diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c3dc32c8..b46b7a42 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -571,6 +571,24 @@ jobs:
           cd wd && git ls-files -z -- '**/*.c' '**/*.cc' '**/*.h' |
           xargs -0 -- clang-format-22 --dry-run --style=file --Werror --
 
+  cmake_analysis:
+    name: CMake analysis
+    runs-on: ubuntu-26.04
+    steps:
+      - run: uname -rms
+      - run: python3 --version
+      - run: python3 -m pip install --user cmakelang
+      - run: echo "cloning ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}"
+      - run: git clone --no-checkout -- ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} wd
+      - run: >
+          cd wd &&
+          git fetch -- origin ${{ github.event.pull_request.head.sha }} &&
+          git checkout FETCH_HEAD
+      - run: >
+          cd wd &&
+          git ls-files -z -- ':(glob)**/CMakeLists.txt' ':(glob)**/*.cmake' |
+          xargs -0 -- python3 -m cmakelang.lint
+
   python_analysis:
     name: Python analysis
     runs-on: ubuntu-26.04
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 446d29cd..c43c010e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -126,37 +126,53 @@ endif()
 # comment for OpenBSD maintainers grepping packages:
 #   Rumur uses pledge() on OpenBSD
 
+set(TEST_PATH "$ENV{PATH}")
 add_subdirectory(librumur)
+set(TEST_INC "${CMAKE_CURRENT_SOURCE_DIR}/librumur/include")
+set(TEST_INC "${TEST_INC}:${CMAKE_CURRENT_BINARY_DIR}/librumur")
 add_subdirectory(murphi-format)
+set(TEST_PATH "${CMAKE_CURRENT_BINARY_DIR}/murphi-format:${TEST_PATH}")
 add_subdirectory(murphi2c)
+set(TEST_PATH "${CMAKE_CURRENT_BINARY_DIR}/murphi2c:${TEST_PATH}")
 add_subdirectory(murphi2murphi)
+set(TEST_PATH "${CMAKE_CURRENT_BINARY_DIR}/murphi2murphi:${TEST_PATH}")
 add_subdirectory(murphi2smv)
+set(TEST_PATH "${CMAKE_CURRENT_BINARY_DIR}/murphi2smv:${TEST_PATH}")
 add_subdirectory(murphi2uclid)
+set(TEST_PATH "${CMAKE_CURRENT_BINARY_DIR}/murphi2uclid:${TEST_PATH}")
 add_subdirectory(murphi2xml)
+set(TEST_PATH "${CMAKE_CURRENT_BINARY_DIR}/murphi2xml:${TEST_PATH}")
 add_subdirectory(rumur)
+set(TEST_PATH "${CMAKE_CURRENT_BINARY_DIR}/rumur:${TEST_PATH}")
 add_subdirectory(share)
 add_subdirectory(tests/element-is-pure)
+set(TEST_PATH "${CMAKE_CURRENT_BINARY_DIR}/tests/element-is-pure:${TEST_PATH}")
 add_subdirectory(tests/murphi-comment-ls)
+set(
+  TEST_PATH "${CMAKE_CURRENT_BINARY_DIR}/tests/murphi-comment-ls:${TEST_PATH}"
+)
 add_subdirectory(tests/union-array-width)
+set(
+  TEST_PATH "${CMAKE_CURRENT_BINARY_DIR}/tests/union-array-width:${TEST_PATH}"
+)
 
 add_custom_target(check
   COMMAND env
-    PATH=${CMAKE_CURRENT_BINARY_DIR}/rumur:${CMAKE_CURRENT_BINARY_DIR}/murphi-format:${CMAKE_CURRENT_BINARY_DIR}/murphi2c:${CMAKE_CURRENT_BINARY_DIR}/murphi2murphi:${CMAKE_CURRENT_BINARY_DIR}/murphi2uclid:${CMAKE_CURRENT_BINARY_DIR}/murphi2xml:${CMAKE_CURRENT_BINARY_DIR}/tests/element-is-pure:${CMAKE_CURRENT_BINARY_DIR}/tests/murphi-comment-ls:${CMAKE_CURRENT_BINARY_DIR}/tests/union-array-width:$ENV{PATH}
-    CPLUS_INCLUDE_PATH=${CMAKE_CURRENT_SOURCE_DIR}/librumur/include:${CMAKE_CURRENT_BINARY_DIR}/librumur
-    LIBRARY_PATH=${CMAKE_CURRENT_BINARY_DIR}/librumur
-    LD_LIBRARY_PATH=${CMAKE_CURRENT_BINARY_DIR}/librumur
-    python3 -m pytest --capture=no --override-ini=cache_dir=${CMAKE_CURRENT_BINARY_DIR} --verbose --verbose ${CMAKE_CURRENT_SOURCE_DIR}/tests/tests.py
+    "PATH=${TEST_PATH}"
+    "CPLUS_INCLUDE_PATH=${TEST_INC}"
+    "LIBRARY_PATH=${CMAKE_CURRENT_BINARY_DIR}/librumur"
+    "LD_LIBRARY_PATH=${CMAKE_CURRENT_BINARY_DIR}/librumur"
+    python3 -m pytest --capture=no
+      --override-ini=cache_dir=${CMAKE_CURRENT_BINARY_DIR} --verbose --verbose
+      ${CMAKE_CURRENT_SOURCE_DIR}/tests/tests.py
+  COMMENT "Running test suite"
   USES_TERMINAL
 )
 add_dependencies(check
-  murphi-format murphi2c murphi2murphi murphi2uclid murphi2xml rumur
+  murphi-format murphi2c murphi2murphi murphi2smv murphi2uclid murphi2xml rumur
 )
 if(NOT CMAKE_CROSSCOMPILING)
+  add_dependencies(check element-is-pure)
   add_dependencies(check murphi-comment-ls)
   add_dependencies(check union-array-width)
 endif()
-
-add_custom_target(format
-  COMMAND git ls-files -z '**/*.c' '**/*.cc' '**/*.h' |
-    xargs -0 -- clang-format -i --style=file
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/librumur/CMakeLists.txt b/librumur/CMakeLists.txt
index a07d3041..2454be3c 100644
--- a/librumur/CMakeLists.txt
+++ b/librumur/CMakeLists.txt
@@ -45,17 +45,23 @@ include(CheckCXXCompilerFlag)
 set_source_files_properties(lexer.l.cc PROPERTIES COMPILE_FLAGS "")
 CHECK_CXX_COMPILER_FLAG(-Wsign-compare HAS_WARNING_SIGN_COMPARE)
 if(HAS_WARNING_SIGN_COMPARE)
-  set_source_files_properties(lexer.l.cc PROPERTIES COMPILE_FLAGS "${LEXER_COMPILE_FLAGS} -Wno-sign-compare")
+  set_source_files_properties(lexer.l.cc
+    PROPERTIES COMPILE_FLAGS "${LEXER_COMPILE_FLAGS} -Wno-sign-compare"
+  )
 endif()
 get_source_file_property(LEXER_COMPILE_FLAGS lexer.l.cc COMPILE_FLAGS)
 CHECK_CXX_COMPILER_FLAG(-Wregister HAS_WARNING_REGISTER)
 if(HAS_WARNING_REGISTER)
-  set_source_files_properties(lexer.l.cc PROPERTIES COMPILE_FLAGS "${LEXER_COMPILE_FLAGS} -Wno-register")
+  set_source_files_properties(lexer.l.cc
+    PROPERTIES COMPILE_FLAGS "${LEXER_COMPILE_FLAGS} -Wno-register"
+  )
 endif()
 get_source_file_property(LEXER_COMPILE_FLAGS lexer.l.cc COMPILE_FLAGS)
 CHECK_CXX_COMPILER_FLAG(-Wdeprecated-register HAS_WARNING_DEPRECATED_REGISTER)
 if(HAS_WARNING_DEPRECATED_REGISTER)
-  set_source_files_properties(lexer.l.cc PROPERTIES COMPILE_FLAGS "${LEXER_COMPILE_FLAGS} -Wno-deprecated-register")
+  set_source_files_properties(lexer.l.cc
+    PROPERTIES COMPILE_FLAGS "${LEXER_COMPILE_FLAGS} -Wno-deprecated-register"
+  )
 endif()
 
 add_custom_command(
@@ -63,12 +69,16 @@ add_custom_command(
   COMMAND src/make-version.py ${CMAKE_CURRENT_BINARY_DIR}/version.c
   MAIN_DEPENDENCY src/make-version.py
   DEPENDS always_run
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "Generating version.c"
+)
 
 # Dummy output to make sure we always re-evaluate the version step above.
 add_custom_command(
   OUTPUT always_run
-  COMMAND /usr/bin/env true)
+  COMMAND /usr/bin/env true
+  COMMENT "Triggering version.c regeneration"
+)
 
 add_library(librumur
   ${CMAKE_CURRENT_BINARY_DIR}/version.c
diff --git a/murphi-format/CMakeLists.txt b/murphi-format/CMakeLists.txt
index 850d1a9a..ea4da685 100644
--- a/murphi-format/CMakeLists.txt
+++ b/murphi-format/CMakeLists.txt
@@ -1,9 +1,12 @@
 add_custom_command(
   OUTPUT resources_manpage.c
-  COMMAND ../misc/xxd.py doc/murphi-format.1 ${CMAKE_CURRENT_BINARY_DIR}/resources_manpage.c
+  COMMAND ../misc/xxd.py doc/murphi-format.1
+    ${CMAKE_CURRENT_BINARY_DIR}/resources_manpage.c
   MAIN_DEPENDENCY doc/murphi-format.1
   DEPENDS ../misc/xxd.py
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "Generating resources_manpage.c"
+)
 
 add_executable(murphi-format
   ${CMAKE_CURRENT_BINARY_DIR}/resources_manpage.c
@@ -20,12 +23,17 @@ target_link_libraries(murphi-format PRIVATE librumur)
 
 add_custom_target(man-murphi-format
   ALL
-  DEPENDS murphi-format.1.gz)
+  DEPENDS murphi-format.1.gz
+  COMMENT "murphi-format man page"
+)
 add_custom_command(
   OUTPUT murphi-format.1.gz
-  COMMAND gzip -9 --no-name --to-stdout doc/murphi-format.1 >"${CMAKE_CURRENT_BINARY_DIR}/murphi-format.1.gz"
+  COMMAND gzip -9 --no-name --to-stdout doc/murphi-format.1
+    >"${CMAKE_CURRENT_BINARY_DIR}/murphi-format.1.gz"
   MAIN_DEPENDENCY doc/murphi-format.1
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "GZIP-compressing murphi-format.1"
+)
 
 install(TARGETS murphi-format
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
diff --git a/murphi2c/CMakeLists.txt b/murphi2c/CMakeLists.txt
index 50df01dc..7f56924b 100644
--- a/murphi2c/CMakeLists.txt
+++ b/murphi2c/CMakeLists.txt
@@ -1,22 +1,31 @@
 # Define resources.
 add_custom_command(
   OUTPUT resources_manpage.cc
-  COMMAND ../misc/xxd.py doc/murphi2c.1 ${CMAKE_CURRENT_BINARY_DIR}/resources_manpage.cc
+  COMMAND ../misc/xxd.py doc/murphi2c.1
+    ${CMAKE_CURRENT_BINARY_DIR}/resources_manpage.cc
   MAIN_DEPENDENCY doc/murphi2c.1
   DEPENDS ../misc/xxd.py
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "Generating resources_manpage.cc"
+)
 add_custom_command(
   OUTPUT resources_c_prefix.cc
-  COMMAND ../misc/xxd.py resources/c_prefix.c ${CMAKE_CURRENT_BINARY_DIR}/resources_c_prefix.cc
+  COMMAND ../misc/xxd.py resources/c_prefix.c
+    ${CMAKE_CURRENT_BINARY_DIR}/resources_c_prefix.cc
   MAIN_DEPENDENCY resources/c_prefix.c
   DEPENDS ../misc/xxd.py
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "Generating resources_c_prefix.cc"
+)
 add_custom_command(
   OUTPUT resources_h_prefix.cc
-  COMMAND ../misc/xxd.py resources/h_prefix.h ${CMAKE_CURRENT_BINARY_DIR}/resources_h_prefix.cc
+  COMMAND ../misc/xxd.py resources/h_prefix.h
+    ${CMAKE_CURRENT_BINARY_DIR}/resources_h_prefix.cc
   MAIN_DEPENDENCY resources/h_prefix.h
   DEPENDS ../misc/xxd.py
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "Generating resources_h_prefix.cc"
+)
 
 add_executable(murphi2c
   ${CMAKE_CURRENT_BINARY_DIR}/resources_c_prefix.cc
@@ -45,12 +54,17 @@ target_link_libraries(murphi2c
 # Compress manpage
 add_custom_target(man-murphi2c
   ALL
-  DEPENDS murphi2c.1.gz)
+  DEPENDS murphi2c.1.gz
+  COMMENT "murphi2c man page"
+)
 add_custom_command(
   OUTPUT murphi2c.1.gz
-  COMMAND gzip -9 --no-name --to-stdout doc/murphi2c.1 >"${CMAKE_CURRENT_BINARY_DIR}/murphi2c.1.gz"
+  COMMAND gzip -9 --no-name --to-stdout doc/murphi2c.1
+    >"${CMAKE_CURRENT_BINARY_DIR}/murphi2c.1.gz"
   MAIN_DEPENDENCY doc/murphi2c.1
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "GZIP-compressing murphi2c.1"
+)
 
 install(TARGETS murphi2c
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
diff --git a/murphi2murphi/CMakeLists.txt b/murphi2murphi/CMakeLists.txt
index d4fa1e70..4b522119 100644
--- a/murphi2murphi/CMakeLists.txt
+++ b/murphi2murphi/CMakeLists.txt
@@ -1,10 +1,13 @@
 # Define resources.
 add_custom_command(
   OUTPUT resources_manpage.cc
-  COMMAND ../misc/xxd.py doc/murphi2murphi.1 ${CMAKE_CURRENT_BINARY_DIR}/resources_manpage.cc
+  COMMAND ../misc/xxd.py doc/murphi2murphi.1
+    ${CMAKE_CURRENT_BINARY_DIR}/resources_manpage.cc
   MAIN_DEPENDENCY doc/murphi2murphi.1
   DEPENDS ../misc/xxd.py
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "Generating resources_manpage.cc"
+)
 
 add_executable(murphi2murphi
   ${CMAKE_CURRENT_BINARY_DIR}/resources_manpage.cc
@@ -32,12 +35,17 @@ target_link_libraries(murphi2murphi
 # Compress manpage
 add_custom_target(man-murphi2murphi
   ALL
-  DEPENDS murphi2murphi.1.gz)
+  DEPENDS murphi2murphi.1.gz
+  COMMENT "murphi2murphi man page"
+)
 add_custom_command(
   OUTPUT murphi2murphi.1.gz
-  COMMAND gzip -9 --no-name --to-stdout doc/murphi2murphi.1 >"${CMAKE_CURRENT_BINARY_DIR}/murphi2murphi.1.gz"
+  COMMAND gzip -9 --no-name --to-stdout doc/murphi2murphi.1
+    >"${CMAKE_CURRENT_BINARY_DIR}/murphi2murphi.1.gz"
   MAIN_DEPENDENCY doc/murphi2murphi.1
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "GZIP-compressing murphi2murphi.1"
+)
 
 install(TARGETS murphi2murphi
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
diff --git a/murphi2smv/CMakeLists.txt b/murphi2smv/CMakeLists.txt
index 2174917f..27180995 100644
--- a/murphi2smv/CMakeLists.txt
+++ b/murphi2smv/CMakeLists.txt
@@ -4,6 +4,7 @@ add_custom_command(
   MAIN_DEPENDENCY doc/murphi2smv.1
   DEPENDS ../misc/xxd.py
   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "Generating manpage.cc"
 )
 
 add_executable(murphi2smv
@@ -21,12 +22,18 @@ target_include_directories(murphi2smv PRIVATE
 
 target_link_libraries(murphi2smv PRIVATE librumur)
 
-add_custom_target(man-murphi2smv ALL DEPENDS murphi2smv.1.gz)
+add_custom_target(man-murphi2smv
+  ALL
+  DEPENDS murphi2smv.1.gz
+  COMMENT "murphi2smv man page"
+)
 add_custom_command(
   OUTPUT murphi2smv.1.gz
-  COMMAND gzip -9 --no-name --to-stdout doc/murphi2smv.1 >"${CMAKE_CURRENT_BINARY_DIR}/murphi2smv.1.gz"
+  COMMAND gzip -9 --no-name --to-stdout doc/murphi2smv.1
+    >"${CMAKE_CURRENT_BINARY_DIR}/murphi2smv.1.gz"
   MAIN_DEPENDENCY doc/murphi2smv.1
   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "GZIP-compressing murphi2smv.1"
 )
 
 install(TARGETS murphi2smv
diff --git a/murphi2uclid/CMakeLists.txt b/murphi2uclid/CMakeLists.txt
index 3567e8dc..abce9c2b 100644
--- a/murphi2uclid/CMakeLists.txt
+++ b/murphi2uclid/CMakeLists.txt
@@ -1,9 +1,12 @@
 add_custom_command(
   OUTPUT manpage.cc
-  COMMAND ../misc/xxd.py doc/murphi2uclid.1 ${CMAKE_CURRENT_BINARY_DIR}/manpage.cc
+  COMMAND ../misc/xxd.py doc/murphi2uclid.1
+    ${CMAKE_CURRENT_BINARY_DIR}/manpage.cc
   MAIN_DEPENDENCY doc/murphi2uclid.1
   DEPENDS ../misc/xxd.py
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "Generating manpage.cc"
+)
 
 add_executable(murphi2uclid
   ${CMAKE_CURRENT_BINARY_DIR}/manpage.cc
@@ -24,12 +27,17 @@ target_link_libraries(murphi2uclid
 
 add_custom_target(man-murphi2uclid
   ALL
-  DEPENDS murphi2uclid.1.gz)
+  DEPENDS murphi2uclid.1.gz
+  COMMENT "murphi2uclid man page"
+)
 add_custom_command(
   OUTPUT murphi2uclid.1.gz
-  COMMAND gzip -9 --no-name --to-stdout doc/murphi2uclid.1 >"${CMAKE_CURRENT_BINARY_DIR}/murphi2uclid.1.gz"
+  COMMAND gzip -9 --no-name --to-stdout doc/murphi2uclid.1
+    >"${CMAKE_CURRENT_BINARY_DIR}/murphi2uclid.1.gz"
   MAIN_DEPENDENCY doc/murphi2uclid.1
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "GZIP-compressing murphi2uclid.1"
+)
 
 install(TARGETS murphi2uclid
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
diff --git a/murphi2xml/CMakeLists.txt b/murphi2xml/CMakeLists.txt
index 4dd65c08..fb0d73af 100644
--- a/murphi2xml/CMakeLists.txt
+++ b/murphi2xml/CMakeLists.txt
@@ -3,7 +3,9 @@ add_custom_command(
   COMMAND ../misc/xxd.py doc/murphi2xml.1 ${CMAKE_CURRENT_BINARY_DIR}/manpage.cc
   MAIN_DEPENDENCY doc/murphi2xml.1
   DEPENDS ../misc/xxd.py
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "Generating manpage.cc"
+)
 
 add_executable(murphi2xml
   ${CMAKE_CURRENT_BINARY_DIR}/manpage.cc
@@ -23,12 +25,17 @@ target_link_libraries(murphi2xml
 # Compress manpages
 add_custom_target(man-murphi2xml
   ALL
-  DEPENDS murphi2xml.1.gz)
+  DEPENDS murphi2xml.1.gz
+  COMMENT "murphi2xml man page"
+)
 add_custom_command(
   OUTPUT murphi2xml.1.gz
-  COMMAND gzip -9 --no-name --to-stdout doc/murphi2xml.1 >"${CMAKE_CURRENT_BINARY_DIR}/murphi2xml.1.gz"
+  COMMAND gzip -9 --no-name --to-stdout doc/murphi2xml.1
+    >"${CMAKE_CURRENT_BINARY_DIR}/murphi2xml.1.gz"
   MAIN_DEPENDENCY doc/murphi2xml.1
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "GZIP-compressing murphi2xml.1"
+)
 
 install(TARGETS murphi2xml
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
diff --git a/rumur/CMakeLists.txt b/rumur/CMakeLists.txt
index 4b859c5b..2dcb65a3 100644
--- a/rumur/CMakeLists.txt
+++ b/rumur/CMakeLists.txt
@@ -1,22 +1,31 @@
 # Define resources.
 add_custom_command(
   OUTPUT resources_manpage.cc
-  COMMAND ../misc/xxd.py doc/rumur.1 ${CMAKE_CURRENT_BINARY_DIR}/resources_manpage.cc
+  COMMAND ../misc/xxd.py doc/rumur.1
+    ${CMAKE_CURRENT_BINARY_DIR}/resources_manpage.cc
   MAIN_DEPENDENCY doc/rumur.1
   DEPENDS ../misc/xxd.py
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "Generating resources_manpage.cc"
+)
 add_custom_command(
   OUTPUT resources_includes.cc
-  COMMAND ../misc/xxd.py resources/includes.c ${CMAKE_CURRENT_BINARY_DIR}/resources_includes.cc
+  COMMAND ../misc/xxd.py resources/includes.c
+    ${CMAKE_CURRENT_BINARY_DIR}/resources_includes.cc
   MAIN_DEPENDENCY resources/includes.c
   DEPENDS ../misc/xxd.py
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "Generating resources_includes.cc"
+)
 add_custom_command(
   OUTPUT resources_header.cc
-  COMMAND ../misc/xxd.py resources/header.c ${CMAKE_CURRENT_BINARY_DIR}/resources_header.cc
+  COMMAND ../misc/xxd.py resources/header.c
+    ${CMAKE_CURRENT_BINARY_DIR}/resources_header.cc
   MAIN_DEPENDENCY resources/header.c
   DEPENDS ../misc/xxd.py
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "Generating resources_header.cc"
+)
 
 add_executable(rumur
   ${CMAKE_CURRENT_BINARY_DIR}/resources_includes.cc
@@ -71,17 +80,25 @@ target_link_libraries(rumur
 # Compress manpages
 add_custom_target(man-rumur
   ALL
-  DEPENDS rumur.1.gz rumur-run.1.gz)
+  DEPENDS rumur.1.gz rumur-run.1.gz
+  COMMENT "rumur man pages"
+)
 add_custom_command(
   OUTPUT rumur.1.gz
-  COMMAND gzip -9 --no-name --to-stdout doc/rumur.1 >"${CMAKE_CURRENT_BINARY_DIR}/rumur.1.gz"
+  COMMAND gzip -9 --no-name --to-stdout doc/rumur.1
+    >"${CMAKE_CURRENT_BINARY_DIR}/rumur.1.gz"
   MAIN_DEPENDENCY doc/rumur.1
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "GZIP-compressing rumur.1"
+)
 add_custom_command(
   OUTPUT rumur-run.1.gz
-  COMMAND gzip -9 --no-name --to-stdout doc/rumur-run.1 >"${CMAKE_CURRENT_BINARY_DIR}/rumur-run.1.gz"
+  COMMAND gzip -9 --no-name --to-stdout doc/rumur-run.1
+    >"${CMAKE_CURRENT_BINARY_DIR}/rumur-run.1.gz"
   MAIN_DEPENDENCY doc/rumur-run.1
-  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  COMMENT "GZIP-compressing rumur-run.1"
+)
 
 install(TARGETS rumur
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})