391 +0100
 @@ -3680,8 +3680,6 @@ static cpp_macro *

gcc15-libgomp-strchr.patch

@@ -0,0 +1,15 @@
+2025-11-22  Frank Scheiner  <frank.scheiner@web.de>
+
+	* affinity-fmt.c: Make char *q a pointer to a const char.
+
+--- libgomp/affinity-fmt.c.jj
++++ libgomp/affinity-fmt.c
+@@ -327,7 +327,7 @@ gomp_display_affinity (char *buffer, size_t size,
+ 	      }
+ 	  if (c == '{')
+ 	    {
+-	      char *q = strchr (p + 1, '}');
++	      const char *q = strchr (p + 1, '}');
+ 	      if (q)
+ 		gomp_fatal ("unsupported long type name '%.*s' in affinity "
+ 			    "format", (int) (q - (p + 1)), p + 1);

gcc15-libstdc++-docs.patch

@@ -4,7 +4,7 @@
        <a class="link" href="https://www.fsf.org" target="_top">FSF
        </a>
      </p><p>
-+      Release 16.0.1
++      Release 15.2.1
 +    </p><p>
        Permission is granted to copy, distribute and/or modify this
        document under the terms of the GNU Free Documentation
@@ -17,7 +17,7 @@
  </p><p>
 -  The API documentation, rendered into HTML, can be viewed online
 +  The API documentation, rendered into HTML, can be viewed locally
-+  <a class="link" href="api/index.html" target="_top">for the 16.0.1 release</a>,
++  <a class="link" href="api/index.html" target="_top">for the 15.2.1 release</a>,
 +  online
    <a class="link" href="https://gcc.gnu.org/onlinedocs/" target="_top">for each GCC release</a>
    and

gcc15-no-add-needed.patch

@@ -34,4 +34,4 @@
 +#define LINK_EH_SPEC "--no-add-needed %{!static|static-pie:--eh-frame-hdr} "
  #endif
  
- 
+ #define GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC \

gcc16-pr123273.patch

@@ -1,54 +0,0 @@
-2026-01-06  Jakub Jelinek  <jakub@redhat.com>
-
-	PR preprocessor/123273
-	* lex.cc (cpp_directive_only_process): Only go to done_comment
-	for '/' if star is true and esc is false.  When seeing '\\' with
-	esc set to true, clear esc as well as star instead of keeping esc
-	set.
-
-	* c-c++-common/cpp/dir-only-10.c: New test.
-	* c-c++-common/cpp/dir-only-11.c: New test.
-
---- libcpp/lex.cc.jj	2026-01-02 09:56:10.417332292 +0100
-+++ libcpp/lex.cc	2026-01-05 16:40:26.413766032 +0100
-@@ -5461,7 +5461,13 @@ cpp_directive_only_process (cpp_reader *
- 		    switch (c)
- 		      {
- 		      case '\\':
--			esc = true;
-+			if (esc)
-+			  {
-+			    star = false;
-+			    esc = false;
-+			  }
-+			else
-+			  esc = true;
- 			break;
- 
- 		      case '\r':
-@@ -5492,7 +5498,7 @@ cpp_directive_only_process (cpp_reader *
- 			break;
- 
- 		      case '/':
--			if (star)
-+			if (star && !esc)
- 			  goto done_comment;
- 			/* FALLTHROUGH  */
- 
---- gcc/testsuite/c-c++-common/cpp/dir-only-10.c.jj	2026-01-05 17:04:26.144566116 +0100
-+++ gcc/testsuite/c-c++-common/cpp/dir-only-10.c	2026-01-05 17:05:02.226946201 +0100
-@@ -0,0 +1,5 @@
-+/* PR preprocessor/123273 */
-+/* { dg-do preprocess } */
-+/* { dg-options -fdirectives-only } */
-+
-+/* *\/""" */
---- gcc/testsuite/c-c++-common/cpp/dir-only-11.c.jj	2026-01-05 17:05:18.498666647 +0100
-+++ gcc/testsuite/c-c++-common/cpp/dir-only-11.c	2026-01-05 17:06:17.574651691 +0100
-@@ -0,0 +1,6 @@
-+/* PR preprocessor/123273 */
-+/* { dg-do preprocess } */
-+/* { dg-options -fdirectives-only } */
-+
-+/* *\\
-+/""" */

sources

@@ -1,4 +1,4 @@
-SHA512 (gcc-16.0.1-20260115.tar.xz) = 51ab079dedde5547caba601ce03954d4c5b2bf687538f106d3e851a8918162017fe65817d9e22fd115cf4d4f970bfba6a70a34db183141ce28c5c203a68eec0b
+SHA512 (gcc-15.2.1-20251211.tar.xz) = 9ad5a1ef0f21327fafe37eb52a2e8ff4ebd773c34e9a70053fa70436fa7d35b1eb3b85f0a38211b06fba3fc6a3e35dcb939822d0c0eca1592ea24aa6b2726c99
 SHA512 (isl-0.24.tar.bz2) = aab3bddbda96b801d0f56d2869f943157aad52a6f6e6a61745edd740234c635c38231af20bc3f1a08d416a5e973a90e18249078ed8e4ae2f1d5de57658738e95
 SHA512 (newlib-cygwin-d35cc82b5ec15bb8a5fe0fe11e183d1887992e99.tar.xz) = ef9495745a96d1d76f9f425c4a48c807fface36a1aa92351c5d024103678d144d046e8de55d195103784472c14874e29e4b9284d5d6a2e7bb27fd98c8455a881
 SHA512 (nvptx-tools-a0c1fff6534a4df9fb17937c3c4a4b1071212029.tar.xz) = 7f862986065028df70c843fc3f2c89e200a76b48ad0bd51c749ac8a5aab7be0ebdf35be182fad2407b3281615e75be1ac6833ab6a5130ae9920169a0412f94f0