1 files changed, 63 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/qiskit-aer/remove-conan-install.patch b/nixpkgs/pkgs/development/python-modules/qiskit-aer/remove-conan-install.patch
new file mode 100644
index 00000000000..1c5ae87b082
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/qiskit-aer/remove-conan-install.patch
@@ -0,0 +1,63 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index efeacfc..77bd6bd 100755
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -121,7 +121,11 @@ endif()
+ # Looking for external libraries
+ #
+ 
+-setup_conan()
++find_package(muparserx REQUIRED)
++find_package(nlohmann_json REQUIRED)
++find_package(spdlog REQUIRED)
++# for tests only
++find_package(catch2)
+ 
+ # If we do not set them with a space CMake fails afterwards if nothing is set for this vars!
+ set(AER_LINKER_FLAGS " ")
+@@ -269,16 +273,16 @@ endif()
+ set(AER_LIBRARIES
+ 	${AER_LIBRARIES}
+ 	${BLAS_LIBRARIES}
+-	CONAN_PKG::nlohmann_json
++	nlohmann_json
+ 	Threads::Threads
+-	CONAN_PKG::spdlog
++	spdlog
+ 	${DL_LIB}
+ 	${THRUST_DEPENDANT_LIBS})
+ 
+ set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} ${CONAN_DEFINES})
+ # Cython build is only enabled if building through scikit-build.
+ if(SKBUILD) # Terra Addon build
+-	set(AER_LIBRARIES ${AER_LIBRARIES} CONAN_PKG::muparserx)
++	set(AER_LIBRARIES ${AER_LIBRARIES} muparserx)
+ 	add_subdirectory(qiskit/providers/aer/pulse/qutip_extra_lite/cy)
+ 	add_subdirectory(qiskit/providers/aer/backends/wrappers)
+ 	add_subdirectory(src/open_pulse)
+diff --git a/setup.py b/setup.py
+index fd71e9f..1561cc4 100644
+--- a/setup.py
++++ b/setup.py
+@@ -11,12 +11,6 @@ import inspect
+ 
+ PACKAGE_NAME = os.getenv('QISKIT_AER_PACKAGE_NAME', 'qiskit-aer')
+ 
+-try:
+-    from conans import client
+-except ImportError:
+-    subprocess.call([sys.executable, '-m', 'pip', 'install', 'conan'])
+-    from conans import client
+-
+ try:
+     from skbuild import setup
+ except ImportError:
+@@ -46,8 +40,6 @@ common_requirements = [
+ 
+ setup_requirements = common_requirements + [
+     'scikit-build',
+-    'cmake!=3.17,!=3.17.0',
+-    'conan>=1.22.2'
+ ]
+ 
+ requirements = common_requirements + ['qiskit-terra>=0.12.0']