diff --git a/gdal.spec b/gdal.spec
index 73ac7c3a17950c64d436914e5d0585ebcbea4c7a..15310035090f553453f98a1eabbaf48d2390358f 100644
--- a/gdal.spec
+++ b/gdal.spec
@@ -23,7 +23,7 @@
 
 Name:          gdal
 Version:       3.7.3
-Release:       2
+Release:       3
 Summary:       GIS file format library
 License:       MIT
 URL:           http://www.gdal.org
@@ -39,7 +39,6 @@ Patch0:        gdal_utils.patch
 Patch1:        0001-Fix-build-error-with-libxml2-2.12.patch
 Patch2:        0002-Fix-build-error-with-pre-installed-version-in-the-PA.patch
 
-
 BuildRequires: cmake
 BuildRequires: gcc-c++
 BuildRequires: gmock-devel
@@ -195,6 +194,9 @@ rm -rf third_party/LercLib
 tar xf %{SOURCE1}
 mv %{name}autotest-%{version} autotest
 
+# autotest/cpp uses private -O0 where it does not like any level of FORTIFY_SOURCE
+sed -i -e 's/-D_FORTIFY_SOURCE=2/%{?_fortify_level_flags}%{!?_fortify_level_flags:-Wp,-D_FORTIFY_SOURCE=2}/g' autotest/cpp/CMakeLists.txt
+
 # Need to patch autotest
 %autopatch -p1
 
@@ -205,7 +207,6 @@ mv %{name}autotest-%{version} autotest
   -DGDAL_USE_JPEG12_INTERNAL=OFF \
   -DENABLE_DEFLATE64=OFF \
   -DGDAL_USE_LERC_INTERNAL=OFF
-sed -i "s#-Wp,  -Wp,#-Wp,#g" `grep "Wp,  -Wp," -rl ./`
 %cmake_build
 
 %if %{with mingw}
@@ -335,6 +336,9 @@ cp -a %{SOURCE3} %{buildroot}%{_bindir}/%{name}-config
 %{_jnidir}/%{name}/gdal-%{version}-javadoc.jar
 
 %changelog
+* Fri Jan 24 2025 Funda Wang <fundawang@yeah.net> - 3.7.3-3
+- fix build with latest cflags
+
 * Fri Nov 15 2024 Dongxing Wang <dongxing.wang_a@thundersoft.com> - 3.7.3-2
 - Fix gdal-config-64 missing