diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..034418e
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,35 @@
+name: build
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 60
+    permissions: # needed to allow julia-actions/cache to proactively delete old caches that it has created
+      actions: write
+      contents: read
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - '1.10'
+        os:
+          - windows-2022
+          - ubuntu-20.04
+          - macos-11
+        arch:
+          - x64
+    steps:
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
+        with:
+          version: ${{ matrix.version }}
+          arch: ${{ matrix.arch }}
+      - uses: julia-actions/cache@v2
+      - run: julia --startup-file=no --project=compiler compiler/build.jl foo
+      - uses: actions/upload-artifact@v4.3.1
+        with:
+          name: foo-${{ matrix.version}}-${{ matrix.os }}-${{ matrix.arch }}
+          path: foo
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 90bd5a2..4d688c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,9 +4,10 @@ project(MadNLP_C VERSION 1.0.0)  # Adjust the version as necessary
 set(Julia_EXECUTABLE julia)
 
 add_custom_command(
-  OUTPUT ${OUT_DIR}/build_step_stamp
-  COMMAND ${Julia_EXECUTABLE} --startup-file=no --project=${CMAKE_CURRENT_SOURCE_DIR} -e "using Pkg; Pkg.instantiate()"
-  COMMAND ${Julia_EXECUTABLE} --startup-file=no --project=build -e "using Pkg; Pkg.instantiate()"
+  OUTPUT FOO
+  COMMAND ${Julia_EXECUTABLE} --startup-file=no --project=compiler -e "using Pkg; Pkg.instantiate()"
   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
   COMMENT "Instantiating Julia packages"
 )
+
+
diff --git a/Manifest.toml b/Manifest.toml
new file mode 100644
index 0000000..ed983fe
--- /dev/null
+++ b/Manifest.toml
@@ -0,0 +1,463 @@
+# This file is machine-generated - editing it directly is not advised
+
+julia_version = "1.10.3"
+manifest_format = "2.0"
+project_hash = "8c5c79262baf543532624ed08426ecdc0b09688c"
+
+[[deps.AMD]]
+deps = ["LinearAlgebra", "SparseArrays", "SuiteSparse_jll"]
+git-tree-sha1 = "45a1272e3f809d36431e57ab22703c6896b8908f"
+uuid = "14f7f29c-3bd6-536c-9a0b-7339e30b5a3e"
+version = "0.5.3"
+
+[[deps.ArgTools]]
+uuid = "0dad84c5-d112-42e6-8d28-ef12dabb789f"
+version = "1.1.1"
+
+[[deps.Artifacts]]
+uuid = "56f22d72-fd6d-98f1-02f0-08ddc0907c33"
+
+[[deps.Base64]]
+uuid = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
+
+[[deps.BenchmarkTools]]
+deps = ["JSON", "Logging", "Printf", "Profile", "Statistics", "UUIDs"]
+git-tree-sha1 = "f1dff6729bc61f4d49e140da1af55dcd1ac97b2f"
+uuid = "6e4b80f9-dd63-53aa-95a3-0cdb28fa8baf"
+version = "1.5.0"
+
+[[deps.Bzip2_jll]]
+deps = ["Artifacts", "JLLWrappers", "Libdl", "Pkg"]
+git-tree-sha1 = "9e2a6b69137e6969bab0152632dcb3bc108c8bdd"
+uuid = "6e34b625-4abd-537c-b88f-471c36dfa7a0"
+version = "1.0.8+1"
+
+[[deps.CodecBzip2]]
+deps = ["Bzip2_jll", "Libdl", "TranscodingStreams"]
+git-tree-sha1 = "9b1ca1aa6ce3f71b3d1840c538a8210a043625eb"
+uuid = "523fee87-0ab8-5b00-afb7-3ecf72e48cfd"
+version = "0.8.2"
+
+[[deps.CodecZlib]]
+deps = ["TranscodingStreams", "Zlib_jll"]
+git-tree-sha1 = "59939d8a997469ee05c4b4944560a820f9ba0d73"
+uuid = "944b1d66-785c-5afd-91f1-9de20f533193"
+version = "0.7.4"
+
+[[deps.CommonSubexpressions]]
+deps = ["MacroTools", "Test"]
+git-tree-sha1 = "7b8a93dba8af7e3b42fecabf646260105ac373f7"
+uuid = "bbf7d656-a473-5ed7-a52c-81e309532950"
+version = "0.3.0"
+
+[[deps.Compat]]
+deps = ["TOML", "UUIDs"]
+git-tree-sha1 = "b1c55339b7c6c350ee89f2c1604299660525b248"
+uuid = "34da2185-b29b-5c13-b0c7-acf172513d20"
+version = "4.15.0"
+weakdeps = ["Dates", "LinearAlgebra"]
+
+    [deps.Compat.extensions]
+    CompatLinearAlgebraExt = "LinearAlgebra"
+
+[[deps.CompilerSupportLibraries_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "e66e0078-7015-5450-92f7-15fbd957f2ae"
+version = "1.1.1+0"
+
+[[deps.DataStructures]]
+deps = ["Compat", "InteractiveUtils", "OrderedCollections"]
+git-tree-sha1 = "1d0a14036acb104d9e89698bd408f63ab58cdc82"
+uuid = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"
+version = "0.18.20"
+
+[[deps.Dates]]
+deps = ["Printf"]
+uuid = "ade2ca70-3891-5945-98fb-dc099432e06a"
+
+[[deps.DiffResults]]
+deps = ["StaticArraysCore"]
+git-tree-sha1 = "782dd5f4561f5d267313f23853baaaa4c52ea621"
+uuid = "163ba53b-c6d8-5494-b064-1a9d43ac40c5"
+version = "1.1.0"
+
+[[deps.DiffRules]]
+deps = ["IrrationalConstants", "LogExpFunctions", "NaNMath", "Random", "SpecialFunctions"]
+git-tree-sha1 = "23163d55f885173722d1e4cf0f6110cdbaf7e272"
+uuid = "b552c78f-8df3-52c6-915a-8e097449b14b"
+version = "1.15.1"
+
+[[deps.DocStringExtensions]]
+deps = ["LibGit2"]
+git-tree-sha1 = "2fb1e02f2b635d0845df5d7c167fec4dd739b00d"
+uuid = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
+version = "0.9.3"
+
+[[deps.Downloads]]
+deps = ["ArgTools", "FileWatching", "LibCURL", "NetworkOptions"]
+uuid = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
+version = "1.6.0"
+
+[[deps.ExprTools]]
+git-tree-sha1 = "27415f162e6028e81c72b82ef756bf321213b6ec"
+uuid = "e2ba6199-217a-4e67-a87a-7c52f15ade04"
+version = "0.1.10"
+
+[[deps.FastClosures]]
+git-tree-sha1 = "acebe244d53ee1b461970f8910c235b259e772ef"
+uuid = "9aa1b823-49e4-5ca5-8b0f-3971ec8bab6a"
+version = "0.3.2"
+
+[[deps.FileWatching]]
+uuid = "7b1f6079-737a-58dc-b8bc-7a2ca5c1b5ee"
+
+[[deps.ForwardDiff]]
+deps = ["CommonSubexpressions", "DiffResults", "DiffRules", "LinearAlgebra", "LogExpFunctions", "NaNMath", "Preferences", "Printf", "Random", "SpecialFunctions"]
+git-tree-sha1 = "cf0fe81336da9fb90944683b8c41984b08793dad"
+uuid = "f6369f11-7733-5829-9624-2563aa707210"
+version = "0.10.36"
+
+    [deps.ForwardDiff.extensions]
+    ForwardDiffStaticArraysExt = "StaticArrays"
+
+    [deps.ForwardDiff.weakdeps]
+    StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
+
+[[deps.InteractiveUtils]]
+deps = ["Markdown"]
+uuid = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
+
+[[deps.IrrationalConstants]]
+git-tree-sha1 = "630b497eafcc20001bba38a4651b327dcfc491d2"
+uuid = "92d709cd-6900-40b7-9082-c6be49f344b6"
+version = "0.2.2"
+
+[[deps.JLLWrappers]]
+deps = ["Artifacts", "Preferences"]
+git-tree-sha1 = "7e5d6779a1e09a36db2a7b6cff50942a0a7d0fca"
+uuid = "692b3bcd-3c85-4b1f-b108-f13ce0eb3210"
+version = "1.5.0"
+
+[[deps.JSON]]
+deps = ["Dates", "Mmap", "Parsers", "Unicode"]
+git-tree-sha1 = "31e996f0a15c7b280ba9f76636b3ff9e2ae58c9a"
+uuid = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
+version = "0.21.4"
+
+[[deps.JuMP]]
+deps = ["LinearAlgebra", "MacroTools", "MathOptInterface", "MutableArithmetics", "OrderedCollections", "PrecompileTools", "Printf", "SparseArrays"]
+git-tree-sha1 = "28f9313ba6603e0d2850fc3eae617e769c99bf83"
+uuid = "4076af6c-e467-56ae-b986-b466b2749572"
+version = "1.22.1"
+
+    [deps.JuMP.extensions]
+    JuMPDimensionalDataExt = "DimensionalData"
+
+    [deps.JuMP.weakdeps]
+    DimensionalData = "0703355e-b756-11e9-17c0-8b28908087d0"
+
+[[deps.LDLFactorizations]]
+deps = ["AMD", "LinearAlgebra", "SparseArrays", "Test"]
+git-tree-sha1 = "70f582b446a1c3ad82cf87e62b878668beef9d13"
+uuid = "40e66cde-538c-5869-a4ad-c39174c6795b"
+version = "0.10.1"
+
+[[deps.LibCURL]]
+deps = ["LibCURL_jll", "MozillaCACerts_jll"]
+uuid = "b27032c2-a3e7-50c8-80cd-2d36dbcbfd21"
+version = "0.6.4"
+
+[[deps.LibCURL_jll]]
+deps = ["Artifacts", "LibSSH2_jll", "Libdl", "MbedTLS_jll", "Zlib_jll", "nghttp2_jll"]
+uuid = "deac9b47-8bc7-5906-a0fe-35ac56dc84c0"
+version = "8.4.0+0"
+
+[[deps.LibGit2]]
+deps = ["Base64", "LibGit2_jll", "NetworkOptions", "Printf", "SHA"]
+uuid = "76f85450-5226-5b5a-8eaa-529ad045b433"
+
+[[deps.LibGit2_jll]]
+deps = ["Artifacts", "LibSSH2_jll", "Libdl", "MbedTLS_jll"]
+uuid = "e37daf67-58a4-590a-8e99-b0245dd2ffc5"
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+
+[[deps.LibSSH2_jll]]
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+version = "1.11.0+1"
+
+[[deps.Libdl]]
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+
+[[deps.LinearAlgebra]]
+deps = ["Libdl", "OpenBLAS_jll", "libblastrampoline_jll"]
+uuid = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+
+[[deps.LinearOperators]]
+deps = ["FastClosures", "LinearAlgebra", "Printf", "Requires", "SparseArrays", "TimerOutputs"]
+git-tree-sha1 = "ae5d90280094348c32fda8bc8b5a88bb16514d43"
+uuid = "5c8ed15e-5a4c-59e4-a42b-c7e8811fb125"
+version = "2.8.0"
+
+    [deps.LinearOperators.extensions]
+    LinearOperatorsCUDAExt = "CUDA"
+    LinearOperatorsChainRulesCoreExt = "ChainRulesCore"
+    LinearOperatorsLDLFactorizationsExt = "LDLFactorizations"
+
+    [deps.LinearOperators.weakdeps]
+    CUDA = "052768ef-5323-5732-b1bb-66c8b64840ba"
+    ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
+    LDLFactorizations = "40e66cde-538c-5869-a4ad-c39174c6795b"
+
+[[deps.LogExpFunctions]]
+deps = ["DocStringExtensions", "IrrationalConstants", "LinearAlgebra"]
+git-tree-sha1 = "18144f3e9cbe9b15b070288eef858f71b291ce37"
+uuid = "2ab3a3ac-af41-5b50-aa03-7779005ae688"
+version = "0.3.27"
+
+    [deps.LogExpFunctions.extensions]
+    LogExpFunctionsChainRulesCoreExt = "ChainRulesCore"
+    LogExpFunctionsChangesOfVariablesExt = "ChangesOfVariables"
+    LogExpFunctionsInverseFunctionsExt = "InverseFunctions"
+
+    [deps.LogExpFunctions.weakdeps]
+    ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
+    ChangesOfVariables = "9e997f8a-9a97-42d5-a9f1-ce6bfc15e2c0"
+    InverseFunctions = "3587e190-3f89-42d0-90ee-14403ec27112"
+
+[[deps.Logging]]
+uuid = "56ddb016-857b-54e1-b83d-db4d58db5568"
+
+[[deps.MacroTools]]
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+
+[[deps.MadNLP]]
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+weakdeps = ["MathOptInterface"]
+
+    [deps.MadNLP.extensions]
+    MadNLPMOI = "MathOptInterface"
+
+[[deps.Markdown]]
+deps = ["Base64"]
+uuid = "d6f4376e-aef5-505a-96c1-9c027394607a"
+
+[[deps.MathOptInterface]]
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+git-tree-sha1 = "9cc5acd6b76174da7503d1de3a6f8cf639b6e5cb"
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+[[deps.Mmap]]
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+
+[[deps.MozillaCACerts_jll]]
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+
+[[deps.MutableArithmetics]]
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+
+[[deps.NLPModels]]
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+
+[[deps.NaNMath]]
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+
+[[deps.NetworkOptions]]
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+
+[[deps.OpenBLAS_jll]]
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+
+[[deps.OpenLibm_jll]]
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+
+[[deps.OpenSpecFun_jll]]
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+[[deps.Parsers]]
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+
+[[deps.Pkg]]
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+uuid = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
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+
+[[deps.PrecompileTools]]
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+[[deps.Preferences]]
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+
+[[deps.Printf]]
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+[[deps.Profile]]
+deps = ["Printf"]
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+
+[[deps.REPL]]
+deps = ["InteractiveUtils", "Markdown", "Sockets", "Unicode"]
+uuid = "3fa0cd96-eef1-5676-8a61-b3b8758bbffb"
+
+[[deps.Random]]
+deps = ["SHA"]
+uuid = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+
+[[deps.Requires]]
+deps = ["UUIDs"]
+git-tree-sha1 = "838a3a4188e2ded87a4f9f184b4b0d78a1e91cb7"
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+
+[[deps.SHA]]
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+[[deps.Serialization]]
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+[[deps.Sockets]]
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+[[deps.SolverCore]]
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+
+[[deps.SparseArrays]]
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+uuid = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
+version = "1.10.0"
+
+[[deps.SpecialFunctions]]
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+uuid = "276daf66-3868-5448-9aa4-cd146d93841b"
+version = "2.4.0"
+
+    [deps.SpecialFunctions.extensions]
+    SpecialFunctionsChainRulesCoreExt = "ChainRulesCore"
+
+    [deps.SpecialFunctions.weakdeps]
+    ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
+
+[[deps.StaticArraysCore]]
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+
+[[deps.SuiteSparse_jll]]
+deps = ["Artifacts", "Libdl", "libblastrampoline_jll"]
+uuid = "bea87d4a-7f5b-5778-9afe-8cc45184846c"
+version = "7.2.1+1"
+
+[[deps.TOML]]
+deps = ["Dates"]
+uuid = "fa267f1f-6049-4f14-aa54-33bafae1ed76"
+version = "1.0.3"
+
+[[deps.Tar]]
+deps = ["ArgTools", "SHA"]
+uuid = "a4e569a6-e804-4fa4-b0f3-eef7a1d5b13e"
+version = "1.10.0"
+
+[[deps.Test]]
+deps = ["InteractiveUtils", "Logging", "Random", "Serialization"]
+uuid = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[[deps.TimerOutputs]]
+deps = ["ExprTools", "Printf"]
+git-tree-sha1 = "5a13ae8a41237cff5ecf34f73eb1b8f42fff6531"
+uuid = "a759f4b9-e2f1-59dc-863e-4aeb61b1ea8f"
+version = "0.5.24"
+
+[[deps.TranscodingStreams]]
+git-tree-sha1 = "5d54d076465da49d6746c647022f3b3674e64156"
+uuid = "3bb67fe8-82b1-5028-8e26-92a6c54297fa"
+version = "0.10.8"
+weakdeps = ["Random", "Test"]
+
+    [deps.TranscodingStreams.extensions]
+    TestExt = ["Test", "Random"]
+
+[[deps.UUIDs]]
+deps = ["Random", "SHA"]
+uuid = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
+
+[[deps.Unicode]]
+uuid = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
+
+[[deps.Zlib_jll]]
+deps = ["Libdl"]
+uuid = "83775a58-1f1d-513f-b197-d71354ab007a"
+version = "1.2.13+1"
+
+[[deps.libblastrampoline_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "8e850b90-86db-534c-a0d3-1478176c7d93"
+version = "5.8.0+1"
+
+[[deps.nghttp2_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "8e850ede-7688-5339-a07c-302acd2aaf8d"
+version = "1.52.0+1"
+
+[[deps.p7zip_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "3f19e933-33d8-53b3-aaab-bd5110c3b7a0"
+version = "17.4.0+2"
diff --git a/Readme.md b/Readme.md
index 22038af..c7b77af 100644
--- a/Readme.md
+++ b/Readme.md
@@ -3,3 +3,9 @@ Manifest.toml is generated automatically from
 julia> using Pkg
 julia> Pkg.activate(".")
 julia> Pkg.instantiate()
+
+
+something similar in compiler
+
+
+julia --startup-file=no --project=compiler compiler/build.jl foo
diff --git a/compiler/Manifest.toml b/compiler/Manifest.toml
new file mode 100644
index 0000000..cec90d5
--- /dev/null
+++ b/compiler/Manifest.toml
@@ -0,0 +1,164 @@
+# This file is machine-generated - editing it directly is not advised
+
+julia_version = "1.10.3"
+manifest_format = "2.0"
+project_hash = "9ddee98f4175ce3934d72d17e69fc38f7697d471"
+
+[[deps.ArgTools]]
+uuid = "0dad84c5-d112-42e6-8d28-ef12dabb789f"
+version = "1.1.1"
+
+[[deps.Artifacts]]
+uuid = "56f22d72-fd6d-98f1-02f0-08ddc0907c33"
+
+[[deps.Base64]]
+uuid = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
+
+[[deps.Dates]]
+deps = ["Printf"]
+uuid = "ade2ca70-3891-5945-98fb-dc099432e06a"
+
+[[deps.Downloads]]
+deps = ["ArgTools", "FileWatching", "LibCURL", "NetworkOptions"]
+uuid = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
+version = "1.6.0"
+
+[[deps.FileWatching]]
+uuid = "7b1f6079-737a-58dc-b8bc-7a2ca5c1b5ee"
+
+[[deps.Glob]]
+git-tree-sha1 = "97285bbd5230dd766e9ef6749b80fc617126d496"
+uuid = "c27321d9-0574-5035-807b-f59d2c89b15c"
+version = "1.3.1"
+
+[[deps.InteractiveUtils]]
+deps = ["Markdown"]
+uuid = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
+
+[[deps.LazyArtifacts]]
+deps = ["Artifacts", "Pkg"]
+uuid = "4af54fe1-eca0-43a8-85a7-787d91b784e3"
+
+[[deps.LibCURL]]
+deps = ["LibCURL_jll", "MozillaCACerts_jll"]
+uuid = "b27032c2-a3e7-50c8-80cd-2d36dbcbfd21"
+version = "0.6.4"
+
+[[deps.LibCURL_jll]]
+deps = ["Artifacts", "LibSSH2_jll", "Libdl", "MbedTLS_jll", "Zlib_jll", "nghttp2_jll"]
+uuid = "deac9b47-8bc7-5906-a0fe-35ac56dc84c0"
+version = "8.4.0+0"
+
+[[deps.LibGit2]]
+deps = ["Base64", "LibGit2_jll", "NetworkOptions", "Printf", "SHA"]
+uuid = "76f85450-5226-5b5a-8eaa-529ad045b433"
+
+[[deps.LibGit2_jll]]
+deps = ["Artifacts", "LibSSH2_jll", "Libdl", "MbedTLS_jll"]
+uuid = "e37daf67-58a4-590a-8e99-b0245dd2ffc5"
+version = "1.6.4+0"
+
+[[deps.LibSSH2_jll]]
+deps = ["Artifacts", "Libdl", "MbedTLS_jll"]
+uuid = "29816b5a-b9ab-546f-933c-edad1886dfa8"
+version = "1.11.0+1"
+
+[[deps.Libdl]]
+uuid = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
+
+[[deps.Logging]]
+uuid = "56ddb016-857b-54e1-b83d-db4d58db5568"
+
+[[deps.Markdown]]
+deps = ["Base64"]
+uuid = "d6f4376e-aef5-505a-96c1-9c027394607a"
+
+[[deps.MbedTLS_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "c8ffd9c3-330d-5841-b78e-0817d7145fa1"
+version = "2.28.2+1"
+
+[[deps.MozillaCACerts_jll]]
+uuid = "14a3606d-f60d-562e-9121-12d972cd8159"
+version = "2023.1.10"
+
+[[deps.NetworkOptions]]
+uuid = "ca575930-c2e3-43a9-ace4-1e988b2c1908"
+version = "1.2.0"
+
+[[deps.PackageCompiler]]
+deps = ["Artifacts", "Glob", "LazyArtifacts", "Libdl", "Pkg", "Printf", "RelocatableFolders", "TOML", "UUIDs", "p7zip_jll"]
+git-tree-sha1 = "48d4429862157ad5500c4f61444db1b8c32e0a2b"
+uuid = "9b87118b-4619-50d2-8e1e-99f35a4d4d9d"
+version = "2.1.17"
+
+[[deps.Pkg]]
+deps = ["Artifacts", "Dates", "Downloads", "FileWatching", "LibGit2", "Libdl", "Logging", "Markdown", "Printf", "REPL", "Random", "SHA", "Serialization", "TOML", "Tar", "UUIDs", "p7zip_jll"]
+uuid = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
+version = "1.10.0"
+
+[[deps.Printf]]
+deps = ["Unicode"]
+uuid = "de0858da-6303-5e67-8744-51eddeeeb8d7"
+
+[[deps.REPL]]
+deps = ["InteractiveUtils", "Markdown", "Sockets", "Unicode"]
+uuid = "3fa0cd96-eef1-5676-8a61-b3b8758bbffb"
+
+[[deps.Random]]
+deps = ["SHA"]
+uuid = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+
+[[deps.RelocatableFolders]]
+deps = ["SHA", "Scratch"]
+git-tree-sha1 = "ffdaf70d81cf6ff22c2b6e733c900c3321cab864"
+uuid = "05181044-ff0b-4ac5-8273-598c1e38db00"
+version = "1.0.1"
+
+[[deps.SHA]]
+uuid = "ea8e919c-243c-51af-8825-aaa63cd721ce"
+version = "0.7.0"
+
+[[deps.Scratch]]
+deps = ["Dates"]
+git-tree-sha1 = "3bac05bc7e74a75fd9cba4295cde4045d9fe2386"
+uuid = "6c6a2e73-6563-6170-7368-637461726353"
+version = "1.2.1"
+
+[[deps.Serialization]]
+uuid = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
+
+[[deps.Sockets]]
+uuid = "6462fe0b-24de-5631-8697-dd941f90decc"
+
+[[deps.TOML]]
+deps = ["Dates"]
+uuid = "fa267f1f-6049-4f14-aa54-33bafae1ed76"
+version = "1.0.3"
+
+[[deps.Tar]]
+deps = ["ArgTools", "SHA"]
+uuid = "a4e569a6-e804-4fa4-b0f3-eef7a1d5b13e"
+version = "1.10.0"
+
+[[deps.UUIDs]]
+deps = ["Random", "SHA"]
+uuid = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
+
+[[deps.Unicode]]
+uuid = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
+
+[[deps.Zlib_jll]]
+deps = ["Libdl"]
+uuid = "83775a58-1f1d-513f-b197-d71354ab007a"
+version = "1.2.13+1"
+
+[[deps.nghttp2_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "8e850ede-7688-5339-a07c-302acd2aaf8d"
+version = "1.52.0+1"
+
+[[deps.p7zip_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "3f19e933-33d8-53b3-aaab-bd5110c3b7a0"
+version = "17.4.0+2"
diff --git a/compiler/Project.toml b/compiler/Project.toml
new file mode 100644
index 0000000..fbb19f0
--- /dev/null
+++ b/compiler/Project.toml
@@ -0,0 +1,2 @@
+[deps]
+PackageCompiler = "9b87118b-4619-50d2-8e1e-99f35a4d4d9d"
diff --git a/compiler/additional_precompile.jl b/compiler/additional_precompile.jl
new file mode 100644
index 0000000..b819f6b
--- /dev/null
+++ b/compiler/additional_precompile.jl
@@ -0,0 +1 @@
+precompile(Tuple{typeof(MadNLP_C.madnlp_c), Float64, Float64, Float64, UInt64})
diff --git a/compiler/build.jl b/compiler/build.jl
new file mode 100644
index 0000000..ad6c1ef
--- /dev/null
+++ b/compiler/build.jl
@@ -0,0 +1,32 @@
+import PackageCompiler, TOML
+
+if length(ARGS) < 1 || length(ARGS) > 2
+    println("Usage: julia $PROGRAM_FILE target_dir [major|minor]")
+    println()
+    println("where:")
+    println("    target_dir is the directory to use to create the library bundle")
+    println("    [major|minor] is the (optional) compatibility version (default: major).")
+    println("                  Use 'minor' if you use new/non-backwards-compatible functionality.")
+    println()
+    println("[major|minor] is only useful on OSX.")
+    exit(1)
+end
+
+const build_dir = @__DIR__
+const target_dir = ARGS[1]
+const project_toml = realpath(joinpath(build_dir, "..", "Project.toml"))
+const version = VersionNumber(TOML.parsefile(project_toml)["version"])
+
+const compatibility = length(ARGS) == 2 ? ARGS[2] : "major"
+
+PackageCompiler.create_library(".", target_dir;
+                            lib_name="madnlp_c",
+                            precompile_execution_file=[joinpath(build_dir, "generate_precompile.jl")],
+                            precompile_statements_file=[joinpath(build_dir, "additional_precompile.jl")],
+                            incremental=false,
+                            force=true,
+                            filter_stdlibs=false,
+                            header_files = [joinpath(build_dir, "madnlp_c.h")],
+                            version=version,
+                            compat_level=compatibility,
+                        )
diff --git a/compiler/generate_precompile.jl b/compiler/generate_precompile.jl
new file mode 100644
index 0000000..71109e7
--- /dev/null
+++ b/compiler/generate_precompile.jl
@@ -0,0 +1,8 @@
+using MadNLP_C
+
+MadNLP_C.madnlp_c(
+	convert(Cdouble,0.0),
+	convert(Cdouble,0.0),
+	convert(Cdouble,0.0),
+	convert(Csize_t,100)
+)
diff --git a/compiler/madnlp_c.h b/compiler/madnlp_c.h
new file mode 100644
index 0000000..0e3f78a
--- /dev/null
+++ b/compiler/madnlp_c.h
@@ -0,0 +1,7 @@
+// Julia headers (for initialization and gc commands)
+#include "uv.h"
+#include "julia.h"
+
+
+// prototype of the C entry points in our application
+int madnlp_c(double x0, double y0, double z0, size_t iters);
diff --git a/src/MadNLP_C.jl b/src/MadNLP_C.jl
index f15c207..8c9054d 100644
--- a/src/MadNLP_C.jl
+++ b/src/MadNLP_C.jl
@@ -2,7 +2,7 @@ module MadNLP_C
 
 using MadNLP, JuMP
 
-Base.@ccallable function julia_rosenbrock(x0::Cdouble, y0::Cdouble, z0::Cdouble, iters::Csize_t)::Cint
+Base.@ccallable function madnlp_c(x0::Cdouble, y0::Cdouble, z0::Cdouble, iters::Csize_t)::Cint
 	model = Model(()->MadNLP.Optimizer(print_level=MadNLP.INFO, max_iter=convert(Int64,iters)))
 	@variable(model, x, start = x0)
 	@variable(model, y, start = y0)
@@ -18,4 +18,4 @@ Base.@ccallable function julia_rosenbrock(x0::Cdouble, y0::Cdouble, z0::Cdouble,
 	return 0
 end
 
-end # module Rosenbrock
+end # module MadNLP_C