diff --git a/.github/workflows/amd64.yml b/.github/workflows/amd64.yml
index 9d197fe00..6f996be0d 100644
--- a/.github/workflows/amd64.yml
+++ b/.github/workflows/amd64.yml
@@ -31,7 +31,7 @@ jobs:
       run: apt-get update -y
 
     - name: Set Build Config
-      run: cp -vf ./pika-build-config/amd64setup.sh ./pika-build-config.sh
+      run: cp -vf ./pika-build-config/amd64setup.sh ./pika-build-config.sh && cp -vf ./pika-build-config/amd64.sh ./build_config.sh
 
     - name: Build Package
       run: ./main.sh
diff --git a/.github/workflows/amd64_nest.yml b/.github/workflows/amd64_nest.yml
index 8289aa347..d9fe558c1 100644
--- a/.github/workflows/amd64_nest.yml
+++ b/.github/workflows/amd64_nest.yml
@@ -31,7 +31,7 @@ jobs:
       run: apt-get update -y
 
     - name: Set Build Config
-      run: cp -vf ./pika-build-config/amd64setup.sh ./pika-build-config.sh
+      run: cp -vf ./pika-build-config/amd64setup.sh ./pika-build-config.sh && cp -vf ./pika-build-config/amd64.sh ./build_config.sh
 
     - name: Build Package
       run: ./main.sh
diff --git a/.github/workflows/i386.yml b/.github/workflows/i386.yml
index 1168a4b7b..f84d5b4c4 100644
--- a/.github/workflows/i386.yml
+++ b/.github/workflows/i386.yml
@@ -31,7 +31,7 @@ jobs:
       run: apt-get update -y
 
     - name: Set Build Config
-      run: cp -vf ./pika-build-config/i386setup.sh ./pika-build-config.sh
+      run: cp -vf ./pika-build-config/i386setup.sh ./pika-build-config.sh && cp -vf ./pika-build-config/i386.sh ./build_config.sh
 
     - name: Build Package
       run: ./main.sh
diff --git a/.github/workflows/i386_nest.yml b/.github/workflows/i386_nest.yml
index ffc1dc67f..038be7159 100644
--- a/.github/workflows/i386_nest.yml
+++ b/.github/workflows/i386_nest.yml
@@ -31,7 +31,7 @@ jobs:
       run: apt-get update -y
 
     - name: Set Build Config
-      run: cp -vf ./pika-build-config/i386setup.sh ./pika-build-config.sh
+      run: cp -vf ./pika-build-config/i386setup.sh ./pika-build-config.sh && cp -vf ./pika-build-config/i386.sh ./build_config.sh
 
     - name: Build Package
       run: ./main.sh
diff --git a/.github/workflows/lto.yml b/.github/workflows/lto.yml
index 69d5da31d..f9ce92e35 100644
--- a/.github/workflows/lto.yml
+++ b/.github/workflows/lto.yml
@@ -31,7 +31,7 @@ jobs:
       run: apt-get update -y
 
     - name: Set Build Config
-      run: cp -vf ./pika-build-config/ltosetup.sh ./pika-build-config.sh
+      run: cp -vf ./pika-build-config/ltosetup.sh ./pika-build-config.sh && cp -vf ./pika-build-config/lto.sh ./build_config.sh
 
     - name: Build Package
       run: ./main.sh
diff --git a/.github/workflows/lto_nest.yml b/.github/workflows/lto_nest.yml
index c283727b4..128e9fb46 100644
--- a/.github/workflows/lto_nest.yml
+++ b/.github/workflows/lto_nest.yml
@@ -31,7 +31,7 @@ jobs:
       run: apt-get update -y
 
     - name: Set Build Config
-      run: cp -vf ./pika-build-config/ltosetup.sh ./pika-build-config.sh
+      run: cp -vf ./pika-build-config/ltosetup.sh ./pika-build-config.sh && cp -vf ./pika-build-config/lto.sh ./build_config.sh
 
     - name: Build Package
       run: ./main.sh
diff --git a/.github/workflows/v3.yml b/.github/workflows/v3.yml
index 4ca57fba8..0ccbe0a51 100644
--- a/.github/workflows/v3.yml
+++ b/.github/workflows/v3.yml
@@ -31,7 +31,7 @@ jobs:
       run: apt-get update -y
 
     - name: Set Build Config
-      run: cp -vf ./pika-build-config/v3setup.sh ./pika-build-config.sh
+      run: cp -vf ./pika-build-config/v3setup.sh ./pika-build-config.sh && cp -vf ./pika-build-config/v3.sh ./build_config.sh
 
     - name: Build Package
       run: ./main.sh
diff --git a/.github/workflows/v3_nest.yml b/.github/workflows/v3_nest.yml
index 3b170153c..c55f6fe55 100644
--- a/.github/workflows/v3_nest.yml
+++ b/.github/workflows/v3_nest.yml
@@ -31,7 +31,7 @@ jobs:
       run: apt-get update -y
 
     - name: Set Build Config
-      run: cp -vf ./pika-build-config/v3setup.sh ./pika-build-config.sh
+      run: cp -vf ./pika-build-config/v3setup.sh ./pika-build-config.sh && cp -vf ./pika-build-config/v3.sh ./build_config.sh
 
     - name: Build Package
       run: ./main.sh
diff --git a/pika-build-config/amd64setup.sh b/pika-build-config/amd64setup.sh
index 91bb28db8..2c1aa4fcb 100644
--- a/pika-build-config/amd64setup.sh
+++ b/pika-build-config/amd64setup.sh
@@ -1,5 +1,5 @@
 #! /bin/bash
-. pika-build-config/amd64.sh
+. build_config.sh
 export PIKA_BUILD_ARCH="amd64-v3"
 export PIKA_PBUILDER_INIT="pika-pbuilder-amd64-normal-init"
 export PIKA_PBUILDER_BUILD="pika-pbuilder-amd64-normal-build"
diff --git a/pika-build-config/i386setup.sh b/pika-build-config/i386setup.sh
index 42b478b3f..95ec64baf 100755
--- a/pika-build-config/i386setup.sh
+++ b/pika-build-config/i386setup.sh
@@ -1,5 +1,5 @@
 #! /bin/bash
-. pika-build-config/i386.sh
+. build_config.sh
 export PIKA_BUILD_ARCH="i386"
 export PIKA_PBUILDER_INIT="pika-pbuilder-i386-init"
 export PIKA_PBUILDER_BUILD="pika-pbuilder-i386-build"
diff --git a/pika-build-config/ltosetup.sh b/pika-build-config/ltosetup.sh
index 645777d82..1dbf55fdd 100755
--- a/pika-build-config/ltosetup.sh
+++ b/pika-build-config/ltosetup.sh
@@ -1,5 +1,5 @@
 #! /bin/bash
-. pika-build-config/lto.sh
+. build_config.sh
 export PIKA_BUILD_ARCH="amd64-v3"
 export PIKA_PBUILDER_INIT="pika-pbuilder-amd64-v3-lto-init"
 export PIKA_PBUILDER_BUILD="pika-pbuilder-amd64-v3-lto-build"
diff --git a/pika-build-config/v3setup.sh b/pika-build-config/v3setup.sh
index 4ade59fef..ba07a4021 100644
--- a/pika-build-config/v3setup.sh
+++ b/pika-build-config/v3setup.sh
@@ -1,5 +1,5 @@
 #! /bin/bash
-. pika-build-config/v3.sh
+. build_config.sh
 export PIKA_BUILD_ARCH="amd64-v3"
 export PIKA_PBUILDER_INIT="pika-pbuilder-amd64-v3-init"
 export PIKA_PBUILDER_BUILD="pika-pbuilder-amd64-v3-build"