Export of internal Abseil changes.

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fcf9d3facb12451964ad1850073cbfb6f9739379 by CJ Johnson <johnsoncj@google.com>:

Makes it obvious to readers that the comparison operators do not branch more than needed

PiperOrigin-RevId: 240811527

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680c586f81f805be68e96caffb28d5f46b6a6511 by Jon Cohen <cohenjon@google.com>:

Consistently use "if(" instead of "if (" in CMake files

PiperOrigin-RevId: 240621819

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c4acc506648622389f33f564fd94f8dda08cb61a by Tom Manshreck <shreck@google.com>:

Internal change

PiperOrigin-RevId: 240619556

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ddbc1894944aae96767c876a1ae8696ddaba42a2 by Jon Cohen <cohenjon@google.com>:

Remove the warning about install prefixes when we aren't installing abseil

PiperOrigin-RevId: 240614750

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086c4fad213d99e875038bc8a1c7268e28a7ebf3 by Abseil Team <absl-team@google.com>:

Adjust some tests and test cases which fail on WebAssembly

PiperOrigin-RevId: 240592367

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46c2c09723a37ef4911ae3c64aab92e3f0fdba79 by Abseil Team <absl-team@google.com>:

CMake install target update
- Add prefix absl_ to each target when install rule are disabled.
- Disable all install commands when absl is used as subdirectory (Fix #287)

PiperOrigin-RevId: 240575083

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8d88063ed5b16f982a91950693d37ca18fdd46d8 by Jon Cohen <cohenjon@google.com>:

Correctly link to Threads::Threads for a few cmake targets which were missing it.

PiperOrigin-RevId: 240574513
GitOrigin-RevId: fcf9d3facb12451964ad1850073cbfb6f9739379
Change-Id: I031c57de8cd88554348eb8bd1371d01d15ff1fc7

1 files changed, 14 insertions, 14 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ad55fa47c3df..dff46f910da8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -86,18 +86,6 @@ if(${ABSL_RUN_TESTS})
   enable_testing()
 endif()
 
-# absl:lts-remove-begin(system installation is supported for LTS releases)
-# We don't support system-wide installation
-list(APPEND SYSTEM_INSTALL_DIRS "/usr/local" "/usr" "/opt/" "/opt/local" "c:/Program Files/${PROJECT_NAME}")
-if(NOT DEFINED CMAKE_INSTALL_PREFIX OR CMAKE_INSTALL_PREFIX IN_LIST SYSTEM_INSTALL_DIRS)
-  message(WARNING "\
-The default and system-level install directories are unsupported except in LTS \
-releases of Abseil.  Please set CMAKE_INSTALL_PREFIX to install Abseil in your \
-source or build tree directly.\
-  ")
-endif()
-# absl:lts-remove-end
-
 ## check targets
 if(BUILD_TESTING)
 
@@ -121,7 +109,19 @@ endif()
 
 add_subdirectory(absl)
 
-if (ABSL_ENABLE_INSTALL)
+if(ABSL_ENABLE_INSTALL)
+  # absl:lts-remove-begin(system installation is supported for LTS releases)
+  # We don't support system-wide installation
+  list(APPEND SYSTEM_INSTALL_DIRS "/usr/local" "/usr" "/opt/" "/opt/local" "c:/Program Files/${PROJECT_NAME}")
+  if(NOT DEFINED CMAKE_INSTALL_PREFIX OR CMAKE_INSTALL_PREFIX IN_LIST SYSTEM_INSTALL_DIRS)
+    message(WARNING "\
+  The default and system-level install directories are unsupported except in LTS \
+  releases of Abseil.  Please set CMAKE_INSTALL_PREFIX to install Abseil in your \
+  source or build tree directly.\
+    ")
+  endif()
+  # absl:lts-remove-end
+
   # install as a subdirectory only
   install(EXPORT ${PROJECT_NAME}Targets
     NAMESPACE absl::
@@ -140,7 +140,7 @@ if (ABSL_ENABLE_INSTALL)
   # Abseil only has a version in LTS releases.  This mechanism is accomplished
   # Abseil's internal Copybara (https://github.com/google/copybara) workflows and
   # isn't visible in the CMake buildsystem itself.
-  if (absl_VERSION)
+  if(absl_VERSION)
     write_basic_package_version_file(
       "${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
       COMPATIBILITY ExactVersion