diff --git a/pkgs/by-name/xe/xephem/add-cross-compilation-support.patch b/pkgs/by-name/xe/xephem/add-cross-compilation-support.patch
new file mode 100644
index 000000000000..bfa05a4661ce
--- /dev/null
+++ b/pkgs/by-name/xe/xephem/add-cross-compilation-support.patch
@@ -0,0 +1,153 @@
+diff --git a/libastro/Makefile b/libastro/Makefile
+index 0a8ecb6..b24e827 100644
+--- a/libastro/Makefile
++++ b/libastro/Makefile
+@@ -3,6 +3,9 @@
+ 
+ # compiler and flags
+ 
++AR = ar
++RANLIB = ranlib
++
+ # gcc
+ CC = gcc
+ CFLAGS= -O2 -Wall
+@@ -83,8 +86,8 @@ OBJS =			\
+ 	vsop87_data.o
+ 
+ libastro.a: $(HS) $(OBJS)
+-	ar rv $@ $(OBJS)
+-	ranlib $@
++	$(AR) rv $@ $(OBJS)
++	$(RANLIB) $@
+ 
+ libastro.so: $(HS) $(OBJS)
+ 	$(CC) -shared -o $@ $(OBJS)
+diff --git a/libip/Makefile b/libip/Makefile
+index 5c36ac8..e223dca 100644
+--- a/libip/Makefile
++++ b/libip/Makefile
+@@ -1,6 +1,9 @@
+ # Makefile for image processing routines, libip.
+ # (C) 2001 Elwood Charles Downey
+ 
++AR = ar
++RANLIB = ranlib
++
+ # gcc
+ CC = gcc
+ CFLAGS= -I../libastro -O2 -Wall
+@@ -36,11 +39,11 @@ OBJS =	\
+ HS = ip.h fsmatch.h
+ 
+ libip.a: $(HS)	$(OBJS)
+-	ar rv $@ $(OBJS)
+-	ranlib $@
++	$(AR) rv $@ $(OBJS)
++	$(RANLIB) $@
+ 
+ libip.so:    $(OBJS)
+-	gcc -shared -o $@ $(OBJS)
++	$(CC) -shared -o $@ $(OBJS)
+ 
+ clobber:
+ 	rm -f *.o libip.a
+diff --git a/libjpegd/Makefile b/libjpegd/Makefile
+index 46ea040..7562fc5 100644
+--- a/libjpegd/Makefile
++++ b/libjpegd/Makefile
+@@ -2,6 +2,9 @@
+ 
+ # compiler and flags
+ 
++AR = ar
++RANLIB = ranlib
++
+ # gcc
+ CC = gcc
+ CFLAGS= -O2 -Wall
+@@ -62,8 +65,8 @@ OBJS = \
+ 	jutils.o
+ 
+ libjpegd.a: $(HS) $(OBJS)
+-	ar r $@ $(OBJS)
+-	ranlib $@
++	$(AR) r $@ $(OBJS)
++	$(RANLIB) $@
+ 
+ clobber:
+ 	touch x.o x.a
+diff --git a/liblilxml/Makefile b/liblilxml/Makefile
+index 2e73761..7f3f2c3 100644
+--- a/liblilxml/Makefile
++++ b/liblilxml/Makefile
+@@ -3,6 +3,9 @@
+ 
+ # compiler and flags
+ 
++AR = ar
++RANLIB = ranlib
++
+ # gcc
+ CC = gcc
+ CFLAGS= -O2 -Wall
+@@ -27,8 +30,8 @@ HS = lilxml.h
+ OBJS = lilxml.o base64.o
+ 
+ liblilxml.a: $(HS) $(OBJS)
+-	ar r $@ $(OBJS)
+-	ranlib $@
++	$(AR) r $@ $(OBJS)
++	$(RANLIB) $@
+ 
+ liltest: liltest.o liblilxml.a
+ 	$(CC) $(LDFLAGS) -o liltest liltest.o liblilxml.a
+diff --git a/libpng/Makefile b/libpng/Makefile
+index 5f332cc..6217f2f 100644
+--- a/libpng/Makefile
++++ b/libpng/Makefile
+@@ -10,7 +10,7 @@ ZLIBLIB = ../libz
+ # Compiler, linker, lib and other tools
+ CC = gcc
+ LD = $(CC)
+-AR = ar rcs
++AR = ar
+ RANLIB = ranlib
+ RM = rm -f
+ 
+@@ -38,7 +38,7 @@ OBJS = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) \
+ all: libpng$(A)
+ 
+ libpng$(A): $(OBJS)
+-	$(AR) $@ $(OBJS)
++	$(AR) rcs $@ $(OBJS)
+ 	$(RANLIB) $@
+ 
+ clean:
+diff --git a/libz/Makefile b/libz/Makefile
+index 773f3ed..0fc73c0 100644
+--- a/libz/Makefile
++++ b/libz/Makefile
+@@ -1,3 +1,7 @@
++AR = ar
++RANLIB = ranlib
++
++CC = cc
+ CLDFLAGS =
+ CFLAGS = $(CLDFLAGS) -Wall -O2
+ LDFLAGS =
+@@ -17,11 +21,11 @@ OBJS =	adler32.o	\
+ 	inffast.o
+ 
+ libz.a: $(OBJS)
+-	ar rc libz.a $(OBJS)
+-	-ranlib libz.a
++	$(AR) rc libz.a $(OBJS)
++	$(RANLIB) libz.a
+ 
+ testzlib: testzlib.o libz.a
+-	cc $(LDFLAGS) -o testzlib testzlib.o libz.a
++	$(CC) $(LDFLAGS) -o testzlib testzlib.o libz.a
+ 
+ clean:
+ 	rm -f *.o *.a testzlib
diff --git a/pkgs/by-name/xe/xephem/package.nix b/pkgs/by-name/xe/xephem/package.nix
new file mode 100644
index 000000000000..edaec00e8670
--- /dev/null
+++ b/pkgs/by-name/xe/xephem/package.nix
@@ -0,0 +1,112 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  fetchpatch,
+  makeDesktopItem,
+  copyDesktopItems,
+  installShellFiles,
+  motif,
+  openssl,
+  groff,
+  xorg,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "xephem";
+  version = "4.2.0";
+
+  src = fetchFromGitHub {
+    owner = "XEphem";
+    repo = "XEphem";
+    rev = version;
+    hash = "sha256-TuzXrWoJOAHg31DrJObPcHBXgtqR/KWKFRsqddPzL4c=";
+  };
+
+  nativeBuildInputs = [
+    copyDesktopItems
+    installShellFiles
+    groff # nroff
+  ];
+
+  buildInputs = [
+    motif
+    openssl
+    xorg.libXmu
+    xorg.libXext
+    xorg.libXt
+  ];
+
+  patches = [
+    # fix compile error with GCC 14
+    (fetchpatch {
+      url = "https://github.com/XEphem/XEphem/commit/30e14f685ede015fcd8985cd83ee6510f93f0073.patch";
+      hash = "sha256-wNoLjR6xEl56ZA6FLBS2xtySeDEYXTCA8j4Z5JIrF6k=";
+    })
+    ./add-cross-compilation-support.patch
+  ];
+
+  postPatch = ''
+    cd GUI/xephem
+    substituteInPlace xephem.c splash.c --replace-fail '/etc/XEphem' '${placeholder "out"}/etc/XEphem'
+  '';
+
+  doCheck = true;
+
+  checkFlags = "-C ../../tests";
+
+  checkTarget = "run-test";
+
+  makeFlags = [
+    "CC=${stdenv.cc.targetPrefix}cc"
+    "AR=${stdenv.cc.targetPrefix}ar"
+    "RANLIB=${stdenv.cc.targetPrefix}ranlib"
+  ];
+
+  installPhase = ''
+    runHook preInstall
+    installBin xephem
+    mkdir -p $out/share/xephem
+    cp -R auxil $out/share/xephem/
+    cp -R catalogs $out/share/xephem/
+    cp -R fifos $out/share/xephem/
+    cp -R fits $out/share/xephem/
+    cp -R gallery $out/share/xephem/
+    cp -R help $out/share/xephem/
+    cp -R lo $out/share/xephem/
+    mkdir $out/etc
+    echo "XEphem.ShareDir: $out/share/xephem" > $out/etc/XEphem
+    installManPage xephem.1
+    install -Dm644 XEphem.png -t $out/share/pixmaps
+    runHook postInstall
+  '';
+
+  desktopItems = [
+    (makeDesktopItem {
+      name = "xephem";
+      exec = "xephem";
+      icon = "XEphem";
+      desktopName = "XEphem";
+      categories = [
+        "Science"
+        "Astronomy"
+      ];
+    })
+  ];
+
+  meta = {
+    description = "Interactive astronomy program for all UNIX platforms";
+    longDescription = ''
+      Xephem is an interactive astronomical ephemeris program for X Windows systems. It computes
+      heliocentric, geocentric and topocentric information for fixed celestial objects and objects
+      in heliocentric and geocentric orbits; has built-in support for all planet positions; the
+      moons of Jupiter, Saturn and Earth; Mars' and Jupiter's central meridian longitude; Saturn's
+      rings; and Jupiter's Great Red Spot.
+    '';
+    mainProgram = "xephem";
+    homepage = "https://xephem.github.io/XEphem/Site/xephem.html";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ EstebanMacanek ];
+    platforms = lib.platforms.unix;
+  };
+}