adapted from openssl by @jeroen

.Rbuildignore

@@ -11,3 +11,4 @@
 ^codecov\.yml$
 .lintr
 ^configure.log$
+^README.Rmd$

DESCRIPTION

@@ -32,8 +32,8 @@ Suggests:
     testthat
 LinkingTo: Rcpp, BH
 ByteCompile: yes
-SystemRequirements: OpenSSL >= 1.0.1
+SystemRequirements: OpenSSL >= 1.0.2
 VignetteBuilder: knitr
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
-RoxygenNote: 7.2.3
+RoxygenNote: 7.3.1

configure

@@ -1,4 +1,4 @@
-# Anticonf (tm) script by Jeroen Ooms (2020)
+# Anticonf (tm) script by Jeroen Ooms (2023)
 # This script will query 'pkg-config' for the required cflags and ldflags.
 # If pkg-config is unavailable or does not find the library, try setting
 # INCLUDE_DIR and LIB_DIR manually via e.g:
@@ -17,8 +17,13 @@ PKG_CFLAGS=""
 # Build against a specific openssl version
 # export PKG_CONFIG_PATH="/usr/local/opt/[email protected]/lib/pkgconfig"
 
+# On MacOS we avoid legacy versions of openssl
+if [ `uname` = "Darwin" ]; then
+MINVERSION="--atleast-version=3"
+fi
+
 # Use pkg-config if available
-pkg-config ${PKG_CONFIG_NAME} --atleast-version=1.0  2>/dev/null
+pkg-config ${PKG_CONFIG_NAME} ${MINVERSION} 2>/dev/null
 if [ $? -eq 0 ]; then
   PKGCONFIG_CFLAGS=`pkg-config --cflags ${PKG_CONFIG_NAME}`
   PKGCONFIG_LIBS=`pkg-config --libs ${PKG_CONFIG_NAME}`
@@ -37,14 +42,19 @@ elif [ `uname` = "Darwin" ]; then
   test ! "$CI" && brew --version 2>/dev/null
   if [ $? -eq 0 ]; then
     BREWDIR=`brew --prefix`
-    PKG_CFLAGS="-I$BREWDIR/opt/openssl/include -I$BREWDIR/opt/[email protected]/include"
-    PKG_LIBS="-L$BREWDIR/opt/openssl/lib -L$BREWDIR/opt/[email protected]/lib $PKG_LIBS"
+    PKG_CFLAGS="-I$BREWDIR/opt/openssl/include"
+    PKG_LIBS="-L$BREWDIR/opt/openssl/lib $PKG_LIBS"
   else
     curl -sfL "https://autobrew.github.io/scripts/$PKG_BREW_NAME" > autobrew
     . ./autobrew
   fi
 fi
 
+# Fix broken homebrew [email protected]
+if echo "$PKG_LIBS" | grep -q '/opt/homebrew/Cellar/openssl@3/3.3.0 -lssl -lcrypto'; then
+    PKG_LIBS=$(echo "$PKG_LIBS" | sed 's|/opt/homebrew/Cellar/openssl@3/3.3.0|/opt/homebrew/Cellar/openssl@3/3.3.0/lib|g')
+fi
+
 # Find compiler
 CC=`${R_HOME}/bin/R CMD config CC`
 CFLAGS=`${R_HOME}/bin/R CMD config CFLAGS`
@@ -76,7 +86,7 @@ fi
 
 # Try to link against the correct OpenSSL version
 if [ -z "$AUTOBREW" ]; then
-SONAME=`${CC} -E ${PKG_CFLAGS} src/tests/soname.h | sh | xargs`
+SONAME=`${CC} -E ${PKG_CFLAGS} src/tests/soname.h | grep 'echo' | sh | xargs`
 if [ "$SONAME" ]; then
 if [ `uname` = "Darwin" ]; then
   PKG_LIBS_VERSIONED=`echo "${PKG_LIBS}" | sed "s/-lssl/-lssl.${SONAME}/" | sed "s/-lcrypto/-lcrypto.${SONAME}/"`

src/Makevars.in

@@ -1,7 +1,9 @@
 PKG_CPPFLAGS = @cflags@
-PKG_LIBS = `$(R_HOME)/bin/Rscript -e "Rcpp:::LdFlags()"` -lz  @libs@
+PKG_LIBS = -lz @libs@
 
 all: clean
 
+$(SHLIB): $(OBJECTS)
+
 clean:
 	rm -f $(OBJECTS) $(SHLIB)

src/Makevars.win

@@ -1,11 +1,23 @@
-VERSION=1.1.1k
-PKG_CPPFLAGS= -I../windows/openssl-$(VERSION)/include
-PKG_LIBS = -L../windows/openssl-$(VERSION)/lib${R_ARCH}${CRT} -lz -lcrypto -lws2_32 -lcrypt32
+RWINLIB = ../windows/libssl
+TARGET = lib$(subst gcc,,$(COMPILED_BY))$(R_ARCH)
+PKG_CPPFLAGS = -I$(RWINLIB)/include -DOPENSSL_SUPPRESS_DEPRECATED
 
-all: clean winlibs
+PKG_LIBS = \
+	-L$(RWINLIB)/$(TARGET) \
+	-L$(RWINLIB)/lib \
+	-lssl -lcrypto -lz -lws2_32 -lcrypt32
+
+#all: clean
+all: $(SHLIB)
+
+$(OBJECTS): winlibs
+
+$(SHLIB): $(OBJECTS)
+
+winlibs:
+	"${R_HOME}/bin${R_ARCH_BIN}/Rscript.exe" "../tools/winlibs.R"
 
 clean:
 	rm -f $(SHLIB) $(OBJECTS)
 
-winlibs:
-	"${R_HOME}/bin${R_ARCH_BIN}/Rscript.exe" "../tools/winlibs.R" $(VERSION)
+.PHONY: all clean winlibs

tools/winlibs.R

@@ -1,10 +1,18 @@
-# Build against mingw-w64 build of openssl
-VERSION <- commandArgs(TRUE)
-if (!file.exists(sprintf("../windows/openssl-%s/include/openssl/ssl.h", VERSION))){
-  if (getRversion() < "3.3.0") setInternet2()
-  download.file(sprintf("https://github.com/rwinlib/openssl/archive/v%s.zip", VERSION),
-                "lib.zip", quiet = TRUE)
+if(!file.exists("../windows/libssl/include/openssl/pem.h")){
+  unlink("../windows", recursive = TRUE)
+  url <- if(grepl("aarch", R.version$platform)){
+    "https://github.com/r-windows/bundles/releases/download/openssl-3.1.2/openssl-3.1.2-clang-aarch64.tar.xz"
+  } else if(grepl("clang", Sys.getenv('R_COMPILED_BY'))){
+    "https://github.com/r-windows/bundles/releases/download/openssl-3.1.2/openssl-3.1.2-clang-x86_64.tar.xz"
+  }  else if(getRversion() >= "4.2") {
+    "https://github.com/r-windows/bundles/releases/download/openssl-3.1.2/openssl-3.1.2-ucrt-x86_64.tar.xz"
+  } else {
+    "https://github.com/rwinlib/openssl/archive/v3.1.1.tar.gz"
+  }
+  download.file(url, basename(url), quiet = TRUE)
   dir.create("../windows", showWarnings = FALSE)
-  unzip("lib.zip", exdir = "../windows")
-  unlink("lib.zip")
+  untar(basename(url), exdir = "../windows", tar = 'internal')
+  unlink(basename(url))
+  setwd("../windows")
+  file.rename(list.files(), 'libssl')
 }