From 9444f8641b3dc9f3de11caa2d852400bf4776a22 Mon Sep 17 00:00:00 2001
From: Vollstrecker <werner@vollstreckernet.de>
Date: Sat, 3 Jan 2026 10:57:00 +0100
Subject: CMake: Make it work with add_subdirectory.

---
 contrib/blast/CMakeLists.txt     | 21 +++++++++++++++++++--
 contrib/iostream3/CMakeLists.txt | 22 ++++++++++++++++++++--
 contrib/puff/CMakeLists.txt      | 17 ++++++++++++++++-
 3 files changed, 55 insertions(+), 5 deletions(-)

diff --git a/contrib/blast/CMakeLists.txt b/contrib/blast/CMakeLists.txt
index b1a9065e..a917eb8d 100644
--- a/contrib/blast/CMakeLists.txt
+++ b/contrib/blast/CMakeLists.txt
@@ -40,6 +40,20 @@ if(ZLIB_BLAST_BUILD_SHARED)
                 blast.c
                 blast.h)
 
+    add_library(BLAST::BLAST ALIAS zlib_blast_blast)
+
+    if(NOT CYGWIN)
+        set_target_properties(zlib_blast_blast
+            PROPERTIES
+                SOVERSION ${blast_VERSION_MAJOR}
+                VERSION ${blast_VERSION})
+    endif(NOT CYGWIN)
+
+    set_target_properties(zlib_blast_blast
+        PROPERTIES
+            EXPORT_NAME BLAST
+            OUTPUT_NAME blast)
+
     if(ZLIB_BLAST_BUILD_TESTING)
         enable_testing()
         add_executable(blast-test blast-test.c)
@@ -69,9 +83,12 @@ if(ZLIB_BLAST_BUILD_STATIC)
                 blast.c
                 blast.h)
 
-    set_target_properties(blastStatic
+    add_library(BLAST::BLASTSTATIC ALIAS zlib_blast_blastStatic)
+
+    set_target_properties(zlib_blast_blastStatic
         PROPERTIES
-            OUTPUT_NAME blast${minizip_static_suffix})
+            EXPORT_NAME BLASTSTATIC
+            OUTPUT_NAME blast${zlibblast_static_suffix})
 
     if(ZLIB_BLAST_BUILD_TESTING)
         enable_testing()
diff --git a/contrib/iostream3/CMakeLists.txt b/contrib/iostream3/CMakeLists.txt
index 01bc279f..65f19e54 100644
--- a/contrib/iostream3/CMakeLists.txt
+++ b/contrib/iostream3/CMakeLists.txt
@@ -37,7 +37,22 @@ if(ZLIB_IOSTREAM3_BUILD_SHARED)
                 zfstream.cc
                 zfstream.h)
 
-    target_link_libraries(zlib-iostream3
+    add_library(IOSTREAMV3::IOSTREAMV3 ALIAS zlib_iostream3_iostreamv3)
+
+    if(NOT CYGWIN)
+        set_target_properties(zlib_iostream3_iostreamv3
+            PROPERTIES
+                SOVERSION ${iostreamV3_VERSION_MAJOR}
+                VERSION ${iostreamV3_VERSION})
+    endif(NOT CYGWIN)
+
+    set_target_properties(
+        zlib_iostream3_iostreamv3
+            PROPERTIES
+                EXPORT_NAME IOSTREAMV3
+                OUTPUT_NAME iostream3)
+
+    target_link_libraries(zlib_iostream3_iostreamv3
         PUBLIC ZLIB::ZLIB)
 
     if(ZLIB_IOSTREAM3_BUILD_TESTING)
@@ -61,7 +76,10 @@ if(ZLIB_IOSTREAM3_BUILD_STATIC)
                 zfstream.cc
                 zfstream.h)
 
-    target_link_libraries(zlib-iostream3Static
+    add_library(IOSTREAMV3::IOSTREAMV3STATIC
+        ALIAS zlib_iostream3_iostreamv3Static)
+
+    target_link_libraries(zlib_iostream3_iostreamv3Static
         INTERFACE ZLIB::ZLIBSTATIC)
 
     set_target_properties(zlib-iostream3Static
diff --git a/contrib/puff/CMakeLists.txt b/contrib/puff/CMakeLists.txt
index 1696c76a..0733d433 100644
--- a/contrib/puff/CMakeLists.txt
+++ b/contrib/puff/CMakeLists.txt
@@ -66,6 +66,21 @@ if(ZLIB_PUFF_BUILD_SHARED)
                 puff.c
                 puff.h)
 
+    add_library(PUFF::PUFF ALIAS zlib_puff_puff)
+
+    if(NOT CYGWIN)
+        set_target_properties(zlib_puff_puff
+            PROPERTIES
+                SOVERSION ${puff_VERSION_MAJOR}
+                VERSION ${puff_VERSION})
+    endif(NOT CYGWIN)
+
+    set_target_properties(
+        zlib_puff_puff
+            PROPERTIES
+                EXPORT_NAME PUFF
+                OUTPUT_NAME puff)
+
     if(ZLIB_PUFF_BUILD_TESTING)
         enable_testing()
 
@@ -104,7 +119,7 @@ if(ZLIB_PUFF_BUILD_STATIC)
                 puff.c
                 puff.h)
 
-    set_target_properties(zlib-puffStatic
+    add_library(PUFF::PUFFSTATIC ALIAS zlib_puff_puffStatic)
         PROPERTIES
             OUTPUT_NAME zlib-puff${zlib_puff_static_suffix})
 
-- 
cgit v1.2.3-55-g6feb