1 files changed, 43 insertions, 0 deletions
diff --git a/biology/viennarna/files/patch-m4_ac__rna__build__requirements.m4 b/biology/viennarna/files/patch-m4_ac__rna__build__requirements.m4
new file mode 100644
index 000000000000..67d75c4a94c0
--- /dev/null
+++ b/biology/viennarna/files/patch-m4_ac__rna__build__requirements.m4
@@ -0,0 +1,43 @@
+# Use system dlib instead of bundled version
+# - Replace bundled dlib detection with pkg-config
+# - Use system dlib from science/dlib-cpp port
+# - Remove hardcoded paths to bundled dlib-19.24
+--- m4/ac_rna_build_requirements.m4.orig	2024-06-01 20:46:46 UTC
++++ m4/ac_rna_build_requirements.m4
+@@ -253,28 +253,18 @@ AC_DEFUN([RNA_CHECK_DLIB], [
+ 
+ AC_DEFUN([RNA_CHECK_DLIB], [
+   AX_CXX_COMPILE_STDCXX(17, noext, mandatory)
+-  DLIB_VERSION=19.24
+-  DLIB_DIR="dlib-${DLIB_VERSION}"
+-  DLIB_PATH="${srcdir}/src/${DLIB_DIR}"
+-  DLIB_SRC_FILE="${DLIB_PATH}/dlib/all/source.cpp"
+ 
+-  AC_RNA_TEST_FILE($DLIB_SRC_FILE,[],[
++  dnl Check for system dlib using pkg-config
++  PKG_CHECK_MODULES([DLIB], [dlib-1 >= 19.0], [
++    AC_DEFINE([HAVE_DLIB], [1], [Define if you have dlib])
++  ], [
+     AC_MSG_ERROR([
+-=================================================
+-Can't find dlib's source.cpp
+-
+-Make sure you've unpacked 'src/dlib-${DLIB_VERSION}.tar.bz2'!
+-
+-Usually, you only need to execute the following command:
+-
+-tar -xjf src/dlib-${DLIB_VERSION}.tar.bz2 -C src/
+-=================================================
+-])
++dlib development library not found. Please install dlib-cpp port.
++    ])
+   ])
+ 
+-  AC_SUBST(DLIB_CPPFLAGS, "-I\$(top_srcdir)/src/${DLIB_DIR} -DDLIB_NO_GUI_SUPPORT")
+-  AC_SUBST(DLIB_DIR)
+-  AC_SUBST(DLIB_VERSION)
++  AC_SUBST(DLIB_CPPFLAGS, "${DLIB_CFLAGS} -DDLIB_NO_GUI_SUPPORT")
++  AC_SUBST(DLIB_LIBS, "${DLIB_LIBS}")
+ 
+ ])
+