1 files changed, 77 insertions, 0 deletions
diff --git a/meta-oe/recipes-graphics/fontforge/fontforge/0001-cmake-Use-alternate-way-to-detect-libm.patch b/meta-oe/recipes-graphics/fontforge/fontforge/0001-cmake-Use-alternate-way-to-detect-libm.patch
new file mode 100644
index 0000000000..573866eb15
--- /dev/null
+++ b/meta-oe/recipes-graphics/fontforge/fontforge/0001-cmake-Use-alternate-way-to-detect-libm.patch
@@ -0,0 +1,77 @@
+From 644c3380f75b20a11755e7052aa632887f3eee2b Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Thu, 7 Jul 2022 12:32:47 -0700
+Subject: [PATCH] cmake: Use alternate way to detect libm
+
+The standard package provided with MathLib cmake module does not work
+when libm is folded into libc starting glibc 2.35+
+
+Upstream-Status: Pending
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+---
+ CMakeLists.txt                   | 7 ++++++-
+ contrib/fonttools/CMakeLists.txt | 2 +-
+ fontforge/CMakeLists.txt         | 2 +-
+ fontforgeexe/CMakeLists.txt      | 2 +-
+ 4 files changed, 9 insertions(+), 4 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index e234cb6e9..284ba2d20 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -115,9 +115,14 @@ else()
+ endif()
+ find_package(Iconv REQUIRED)
+ find_package(LibXml2 REQUIRED)
+-find_package(MathLib REQUIRED)
+ find_package(ZLIB REQUIRED)
+ 
++include(CheckLibraryExists)
++CHECK_LIBRARY_EXISTS(m pow "" HAVE_LIB_M)
++if (HAVE_LIB_M)
++    set(EXTRA_LIBS ${EXTRA_LIBS} m)
++endif (HAVE_LIB_M)
++
+ check_include_file(pthread.h HAVE_PTHREAD_H)
+ if(HAVE_PTHREAD_H)
+   find_package(Threads)
+diff --git a/contrib/fonttools/CMakeLists.txt b/contrib/fonttools/CMakeLists.txt
+index d6c698877..1608af152 100644
+--- a/contrib/fonttools/CMakeLists.txt
++++ b/contrib/fonttools/CMakeLists.txt
+@@ -15,7 +15,7 @@ add_executable(woff woff.c)
+ 
+ target_link_libraries(acorn2sfd PRIVATE fontforge)
+ target_link_libraries(dewoff PRIVATE ZLIB::ZLIB)
+-target_link_libraries(pcl2ttf PRIVATE MathLib::MathLib)
++target_link_libraries(pcl2ttf PRIVATE ${EXTRA_LIBS})
+ target_link_libraries(ttf2eps PRIVATE fontforge)
+ target_link_libraries(woff PRIVATE ZLIB::ZLIB)
+ 
+diff --git a/fontforge/CMakeLists.txt b/fontforge/CMakeLists.txt
+index 9a052f360..067ef40df 100644
+--- a/fontforge/CMakeLists.txt
++++ b/fontforge/CMakeLists.txt
+@@ -237,7 +237,7 @@ target_link_libraries(fontforge
+     GLIB::GLIB
+     Intl::Intl
+   PRIVATE
+-    MathLib::MathLib
++    ${EXTRA_LIBS}
+     Iconv::Iconv
+     ZLIB::ZLIB
+ )
+diff --git a/fontforgeexe/CMakeLists.txt b/fontforgeexe/CMakeLists.txt
+index e2982c39d..8829993ea 100644
+--- a/fontforgeexe/CMakeLists.txt
++++ b/fontforgeexe/CMakeLists.txt
+@@ -121,7 +121,7 @@ if(ENABLE_PYTHON_SCRIPTING_RESULT)
+   target_link_libraries(fontforgeexe PRIVATE Python3::Python)
+ endif()
+ 
+-target_link_libraries(fontforgeexe PRIVATE fontforge Iconv::Iconv MathLib::MathLib)
++target_link_libraries(fontforgeexe PRIVATE fontforge Iconv::Iconv ${EXTRA_LIBS})
+ install(TARGETS fontforgeexe RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+ 
+ if(UNIX)