From adaacafde6661496ca2814b1e94a3ba5186428cb Mon Sep 17 00:00:00 2001
From: Jia Tan <jiat0218@gmail.com>
Date: Fri, 23 Feb 2024 20:57:59 +0800
Subject: [PATCH] Build: Define HAVE_MICROLZMA when it is configured.

---
 CMakeLists.txt | 4 ++++
 configure.ac   | 9 +++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 06282b4d..4924f436 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -819,6 +819,10 @@ if(MICROLZMA_DECODER)
     target_sources(liblzma PRIVATE src/liblzma/common/microlzma_decoder.c)
 endif()
 
+if (MICROLZMA_ENCODER OR MICROLZMA_DECODER)
+    add_compile_definitions(HAVE_MICROLZMA)
+endif()
+
 
 #############################
 # lzip (.lz) format support #
diff --git a/configure.ac b/configure.ac
index 4476c8b4..3676cd03 100644
--- a/configure.ac
+++ b/configure.ac
@@ -304,8 +304,13 @@ AC_ARG_ENABLE([microlzma], AS_HELP_STRING([--disable-microlzma],
 		for example, erofs-utils.]),
 	[], [enable_microlzma=yes])
 case $enable_microlzma in
-	yes | no)
-		AC_MSG_RESULT([$enable_microlzma])
+	yes)
+		AC_DEFINE([HAVE_MICROLZMA], [1],
+			[Define to 1 if MicroLZMA support is enabled.])
+		AC_MSG_RESULT([yes])
+		;;
+	no)
+		AC_MSG_RESULT([no])
 		;;
 	*)
 		AC_MSG_RESULT([])