Make freetype, libpng, expat and pcre headers available for cairo

aosp_diff/preliminary/external/expat/0001-Make-the-headers-available-for-other-projects.patch

@@ -0,0 +1,32 @@
+From bd935febc81401c4984de8cdf90a33b564ccb918 Mon Sep 17 00:00:00 2001
+From: Sapna <sapna1.singh@intel.com>
+Date: Thu, 3 Apr 2025 10:40:45 +0530
+Subject: [PATCH] Make the headers available for other projects
+
+Signed-off-by: Sapna <sapna1.singh@intel.com>
+---
+ Android.bp | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/Android.bp b/Android.bp
+index 5537fb0d..13d33253 100644
+--- a/Android.bp
++++ b/Android.bp
+@@ -37,6 +37,14 @@ license {
+     ],
+ }
+
++cc_library_headers {
++    name: "expat_headers",
++
++    export_include_dirs: [
++        "lib",
++    ],
++}
++
+ cc_library {
+     name: "libexpat",
+     vendor_available: true,
+-- 
+2.42.0
+

aosp_diff/preliminary/external/freetype/0001-Make-the-headers-available-for-other-projects.patch

@@ -0,0 +1,41 @@
+From 2bcad1d53237e2ce4fd251748174d7b1da67ba72 Mon Sep 17 00:00:00 2001
+From: Sapna <sapna1.singh@intel.com>
+Date: Thu, 3 Apr 2025 10:49:00 +0530
+Subject: [PATCH] Make the headers available for other projects
+
+Signed-off-by: Sapna <sapna1.singh@intel.com>
+---
+ Android.bp | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/Android.bp b/Android.bp
+index 162c230b6..63e49672f 100644
+--- a/Android.bp
++++ b/Android.bp
+@@ -48,6 +48,15 @@ license {
+     ],
+ }
+
++cc_library_headers {
++    name: "freetype_headers",
++
++    export_include_dirs: [
++        "include",
++        "src/gzip",
++    ],
++}
++
+ cc_defaults {
+     name: "libft2_defaults",
+     host_supported: true,
+@@ -89,6 +98,7 @@ cc_defaults {
+         "src/svg/svg.c",
+         "src/truetype/truetype.c",
+         "src/type1/type1.c",
++        "src/base/ftsynth.c",
+     ],
+
+     export_include_dirs: ["include"],
+-- 
+2.42.0
+

aosp_diff/preliminary/external/libpng/0001-Make-the-headers-available-for-other-projects.patch

@@ -0,0 +1,32 @@
+From 84531adea873617aae24d296bc82ae2042909764 Mon Sep 17 00:00:00 2001
+From: Sapna <sapna1.singh@intel.com>
+Date: Thu, 3 Apr 2025 10:48:25 +0530
+Subject: [PATCH] Make the headers available for other projects
+
+Signed-off-by: Sapna <sapna1.singh@intel.com>
+---
+ Android.bp | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/Android.bp b/Android.bp
+index da4b6c966..9a5439e65 100644
+--- a/Android.bp
++++ b/Android.bp
+@@ -42,6 +42,14 @@ license {
+     ],
+ }
+
++cc_library_headers {
++    name: "png_headers",
++
++    export_include_dirs: [
++        ".",
++    ],
++}
++
+ cc_defaults {
+     name: "libpng-defaults",
+     exclude_srcs: [
+-- 
+2.42.0
+

aosp_diff/preliminary/external/pcre/0001-Make-the-headers-available-for-other-projects.patch

@@ -0,0 +1,32 @@
+From c7dc0bfbd7f7844a1096eec822846baa6dbf8032 Mon Sep 17 00:00:00 2001
+From: Sapna <sapna1.singh@intel.com>
+Date: Thu, 3 Apr 2025 10:47:11 +0530
+Subject: [PATCH] Make the headers available for other projects
+
+Signed-off-by: Sapna <sapna1.singh@intel.com>
+---
+ Android.bp | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/Android.bp b/Android.bp
+index 49413e2d..6b9d9a77 100644
+--- a/Android.bp
++++ b/Android.bp
+@@ -31,6 +31,14 @@ license {
+     ],
+ }
+
++cc_library_headers {
++    name: "pcre_headers",
++
++    export_include_dirs: [
++        "include",
++    ],
++}
++
+ cc_defaults {
+     name: "pcre_defaults",
+     cflags: [
+-- 
+2.42.0
+