From: Mika Lindqvist <postmaster@raasu.org>
Date: Fri, 29 Oct 2021 17:08:30 +0000 (+0300)
Subject: [ARM] Try to compile test for float-abi detection code.
X-Git-Tag: 2.1.0-beta1~494
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e12fc9da60ae14969fb6853e51c070739f03f1b5;p=thirdparty%2Fzlib-ng.git

[ARM] Try to compile test for float-abi detection code.
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0ef7258a6..26558fd32 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -197,15 +197,24 @@ elseif(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
         if(BASEARCH_ARM_FOUND)
             if("${ARCH}" MATCHES "arm" AND NOT CMAKE_C_FLAGS MATCHES "-mfloat-abi")
                 # Auto-detect support for ARM floating point ABI
-                check_c_compiler_flag(-mfloat-abi=softfp HAVE_FLOATABI_SOFTFP)
+                set(CMAKE_REQUIRED_FLAGS "-mfloat-abi=softfp")
+                check_c_source_compiles(
+                    "#include <features.h>
+                    int main() { return 0; }"
+                    HAVE_FLOATABI_SOFTFP)
                 if(HAVE_FLOATABI_SOFTFP)
                     set(FLOATABI "-mfloat-abi=softfp")
                 else()
-                    check_c_compiler_flag(-mfloat-abi=hard HAVE_FLOATABI_HARD)
+                    set(CMAKE_REQUIRED_FLAGS "-mfloat-abi=hard")
+                    check_c_source_compiles(
+                        "#include <features.h>
+                        int main() { return 0; }"
+                        HAVE_FLOATABI_HARD)
                     if(HAVE_FLOATABI_HARD)
                         set(FLOATABI "-mfloat-abi=hard")
                     endif()
                 endif()
+                set(CMAKE_REQUIRED_FLAGS)
                 if(FLOATABI)
                     message(STATUS "ARM floating point arch: ${FLOATABI}")
                     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLOATABI}")