diff --git a/build/pkgs/boost_cropped/distros/pyodide.txt b/build/pkgs/boost_cropped/distros/pyodide.txt
new file mode 100644
index 00000000000..93de4003ce3
--- /dev/null
+++ b/build/pkgs/boost_cropped/distros/pyodide.txt
@@ -0,0 +1 @@
+boost-cpp
diff --git a/build/pkgs/ffmpeg/distros/pyodide.txt b/build/pkgs/ffmpeg/distros/pyodide.txt
new file mode 100644
index 00000000000..20645e64124
--- /dev/null
+++ b/build/pkgs/ffmpeg/distros/pyodide.txt
@@ -0,0 +1 @@
+ffmpeg
diff --git a/build/pkgs/glpk/distros/pyodide.txt b/build/pkgs/glpk/distros/pyodide.txt
new file mode 100644
index 00000000000..aca7917cfa1
--- /dev/null
+++ b/build/pkgs/glpk/distros/pyodide.txt
@@ -0,0 +1 @@
+glpk
diff --git a/build/pkgs/gmp/distros/pyodide.txt b/build/pkgs/gmp/distros/pyodide.txt
new file mode 100644
index 00000000000..17ca61ba4c7
--- /dev/null
+++ b/build/pkgs/gmp/distros/pyodide.txt
@@ -0,0 +1 @@
+libgmp
diff --git a/build/pkgs/gsl/distros/pyodide.txt b/build/pkgs/gsl/distros/pyodide.txt
new file mode 100644
index 00000000000..d8b1466e79e
--- /dev/null
+++ b/build/pkgs/gsl/distros/pyodide.txt
@@ -0,0 +1 @@
+libgsl
diff --git a/build/pkgs/iconv/distros/pyodide.txt b/build/pkgs/iconv/distros/pyodide.txt
new file mode 100644
index 00000000000..788f2359abe
--- /dev/null
+++ b/build/pkgs/iconv/distros/pyodide.txt
@@ -0,0 +1 @@
+libiconv
diff --git a/build/pkgs/liblzma/distros/pyodide.txt b/build/pkgs/liblzma/distros/pyodide.txt
new file mode 100644
index 00000000000..35a0fe5a555
--- /dev/null
+++ b/build/pkgs/liblzma/distros/pyodide.txt
@@ -0,0 +1 @@
+liblzma
diff --git a/build/pkgs/libxml2/distros/pyodide.txt b/build/pkgs/libxml2/distros/pyodide.txt
new file mode 100644
index 00000000000..921cce520b0
--- /dev/null
+++ b/build/pkgs/libxml2/distros/pyodide.txt
@@ -0,0 +1 @@
+libxml
diff --git a/build/pkgs/mpc/distros/pyodide.txt b/build/pkgs/mpc/distros/pyodide.txt
new file mode 100644
index 00000000000..098b049316b
--- /dev/null
+++ b/build/pkgs/mpc/distros/pyodide.txt
@@ -0,0 +1 @@
+libmpc
diff --git a/build/pkgs/mpfr/distros/pyodide.txt b/build/pkgs/mpfr/distros/pyodide.txt
new file mode 100644
index 00000000000..a3822e28eff
--- /dev/null
+++ b/build/pkgs/mpfr/distros/pyodide.txt
@@ -0,0 +1 @@
+libmpfr
diff --git a/build/pkgs/openblas/distros/pyodide.txt b/build/pkgs/openblas/distros/pyodide.txt
new file mode 100644
index 00000000000..dcc5d064110
--- /dev/null
+++ b/build/pkgs/openblas/distros/pyodide.txt
@@ -0,0 +1 @@
+openblas
diff --git a/build/pkgs/openssl/distros/pyodide.txt b/build/pkgs/openssl/distros/pyodide.txt
new file mode 100644
index 00000000000..fa963ae15cb
--- /dev/null
+++ b/build/pkgs/openssl/distros/pyodide.txt
@@ -0,0 +1 @@
+openssl
diff --git a/build/pkgs/suitesparse/distros/pyodide.txt b/build/pkgs/suitesparse/distros/pyodide.txt
new file mode 100644
index 00000000000..8309d12f520
--- /dev/null
+++ b/build/pkgs/suitesparse/distros/pyodide.txt
@@ -0,0 +1 @@
+suitesparse
diff --git a/build/pkgs/zlib/distros/pyodide.txt b/build/pkgs/zlib/distros/pyodide.txt
new file mode 100644
index 00000000000..f22003e83c1
--- /dev/null
+++ b/build/pkgs/zlib/distros/pyodide.txt
@@ -0,0 +1 @@
+zlib