nixpkgs/pkgs/development/interpreters/acl2/libipasirglucose4/0001-Support-shared-library-build.patch

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From 0f48e046f44624f4d4d8255ac5bd26397a38f16c Mon Sep 17 00:00:00 2001
From: Keshav Kini <keshav.kini@gmail.com>
Date: Sun, 23 Feb 2020 14:09:30 -0800
Subject: [PATCH] Support shared library build
Patch taken from [the ACL2 Books documentation][1].
- Add " -fPIC" to the CXXFLAGS to build position-independent code,
required for shared libraries.
- Add the line "export CXXFLAGS" below the setting of CXXFLAGS, so that
those flags apply to the recursive make of the core solver library.
- Fix a typo: replace the occurrence of "CXXLAGS" with "CXXFLAGS".
[1]: http://www.cs.utexas.edu/users/moore/acl2/v8-2/combined-manual/index.html?topic=IPASIR____BUILDING-AN-IPASIR-SOLVER-LIBRARY
---
makefile | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/makefile b/makefile
index 07121de..4e85c4b 100755
--- a/makefile
+++ b/makefile
@@ -29,7 +29,8 @@ TARGET=libipasir$(SIG).a
CXX=g++
-CXXFLAGS= -g -std=c++11 -Wall -DNDEBUG -O3
+CXXFLAGS= -g -std=c++11 -Wall -DNDEBUG -O3 -fPIC
+export CXXFLAGS
#-----------------------------------------------------------------------#
#- REQUIRED TOP RULES --------------------------------------------------#
@@ -67,7 +68,7 @@ libipasir$(SIG).a: .FORCE
#-----------------------------------------------------------------------#
ipasir$(NAME)glue.o: ipasir$(NAME)glue.cc ipasir.h makefile
- $(CXX) -g -std=c++11 $(CXXLAGS) \
+ $(CXX) -g -std=c++11 $(CXXFLAGS) \
-DVERSION=\"$(VERSION)\" \
-I$(DIR) -I$(DIR)/core -c ipasir$(NAME)glue.cc
--
2.23.1