dev-db/postgresql: Support LLVM 21

Signed-off-by: Patrick Lauer <patrick@gentoo.org>

dev-db/postgresql/files/postgresql-17.6-llvm21.patch

@@ -0,0 +1,36 @@
+From 282d0bdee6192f1a859ee34672ae73abf49794dc Mon Sep 17 00:00:00 2001
+From: Peter Eisentraut <peter@eisentraut.org>
+Date: Mon, 15 Sep 2025 08:13:21 +0200
+Subject: [PATCH 1/1] jit: fix build with LLVM-21
+MIME-Version: 1.0
+Content-Type: text/plain; charset=utf8
+Content-Transfer-Encoding: 8bit
+
+LLVM-21 renamed llvm::GlobalValue::getGUID() to
+getGUIDAssumingExternalLinkage(), so add a version guard.
+
+Author: Holger Hoffstätte <holger@applied-asynchrony.com>
+Discussion: https://www.postgresql.org/message-id/flat/d25e6e4a-d1b4-84d3-2f8a-6c45b975f53d%40applied-asynchrony.com
+---
+ src/backend/jit/llvm/llvmjit_inline.cpp | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/backend/jit/llvm/llvmjit_inline.cpp b/src/backend/jit/llvm/llvmjit_inline.cpp
+index 2764c3bbe2f..51b32cd9f94 100644
+--- a/src/backend/jit/llvm/llvmjit_inline.cpp
++++ b/src/backend/jit/llvm/llvmjit_inline.cpp
+@@ -238,7 +238,11 @@ llvm_build_inline_plan(LLVMContextRef lc, llvm::Module *mod)
+ 
+ 		llvm_split_symbol_name(symbolName.data(), &cmodname, &cfuncname);
+ 
++#if LLVM_VERSION_MAJOR >= 21
++		funcGUID = llvm::GlobalValue::getGUIDAssumingExternalLinkage(cfuncname);
++#else
+ 		funcGUID = llvm::GlobalValue::getGUID(cfuncname);
++#endif
+ 
+ 		/* already processed */
+ 		if (inlineState.processed)
+-- 
+2.39.5
+

dev-db/postgresql/postgresql-13.22-r2.ebuild

@@ -4,7 +4,7 @@
 EAPI=8
 
 PYTHON_COMPAT=( python3_{11..14} )
-LLVM_COMPAT=( {15..20} )
+LLVM_COMPAT=( {15..21} )
 LLVM_OPTIONAL=1
 
 inherit dot-a flag-o-matic linux-info llvm-r1 pam python-single-r1 systemd tmpfiles
@@ -83,6 +83,9 @@ RDEPEND="${CDEPEND}
 selinux? ( sec-policy/selinux-postgresql )
 "
 
+PATCHES=( "${FILESDIR}"/${PN}-13.3-riscv-spinlocks.patch
+	"${FILESDIR}"/postgresql-17.6-llvm21.patch )
+
 pkg_setup() {
 	use llvm && llvm-r1_pkg_setup
 
@@ -92,8 +95,6 @@ pkg_setup() {
 }
 
 src_prepare() {
-	eapply "${FILESDIR}"/${PN}-13.3-riscv-spinlocks.patch
-
 	# Set proper run directory
 	sed "s|\(PGSOCKET_DIR\s\+\)\"/tmp\"|\1\"${EPREFIX}/run/postgresql\"|" \
 		-i src/include/pg_config_manual.h || die
@@ -111,6 +112,7 @@ src_prepare() {
 			die 'PGSQL_PAM_SERVICE rename failed.'
 	fi
 
+	default
 	eapply_user
 }
 

dev-db/postgresql/postgresql-14.19-r2.ebuild

@@ -4,7 +4,7 @@
 EAPI=8
 
 PYTHON_COMPAT=( python3_{11..14} )
-LLVM_COMPAT=( {15..20} )
+LLVM_COMPAT=( {15..21} )
 LLVM_OPTIONAL=1
 
 inherit dot-a flag-o-matic linux-info llvm-r1 pam python-single-r1 systemd tmpfiles
@@ -84,6 +84,8 @@ RDEPEND="${CDEPEND}
 selinux? ( sec-policy/selinux-postgresql )
 "
 
+PATCHES=( "${FILESDIR}"/postgresql-17.6-llvm21.patch )
+
 pkg_setup() {
 	use llvm && llvm-r1_pkg_setup
 
@@ -110,6 +112,7 @@ src_prepare() {
 			die 'PGSQL_PAM_SERVICE rename failed.'
 	fi
 
+	default
 	eapply_user
 }
 

dev-db/postgresql/postgresql-15.14-r2.ebuild

@@ -4,7 +4,7 @@
 EAPI=8
 
 PYTHON_COMPAT=( python3_{11..14} )
-LLVM_COMPAT=( {15..20} )
+LLVM_COMPAT=( {15..21} )
 LLVM_OPTIONAL=1
 
 inherit dot-a flag-o-matic linux-info llvm-r1 pam python-single-r1 systemd tmpfiles
@@ -85,6 +85,8 @@ RDEPEND="${CDEPEND}
 selinux? ( sec-policy/selinux-postgresql )
 "
 
+PATCHES=( "${FILESDIR}"/postgresql-17.6-llvm21.patch )
+
 pkg_setup() {
 	use llvm && llvm-r1_pkg_setup
 
@@ -111,6 +113,7 @@ src_prepare() {
 			die 'PGSQL_PAM_SERVICE rename failed.'
 	fi
 
+	default
 	eapply_user
 }
 

dev-db/postgresql/postgresql-16.10-r2.ebuild

@@ -4,7 +4,7 @@
 EAPI=8
 
 PYTHON_COMPAT=( python3_{11..14} )
-LLVM_COMPAT=( {15..20} )
+LLVM_COMPAT=( {15..21} )
 LLVM_OPTIONAL=1
 
 inherit dot-a flag-o-matic linux-info llvm-r1 pam python-single-r1 systemd tmpfiles
@@ -86,6 +86,8 @@ RDEPEND="${CDEPEND}
 selinux? ( sec-policy/selinux-postgresql )
 "
 
+PATCHES=( "${FILESDIR}"/postgresql-17.6-llvm21.patch )
+
 pkg_setup() {
 	use llvm && llvm-r1_pkg_setup
 
@@ -112,6 +114,7 @@ src_prepare() {
 			die 'PGSQL_PAM_SERVICE rename failed.'
 	fi
 
+	default
 	eapply_user
 }
 

dev-db/postgresql/postgresql-17.6-r1.ebuild

@@ -4,7 +4,7 @@
 EAPI=8
 
 PYTHON_COMPAT=( python3_{11..14} )
-LLVM_COMPAT=( {15..20} )
+LLVM_COMPAT=( {15..21} )
 LLVM_OPTIONAL=1
 
 inherit dot-a flag-o-matic linux-info llvm-r1 pam python-single-r1 systemd tmpfiles
@@ -98,6 +98,8 @@ dev-libs/libxml2
 dev-libs/libxslt
 "
 
+PATCHES=( "${FILESDIR}"/postgresql-17.6-llvm21.patch )
+
 pkg_setup() {
 	use llvm && llvm-r1_pkg_setup
 
@@ -124,6 +126,7 @@ src_prepare() {
 			die 'PGSQL_PAM_SERVICE rename failed.'
 	fi
 
+	default
 	eapply_user
 }
 

dev-db/postgresql/postgresql-18_rc1-r2.ebuild

@@ -4,7 +4,7 @@
 EAPI=8
 
 PYTHON_COMPAT=( python3_{11..14} )
-LLVM_COMPAT=( {15..20} )
+LLVM_COMPAT=( {15..21} )
 LLVM_OPTIONAL=1
 
 inherit dot-a flag-o-matic linux-info llvm-r1 pam python-single-r1 systemd tmpfiles
@@ -101,6 +101,8 @@ dev-libs/libxml2
 dev-libs/libxslt
 "
 
+PATCHES=( "${FILESDIR}"/postgresql-17.6-llvm21.patch )
+
 pkg_setup() {
 	use llvm && llvm-r1_pkg_setup
 
@@ -127,6 +129,7 @@ src_prepare() {
 			die 'PGSQL_PAM_SERVICE rename failed.'
 	fi
 
+	default
 	eapply_user
 }
 

dev-db/postgresql/postgresql-9999.ebuild

@@ -4,7 +4,7 @@
 EAPI=8
 
 PYTHON_COMPAT=( python3_{11..14} )
-LLVM_COMPAT=( {15..20} )
+LLVM_COMPAT=( {15..21} )
 LLVM_OPTIONAL=1
 
 inherit dot-a flag-o-matic linux-info llvm-r1 meson pam python-single-r1 \