From 6c7993d4d9f8722a869207f86a31f20fa9e8780d Mon Sep 17 00:00:00 2001
From: Viktor Szakats <commit@vsz.me>
Date: Mon, 10 Aug 2026 22:49:53 +0200
Subject: [PATCH] build: strip trailing spaces from `libcurl.pc`

Fixing:
```
$ pccritic libcurl.pc
[...]
  [info    ] file has trailing whitespace on one or more lines (style/PC062)
```

Closes #22536
---
 CMakeLists.txt | 4 ++++
 configure.ac   | 7 +++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ea82301d9d..a32b657ef8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2362,6 +2362,10 @@ if(NOT CURL_DISABLE_INSTALL)
   configure_file(
     "${PROJECT_SOURCE_DIR}/libcurl.pc.in"
     "${PROJECT_BINARY_DIR}/libcurl.pc" @ONLY)
+  # Strip trailing spaces
+  file(READ "${PROJECT_BINARY_DIR}/libcurl.pc" _libcurl_pc)
+  string(REGEX REPLACE " +\n" "\n" _libcurl_pc "${_libcurl_pc}")
+  file(WRITE "${PROJECT_BINARY_DIR}/libcurl.pc" "${_libcurl_pc}")
   install(FILES "${PROJECT_BINARY_DIR}/libcurl.pc"
     DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
 
diff --git a/configure.ac b/configure.ac
index d894dd48d0..bf40500b99 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5555,10 +5555,13 @@ AC_CONFIG_FILES([\
   tests/http/config.ini \
   tests/http/Makefile \
   projects/Makefile \
-  projects/vms/Makefile \
-  libcurl.pc
+  projects/vms/Makefile
 ])
 AC_CONFIG_FILES([curl-config], [chmod +x curl-config])
+AC_CONFIG_FILES([libcurl.pc], [
+  dnl strip trailing spaces
+  "$SED" 's/ *$//g' libcurl.pc > libcurl.pc.tmp && mv libcurl.pc.tmp libcurl.pc
+], [SED="$SED"])
 AC_OUTPUT
 
 SUPPORT_PROTOCOLS_LOWER=`echo "$SUPPORT_PROTOCOLS" | tr A-Z a-z`