From a6cfeabc1016e6f58decb9789d52a80e6e2a5284 Mon Sep 17 00:00:00 2001
From: Alex Richert <82525672+AlexanderRichert-NOAA@users.noreply.github.com>
Date: Fri, 13 Oct 2023 13:21:43 -0700
Subject: [PATCH] cairo: add shared and pic variants (#40302)

---
 var/spack/repos/builtin/packages/cairo/package.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/var/spack/repos/builtin/packages/cairo/package.py b/var/spack/repos/builtin/packages/cairo/package.py
index 4035728e2e..530b4d4904 100644
--- a/var/spack/repos/builtin/packages/cairo/package.py
+++ b/var/spack/repos/builtin/packages/cairo/package.py
@@ -39,6 +39,8 @@ class Cairo(AutotoolsPackage):
     variant("fc", default=False, description="Enable cairo's Fontconfig font backend feature")
     variant("png", default=False, description="Enable cairo's PNG functions feature")
     variant("svg", default=False, description="Enable cairo's SVN functions feature")
+    variant("shared", default=True, description="Build shared libraries")
+    variant("pic", default=True, description="Enable position-independent code (PIC)")
 
     depends_on("libx11", when="+X")
     depends_on("libxext", when="+X")
@@ -61,6 +63,7 @@ class Cairo(AutotoolsPackage):
 
     conflicts("+png", when="platform=darwin")
     conflicts("+svg", when="platform=darwin")
+    conflicts("+shared~pic")
 
     # patch from https://gitlab.freedesktop.org/cairo/cairo/issues/346
     patch("fontconfig.patch", when="@1.16.0:1.17.2")
@@ -84,6 +87,15 @@ def configure_args(self):
         args.extend(self.enable_or_disable("gobject"))
         args.extend(self.enable_or_disable("ft"))
         args.extend(self.enable_or_disable("fc"))
+        args.extend(self.enable_or_disable("shared"))
+        args.extend(self.with_or_without("pic"))
+
+        if self.spec.satisfies("+ft ^freetype~shared"):
+            pkgconf = which("pkg-config")
+            ldflags = pkgconf("--libs-only-L", "--static", "freetype2", output=str)
+            libs = pkgconf("--libs-only-l", "--static", "freetype2", output=str)
+            args.append(f"LDFLAGS={ldflags}")
+            args.append(f"LIBS={libs}")
 
         return args
 
-- 
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